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--HG-- branch : pmacs2
2009-02-22 21:51:31 -05:00
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Adding the rxvt-unicode mailing list back in. I'm guessing your thread
had a different title, sorry about the chopped thread, rxvt guys.
David Chanters wrote:
> However, and this is the crucial part (for those of you playing along
> at home :P), if we set the background color of the hardstatus, as in:
>
> hardstatus alwayslastline '%{= Gb}%-w %{+B}%n %t %+w'
>
> Then the blinking stops entirely under urxvt.
>
> Repeating the exact same tests above running under XTerm instead,
> yields correct behaviour; the title and number of all windows flashes.
>
> Now, i said to you i asked about this on the rxvt-unicode mailing
> list. the reply i got from the author was quite useful. a relevant
> part of that conversation is here (my initial question is prefixed
> with ">"):
>
> > So my question is: how does rxvt-unicode and XTerm compare in terms
> > of how they're told to implement blinking text, and is there anything
> > i can do to make them the same in order to fix my problem?
>
> They implement blinking text effectively identically (i.e. same command
> sequence etc. but different blinking frequency and of course it is
> implemented differently, but from a suer standpoint they work identically).
>
> Your problem is gnu screen not outputting the sequence, and that's likely
> a configuration issue.
That's incorrect. GNU Screen does in fact output the correct sequence.
You can test the issue directly by trying the following commands:
$ tput blink; echo foo; tput sgr0
which blinks, and
$ tput setab 4; tput blink; echo foo; tput sgr0
which has a blue background, and doesn't blink.
I also checked using the direct escape sequences from ECMA-48, and still
get the same results:
$ printf '\033[44m\033[5mfoo\033[m\n'
$ printf '\033[44m\033[6mfoo\033[m\n'
(those use the two different possible blinking frequencies.)
I noticed that my terminfo has the following definitions for rxvt-unicode:
setab=\E[48;5;%p1%dm
A parameter value of "48" means to set the background color according to
CCITT Recommendation T.416 (aka ISO 8613-6). A "5" as a parameter of SGR
(denoted by the final "m") normally means blinking text, but when it
follows a 48, it means to use a certain indexed color for the background
(given by the parameter that follows).
My first guess was that perhaps rxvt-unicode confuses the "5" that would
activate blinking text:
Esc [ 5 m
^
with the 5 that activates indexed color mode:
Esc [ 48 ; 5 ; 4 m
^
(spaces added for clarity)
But that guess is probably incorrect, as \E[7m doesn't induce blinking
either when a background color is set, and 7 has no meaning in T.416
that I'm aware of.
So, I don't have answers to why this is the case, but it seems quite
clear to me that the problem lies with rxvt-unicode, and not with screen
(screen isn't even involved in any of the above tests).
> There's obviously something gone awry in screen since xterm is the
> only terminal emulator to properly handle the blinking escape
> sequences screen sends it. Running the same tests above under
> XFCE4-termina, gnome-terminal, rox-terminal, eterm, all yield the same
> result as urxvt does --- change the color of the hardstatus away from
> reverse video and no more blinking text.
gnome-terminal (at least, for me) never respects blinking at all.
xfce4-terminal uses the same terminal emulation code that gnome-terminal
does, so its lack of support doesn't surprise me.
Eterm and rox-terminal I'm not very familiar with, but I suspect that
there is an explicit decision not to support blinking in some terminals,
as it is considered by many to be evil.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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From: davidcollins001@gmail.com
To: "Samir Unni" <srunni@gmail.com>
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I use screen -x to attach to an attached session, have you tried this?
On 02/07/2008, Samir Unni <srunni@gmail.com> wrote:
> Hi,
>
> I was using screen, and my session was disconnected while outputting a lot
> of text (presumably due to a router choking---the upwidth for the remote box
> is pretty low, only about 13 kB/s). When the line was back up, I attempted
> to resume my screen session, but it was already attached (presumably because
> the connection was dropped unexpectedly). However, none of the commands I
> try, including screen -r [pid], screen -d [pid], screen -R [pid], screen -D
> [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen -Rd
> [pid] will reattach this session. I tried running an strace on the pid, and
> it says that it's still outputting text. After waiting a while, I somehow
> managed to get the sesion to reattach---I'm not sure how. The problem
> occured again shortly afterwards, and I can't figure out how to actually fix
> it. Any ideas?
>
> Thanks,
>
> Samir Unni
>
_______________________________________________
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No, I haven't. I'll try it the next time I encounter this problem. Turns out
that when I let it sit for about 10 minutes, the session finally appears.
On Wed, Jul 2, 2008 at 3:21 PM, <davidcollins001@gmail.com> wrote:
> I use screen -x to attach to an attached session, have you tried this?
>
> On 02/07/2008, Samir Unni <srunni@gmail.com> wrote:
> > Hi,
> >
> > I was using screen, and my session was disconnected while outputting a
> lot
> > of text (presumably due to a router choking---the upwidth for the remote
> box
> > is pretty low, only about 13 kB/s). When the line was back up, I
> attempted
> > to resume my screen session, but it was already attached (presumably
> because
> > the connection was dropped unexpectedly). However, none of the commands I
> > try, including screen -r [pid], screen -d [pid], screen -R [pid], screen
> -D
> > [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen
> -Rd
> > [pid] will reattach this session. I tried running an strace on the pid,
> and
> > it says that it's still outputting text. After waiting a while, I somehow
> > managed to get the sesion to reattach---I'm not sure how. The problem
> > occured again shortly afterwards, and I can't figure out how to actually
> fix
> > it. Any ideas?
> >
> > Thanks,
> >
> > Samir Unni
> >
>
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No, I haven&#39;t. I&#39;ll try it the next time I encounter this problem. Turns out that when I let it sit for about 10 minutes, the session finally appears.<br><br><div class="gmail_quote">On Wed, Jul 2, 2008 at 3:21 PM, &lt;<a href="mailto:davidcollins001@gmail.com">davidcollins001@gmail.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I use screen -x to attach to an attached session, have you tried this?<br>
<div><div></div><div class="Wj3C7c"><br>
On 02/07/2008, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br>
&gt; Hi,<br>
&gt;<br>
&gt; I was using screen, and my session was disconnected while outputting a lot<br>
&gt; of text (presumably due to a router choking---the upwidth for the remote box<br>
&gt; is pretty low, only about 13 kB/s). When the line was back up, I attempted<br>
&gt; to resume my screen session, but it was already attached (presumably because<br>
&gt; the connection was dropped unexpectedly). However, none of the commands I<br>
&gt; try, including screen -r [pid], screen -d [pid], screen -R [pid], screen -D<br>
&gt; [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen -Rd<br>
&gt; [pid] will reattach this session. I tried running an strace on the pid, and<br>
&gt; it says that it&#39;s still outputting text. After waiting a while, I somehow<br>
&gt; managed to get the sesion to reattach---I&#39;m not sure how. The problem<br>
&gt; occured again shortly afterwards, and I can&#39;t figure out how to actually fix<br>
&gt; it. Any ideas?<br>
&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Samir Unni<br>
&gt;<br>
</div></div></blockquote></div><br>
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From: Vladimir Marek <Vladimir.Marek@Sun.COM>
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Subject: Re: Unable to resume screen session following
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> No, I haven't. I'll try it the next time I encounter this problem. Turns =
out
> that when I let it sit for about 10 minutes, the session finally appears.
This also happened to me several times, unfortunately I never was ready
with debugger.
--=20
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just kill the last ssh session that was used to attach your screen session
then try again.
2008/7/3 Vladimir Marek <Vladimir.Marek@sun.com>:
> > No, I haven't. I'll try it the next time I encounter this problem. Turns
> out
> > that when I let it sit for about 10 minutes, the session finally appears.
>
> This also happened to me several times, unfortunately I never was ready
> with debugger.
>
> --
> Vlad
>
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just kill the last ssh session that was used to attach your screen session then try again.<br><br><div class="gmail_quote">2008/7/3 Vladimir Marek &lt;<a href="mailto:Vladimir.Marek@sun.com">Vladimir.Marek@sun.com</a>&gt;:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="Ih2E3d">&gt; No, I haven&#39;t. I&#39;ll try it the next time I encounter this problem. Turns out<br>
&gt; that when I let it sit for about 10 minutes, the session finally appears.<br>
<br>
</div>This also happened to me several times, unfortunately I never was ready<br>
with debugger.<br>
<font color="#888888"><br>
--<br>
&nbsp; &nbsp; &nbsp; &nbsp;Vlad<br>
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> just kill the last ssh session that was used to attach your screen session
> then try again.
I think that the screen was local, but I might be wrong. I'll remember
it though.
Thank you for the tip
--=20
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I just ran into the same issue, and 'screen -x [session name]' worked
perfectly. Thanks for the tip!
On Wed, Jul 2, 2008 at 3:22 PM, Samir Unni <srunni@gmail.com> wrote:
> No, I haven't. I'll try it the next time I encounter this problem. Turns
> out that when I let it sit for about 10 minutes, the session finally
> appears.
>
>
> On Wed, Jul 2, 2008 at 3:21 PM, <davidcollins001@gmail.com> wrote:
>
>> I use screen -x to attach to an attached session, have you tried this?
>>
>> On 02/07/2008, Samir Unni <srunni@gmail.com> wrote:
>> > Hi,
>> >
>> > I was using screen, and my session was disconnected while outputting a
>> lot
>> > of text (presumably due to a router choking---the upwidth for the remote
>> box
>> > is pretty low, only about 13 kB/s). When the line was back up, I
>> attempted
>> > to resume my screen session, but it was already attached (presumably
>> because
>> > the connection was dropped unexpectedly). However, none of the commands
>> I
>> > try, including screen -r [pid], screen -d [pid], screen -R [pid], screen
>> -D
>> > [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen
>> -Rd
>> > [pid] will reattach this session. I tried running an strace on the pid,
>> and
>> > it says that it's still outputting text. After waiting a while, I
>> somehow
>> > managed to get the sesion to reattach---I'm not sure how. The problem
>> > occured again shortly afterwards, and I can't figure out how to actually
>> fix
>> > it. Any ideas?
>> >
>> > Thanks,
>> >
>> > Samir Unni
>> >
>>
>
>
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I just ran into the same issue, and &#39;screen -x [session name]&#39; worked perfectly. Thanks for the tip!<br><br><div class="gmail_quote">On Wed, Jul 2, 2008 at 3:22 PM, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">No, I haven&#39;t. I&#39;ll try it the next time I encounter this problem. Turns out that when I let it sit for about 10 minutes, the session finally appears.<div>
<div></div><div class="Wj3C7c"><br><br><div class="gmail_quote">On Wed, Jul 2, 2008 at 3:21 PM, &lt;<a href="mailto:davidcollins001@gmail.com" target="_blank">davidcollins001@gmail.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I use screen -x to attach to an attached session, have you tried this?<br>
<div><div></div><div><br>
On 02/07/2008, Samir Unni &lt;<a href="mailto:srunni@gmail.com" target="_blank">srunni@gmail.com</a>&gt; wrote:<br>
&gt; Hi,<br>
&gt;<br>
&gt; I was using screen, and my session was disconnected while outputting a lot<br>
&gt; of text (presumably due to a router choking---the upwidth for the remote box<br>
&gt; is pretty low, only about 13 kB/s). When the line was back up, I attempted<br>
&gt; to resume my screen session, but it was already attached (presumably because<br>
&gt; the connection was dropped unexpectedly). However, none of the commands I<br>
&gt; try, including screen -r [pid], screen -d [pid], screen -R [pid], screen -D<br>
&gt; [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen -Rd<br>
&gt; [pid] will reattach this session. I tried running an strace on the pid, and<br>
&gt; it says that it&#39;s still outputting text. After waiting a while, I somehow<br>
&gt; managed to get the sesion to reattach---I&#39;m not sure how. The problem<br>
&gt; occured again shortly afterwards, and I can&#39;t figure out how to actually fix<br>
&gt; it. Any ideas?<br>
&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Samir Unni<br>
&gt;<br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br>
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Actually, when it happened to me a second time a little while later, 'screen
-x [session name]' would not work. I just had to wait for something (don't
know exactly what) to time out.
On Thu, Jul 3, 2008 at 11:04 AM, Samir Unni <srunni@gmail.com> wrote:
> I just ran into the same issue, and 'screen -x [session name]' worked
> perfectly. Thanks for the tip!
>
>
> On Wed, Jul 2, 2008 at 3:22 PM, Samir Unni <srunni@gmail.com> wrote:
>
>> No, I haven't. I'll try it the next time I encounter this problem. Turns
>> out that when I let it sit for about 10 minutes, the session finally
>> appears.
>>
>>
>> On Wed, Jul 2, 2008 at 3:21 PM, <davidcollins001@gmail.com> wrote:
>>
>>> I use screen -x to attach to an attached session, have you tried this?
>>>
>>> On 02/07/2008, Samir Unni <srunni@gmail.com> wrote:
>>> > Hi,
>>> >
>>> > I was using screen, and my session was disconnected while outputting a
>>> lot
>>> > of text (presumably due to a router choking---the upwidth for the
>>> remote box
>>> > is pretty low, only about 13 kB/s). When the line was back up, I
>>> attempted
>>> > to resume my screen session, but it was already attached (presumably
>>> because
>>> > the connection was dropped unexpectedly). However, none of the commands
>>> I
>>> > try, including screen -r [pid], screen -d [pid], screen -R [pid],
>>> screen -D
>>> > [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen
>>> -Rd
>>> > [pid] will reattach this session. I tried running an strace on the pid,
>>> and
>>> > it says that it's still outputting text. After waiting a while, I
>>> somehow
>>> > managed to get the sesion to reattach---I'm not sure how. The problem
>>> > occured again shortly afterwards, and I can't figure out how to
>>> actually fix
>>> > it. Any ideas?
>>> >
>>> > Thanks,
>>> >
>>> > Samir Unni
>>> >
>>>
>>
>>
>
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Actually, when it happened to me a second time a little while later, &#39;screen -x [session name]&#39; would not work. I just had to wait for something (don&#39;t know exactly what) to time out.<br><br><div class="gmail_quote">
On Thu, Jul 3, 2008 at 11:04 AM, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I just ran into the same issue, and &#39;screen -x [session name]&#39; worked perfectly. Thanks for the tip!<div><div></div><div class="Wj3C7c"><br><br><div class="gmail_quote">On Wed, Jul 2, 2008 at 3:22 PM, Samir Unni &lt;<a href="mailto:srunni@gmail.com" target="_blank">srunni@gmail.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">No, I haven&#39;t. I&#39;ll try it the next time I encounter this problem. Turns out that when I let it sit for about 10 minutes, the session finally appears.<div>
<div></div><div><br><br><div class="gmail_quote">On Wed, Jul 2, 2008 at 3:21 PM, &lt;<a href="mailto:davidcollins001@gmail.com" target="_blank">davidcollins001@gmail.com</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I use screen -x to attach to an attached session, have you tried this?<br>
<div><div></div><div><br>
On 02/07/2008, Samir Unni &lt;<a href="mailto:srunni@gmail.com" target="_blank">srunni@gmail.com</a>&gt; wrote:<br>
&gt; Hi,<br>
&gt;<br>
&gt; I was using screen, and my session was disconnected while outputting a lot<br>
&gt; of text (presumably due to a router choking---the upwidth for the remote box<br>
&gt; is pretty low, only about 13 kB/s). When the line was back up, I attempted<br>
&gt; to resume my screen session, but it was already attached (presumably because<br>
&gt; the connection was dropped unexpectedly). However, none of the commands I<br>
&gt; try, including screen -r [pid], screen -d [pid], screen -R [pid], screen -D<br>
&gt; [pid], screen -rD [pid], screen -RD [pid], screen -rd [pid], and screen -Rd<br>
&gt; [pid] will reattach this session. I tried running an strace on the pid, and<br>
&gt; it says that it&#39;s still outputting text. After waiting a while, I somehow<br>
&gt; managed to get the sesion to reattach---I&#39;m not sure how. The problem<br>
&gt; occured again shortly afterwards, and I can&#39;t figure out how to actually fix<br>
&gt; it. Any ideas?<br>
&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Samir Unni<br>
&gt;<br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br>
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> Actually, when it happened to me a second time a little while later, 'scr=
een
> -x [session name]' would not work. I just had to wait for something (don't
> know exactly what) to time out.
Exactly, I found out that screen -x helped few times, bug was hung other
times.
--=20
Vlad
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From: "David Chanters" <david.chanters@googlemail.com>
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Subject: Hardstatus format question
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Hi all,
This should be simple, hopefully. :)
I'm wanting to produce a hardstatus line which looks like this:
| 1 | 2 | 3 | *4 |
Where "*4" in this instance refers to the window with focus. But I
can't work out how to do it. I note from the documentation that "w"
refers to both the window number *and* title, but in the hardstatus i
just want the number --- i have a separate caption string to display
other information.
Thanks in advance.
David
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Subject: Hardstatus issue with current screen, gnome-terminal
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There's a bug I've been looking into, where the hardstatus line at the
bottom of the screen isn't updating properly when using the "autoaka"
("SEARCH|NAME") feature of the shelltitle command (and appropriate
escapes in the shell prompt). This only occurs for gnome-terminal and
xfce4-terminal (both based on the VTE widgit), and only with the current
repo sources, not in existing releases.
The bug is tracked at https://savannah.gnu.org/bugs/index.php?23699
There are a couple of scripts there that can be used to produce the problem.
After spending some significant time analyzing what's going on, it looks
like some combination of the use of CSR ("change scroll region") to set
up the hardstatus line, and then interspersing scrolls of the upper N-1
lines with updates of the final hardstatus line, causes the problem.
Screen is clearly not doing anything wrong, so the bug is VTE's.
However, the fact remains that previous versions of Screen would work,
whereas the current one doesn't. It turns out that the difference is,
release versions of Screen have always sent an "Erase Line" sequence
before re-drawing the status line, whereas the current source no longer
does that. This was probably to minimize any "flashing" that might be
seen as the status line is redrawn.
However, despite the fact that this is not our bug, it's still kind of
our problem, in that if we don't work around it, we'll have to direct
anyone who bumps into it how to deal with it (it can be worked around by
disabling scroll regions, forcing screen to use other means to handle
scrolls: "terminfo xterm* cs@"). So, I'm inclined to put the
line-erasure back in, to address this problem.
Any comments, thoughts?
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Setting window title in ssh'ed host
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Hi,
This is more like a story, I am trying to automatically set
"GNU screen window title" equal to the hostname that is connected by ssh.
I am using the following for hardstatus, which presents a list of all open windows
hardstatus lastline "%-Lw%{= BW}%50>%n%f* %t%{-}%+Lw%<"
Also my .screenrc connects to some machines,
screen -t hostname
stuff "ssh hostname\015
....
Sometimes I logout of the connected machine and connect to another. I don't
want to set title each time I do this. If there is no screen in the way, the
following bash variable shows the hostname in xterm title.
PROMPT_COMMAND='echo -ne "\033]0;${HOSTNAME}\007"'
If I use this, and change %t->%h in hardstatus string, the hostname shows in
the "currently selected window only", but not the others. As there is no
equivalent of "-w" "+w" for xterm title(which is an actual "hard" status), this
path was blocked.
Setting the following in all machines achieves what I want,
it sets screen title to hostname,
PROMPT_COMMAND='echo -n -e "\033k${HOSTNAME}\033\\"'
but when I connect to the machine out of screen, It prints the hostname
literally, so the prompt becomes like "hostname user@hostname $ " , which is
ugly and redundant.
To ensure that only ssh sessions within a GNU screen get the "title setter
prompt command", environment variables are useful, I can use the TERM variable,
but in stable debian, the default TERM=screen breaks vim editor, it goes crazy
when you press home, or pageup buttons. Using TERM=xterm fixes this, so I
cannot check for TERM being equal to "screen".
I put "setenv INSCREEN yes" into .screenrc, and in the target shell, I set
PROMPT_COMMAND if this variable is set, but then,(surprise, surprise!) ssh
would not pass variables to target machine. At least, does not pass unless you
use AcceptEnv in ssh server config, but I don't want to use it for security
reasons. Ok, maybe not because of security, but changing "ssh server
configuration" for only setting screen's window title seems absurd.
A solution that I imagined was to extend the "stuff" line; it does the ssh
connection, then puts the PROMPT_COMMAND to set GNU screen window title.
escaping this correctly was a chore, but I managed after some experimentation.
stuff "ssh hostname\015export PROMPT_COMMAND='echo -n -e "\\033k\${HOSTNAME}\\033\\\\\"'\015"
But of course, the connections made after these do not set the title. If only
there was a way to set GNU screen window title to the "hard status" set by the
escape sequences in PROMPT_COMMAND of bash ...
[[ rant: Why, why, why this great software gets the most generic name of "screen" ?
What's next, "computer", which is a shell that works by reading your mind,
and "earth" which gives the answer to life, the universe, and everything; and does
not only say '42' ? So that you search the web for them and find nothing :-/
Please use "GNU screen" all the time, to be search engine friendly,
like I did in this message :-S
/rant ]]
--
Gokdeniz Karadag
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Subject: Re: Setting window title in ssh'ed host
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On Sat, Jul 12, 2008 at 03:10:00AM +0300, Gokdeniz Karadag wrote:
> This is more like a story, I am trying to automatically set "GNU
> screen window title" equal to the hostname that is connected by ssh.
In my .profile, which exists on all my machines and is evaluated for
all interactive logins (i.e. "ssh fooserv", but not "ssh fooserv
pwd"), I have
type uname >/dev/null 2>&1 &&
test -n "${HOSTNAME:=`uname -n`}" &&
case "$TERM" in
screen*) printf %bk%s%b%b \\033 "${HOSTNAME%%.*}" \\033 \\0134;;
esac
Note that the "type" builtin isn't portable, if you use .bash_profile
you can instead just use
case "$TERM" in
screen*) printf %bk%s%b%b \\033 "${HOSTNAME%%.*}" \\033 \\0134;;
esac
I use this in preference to doing it inside screen because I couldn't
work out how to have an "alias" or "function" in screen such that
C-a x fooserv RET
would expand to something like
C-a :screen -t fooserv ssh fooserv
If anyone knows how to do that, I'd prefer it (since customer machines
don't have my .profile installed).
> Sometimes I logout of the connected machine and connect to another.
> I don't want to set title each time I do this. If there is no
> screen in the way, the following bash variable shows the hostname in
> xterm title. PROMPT_COMMAND='echo -ne "\033]0;${HOSTNAME}\007"'
Oh, have a screen window with a shell, and you run "ssh fooserv" in
the shell. I *think* my approach still works in that case.
> If I use this, and change %t->%h in hardstatus string, the hostname
> shows in the "currently selected window only", but not the
> others. As there is no equivalent of "-w" "+w" for xterm title(which
> is an actual "hard" status), this path was blocked.
I didn't understand any of that paragraph.
> To ensure that only ssh sessions within a GNU screen get the "title
> setter prompt command", environment variables are useful, I can use
> the TERM variable, but in stable debian, the default TERM=screen
> breaks vim editor, it goes crazy when you press home, or pageup
> buttons. Using TERM=xterm fixes this, so I cannot check for TERM
> being equal to "screen".
Then you should fix vim, not train Screen to work with the wrong
settings. Does vim work correctly (with TERM screen) if you tell it
not to evaluate your .vimrc and such? If so, then the problem is with
your .vimrc, not with vim itself.
> I put "setenv INSCREEN yes" into .screenrc, and in the target shell,
> I set PROMPT_COMMAND if this variable is set, but then,(surprise,
> surprise!) ssh would not pass variables to target machine. At
> least, does not pass unless you use AcceptEnv in ssh server config,
> but I don't want to use it for security reasons.
You need to configure ssh to do so with the SendEnv directive in
~/.ssh/config. See ssh_config(5) manpage. Dunno about AcceptEnv, I
guess you've tried it more than I have.
> Ok, maybe not because of security, but changing "ssh server
> configuration" for only setting screen's window title seems absurd.
I agree.
> A solution that I imagined was to extend the "stuff" line; it does the ssh
> connection, then puts the PROMPT_COMMAND to set GNU screen window title.
> escaping this correctly was a chore, but I managed after some experimentation.
> stuff "ssh hostname\015export PROMPT_COMMAND='echo -n -e "\\033k\${HOSTNAME}\\033\\\\\"'\015"
Instead of using :stuff, why not just set the title when you create
the screen window, running ssh instead of the default shell?
C-a :screen -t fooserv ssh fooserv
> But of course, the connections made after these do not set the title.
In the approach I propose, each subsequent ssh would get a fresh
window, so this would work.
> [[ rant: Why, why, why this great software gets the most generic
> name of "screen" ?
I agree.
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* Gokdeniz Karadag on Saturday, July 12, 2008 at 03:10:00 +0300
> Setting the following in all machines achieves what I want, it sets
> screen title to hostname,
> PROMPT_COMMAND='echo -n -e "\033k${HOSTNAME}\033\\"'
> but when I connect to the machine out of screen, It prints the hostname
> literally, so the prompt becomes like "hostname user@hostname $ " , which is
> ugly and redundant.
>
> To ensure that only ssh sessions within a GNU screen get the "title setter
> prompt command", environment variables are useful, I can use the TERM variable,
> but in stable debian, the default TERM=screen breaks vim editor, it goes crazy
> when you press home, or pageup buttons. Using TERM=xterm fixes this, so I
> cannot check for TERM being equal to "screen".
Does checking for $STY work for your purposes?
if [ -n "$STY" ]
<screen specific stuff>
fi
c
--
Was hei<65>t hier Dogma, ich bin Underdogma!
[ What the hell do you mean dogma, I am underdogma. ]
_F R E E_ _V I D E O S_ -->> http://www.blacktrash.org/underdogma/
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I have a lot of stuff in my screen sessions. 30+ terminal sessions on a
dozen or more machines.
I've tries a lot of things to make it more readable at a glance, but it
keeps coming back to wanting color to highlight sections of it.
Does anyone know how to add color escape sequences to the windowlist view?
I have RTFM'd and experimented a lot, but it just prints whatever escape seq
I put in it.
Thanks in advance
-Bruce
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I have a lot of stuff in my screen sessions. 30+ terminal sessions on a dozen or more machines.<br>I&#39;ve tries a lot of things to make it more readable at a glance, but it keeps coming back to wanting color to highlight sections of it.<br>
<br>Does anyone know how to add color escape sequences to the windowlist view?<br><br>I have RTFM&#39;d and experimented a lot, but it just prints whatever escape seq I put in it.<br><br>Thanks in advance<br>-Bruce<br>
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Bruce Edge wrote:
> I have a lot of stuff in my screen sessions. 30+ terminal sessions on a
> dozen or more machines.
> I've tries a lot of things to make it more readable at a glance, but it
> keeps coming back to wanting color to highlight sections of it.
>
> Does anyone know how to add color escape sequences to the windowlist view?
>
> I have RTFM'd and experimented a lot, but it just prints whatever escape
> seq I put in it.
"Put in it"? How have you put anything in the windowlist view? The
windowlist is not modifiable, to my knowledge.
A common technique is to use the hardstatus to keep track of windows
(see the bottom of the "String Escapes" section for a handy example of
this). Not sure if that'll help a ton with 30+ terminal sessions...
You may find the "group" functionality of the current development
sources to be handy; you can create a group window with
C-a : screen -t my-group //group
and then any windows you create from the group window, or from a window
that's part of the group, will be a part of that group. When in a window
that's part of a group, only other windows of that group will show up in
the windowlist or hardstatus %w/%W escapes (you can get a full list by
giving windowlist the -m option).
You can also change the group a window is in with
C-a : group my-group
The feature's currently got some glitches (Killing a group window seems
to freeze screen for me, but only sometimes). But it can be a useful
organization tool.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Date: Tue, 15 Jul 2008 10:55:42 -0700
From: "Bruce Edge" <bruce.edge@gmail.com>
To: "Micah Cowan" <micah@cowan.name>
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Subject: Re: format windowlist view with color.
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On Tue, Jul 15, 2008 at 10:37 AM, Micah Cowan <micah@cowan.name> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Bruce Edge wrote:
> > I have a lot of stuff in my screen sessions. 30+ terminal sessions on a
> > dozen or more machines.
> > I've tries a lot of things to make it more readable at a glance, but it
> > keeps coming back to wanting color to highlight sections of it.
> >
> > Does anyone know how to add color escape sequences to the windowlist
> view?
> >
> > I have RTFM'd and experimented a lot, but it just prints whatever escape
> > seq I put in it.
>
> "Put in it"? How have you put anything in the windowlist view? The
> windowlist is not modifiable, to my knowledge.
>
OK, bad terminology. I'm setting the window's title.
So, to rephrase, are there any color escape sequences that can be used in
the window title?
This would then show the same color for the title in the window list.
I wanted to change the color of the title for any windows that were running
a command, ie: not at a shell prompt. This would make it easier to pick out
what windows had running commands. Currently I change the window title to
to ">> command <<" to make them stand out a bit when they are running
something. (using zsh preexec)
Another would be to change the title color then the last shell command
returned a non-zero status. This would be like an alert for when a command
failed.
Also, all my build/edit windows for a particular source branch would have
the same color, etc...
>
> A common technique is to use the hardstatus to keep track of windows
> (see the bottom of the "String Escapes" section for a handy example of
> this). Not sure if that'll help a ton with 30+ terminal sessions...
>
Yeah, too much data. The window list is what I use as it can show more
stuff.
>
> You may find the "group" functionality of the current development
> sources to be handy; you can create a group window with
>
> C-a : screen -t my-group //group
>
> and then any windows you create from the group window, or from a window
> that's part of the group, will be a part of that group. When in a window
> that's part of a group, only other windows of that group will show up in
> the windowlist or hardstatus %w/%W escapes (you can get a full list by
> giving windowlist the -m option).
>
> You can also change the group a window is in with
>
> C-a : group my-group
>
> The feature's currently got some glitches (Killing a group window seems
> to freeze screen for me, but only sometimes). But it can be a useful
> organization tool.
>
That sounds very cool. I have to try that.
What would also be nice is if you could re-order the window list. ie: move
entries around so that you could group related shells together.
-Bruce
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On Tue, Jul 15, 2008 at 10:37 AM, Micah Cowan &lt;<a href="mailto:micah@cowan.name">micah@cowan.name</a>&gt; wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<div><div></div><div class="Wj3C7c"><br>
Bruce Edge wrote:<br>
&gt; I have a lot of stuff in my screen sessions. 30+ terminal sessions on a<br>
&gt; dozen or more machines.<br>
&gt; I&#39;ve tries a lot of things to make it more readable at a glance, but it<br>
&gt; keeps coming back to wanting color to highlight sections of it.<br>
&gt;<br>
&gt; Does anyone know how to add color escape sequences to the windowlist view?<br>
&gt;<br>
&gt; I have RTFM&#39;d and experimented a lot, but it just prints whatever escape<br>
&gt; seq I put in it.<br>
<br>
</div></div>&quot;Put in it&quot;? How have you put anything in the windowlist view? The<br>
windowlist is not modifiable, to my knowledge.<br>
</blockquote><div><br>OK, bad terminology. I&#39;m setting the window&#39;s title.<br><br>So, to rephrase, are there any color escape sequences that can be used in the window title?<br>This would then show the same color for the title in the window list.<br>
<br>I wanted to change the color of the title for any windows that were running a command, ie: not at a shell prompt. This would make it easier to pick out what windows had running commands. Currently I change the window title to to&nbsp; &quot;&gt;&gt; command &lt;&lt;&quot; to make them stand out a bit when they are running something. (using zsh preexec)<br>
<br>Another would be to change the title color then the last shell command returned a non-zero status. This would be like an alert for when a command failed.<br><br>Also, all my build/edit windows for a particular source branch would have the same color, etc...<br>
<br>&nbsp;</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
A common technique is to use the hardstatus to keep track of windows<br>
(see the bottom of the &quot;String Escapes&quot; section for a handy example of<br>
this). Not sure if that&#39;ll help a ton with 30+ terminal sessions...<br>
</blockquote><div><br>Yeah, too much data. The window list is what I use as it can show more stuff. <br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>
You may find the &quot;group&quot; functionality of the current development<br>
sources to be handy; you can create a group window with<br>
<br>
&nbsp;C-a : screen -t my-group //group<br>
<br>
and then any windows you create from the group window, or from a window<br>
that&#39;s part of the group, will be a part of that group. When in a window<br>
that&#39;s part of a group, only other windows of that group will show up in<br>
the windowlist or hardstatus %w/%W escapes (you can get a full list by<br>
giving windowlist the -m option).<br>
<br>
You can also change the group a window is in with<br>
<br>
&nbsp;C-a : group my-group<br>
<br>
The feature&#39;s currently got some glitches (Killing a group window seems<br>
to freeze screen for me, but only sometimes). But it can be a useful<br>
organization tool.<br>
</blockquote><div><br>That sounds very cool. I have to try that.<br><br>What would also be nice is if you could re-order the window list. ie: move entries around so that you could group related shells together.<br></div>
</div><br>-Bruce<br>
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Subject: Re: format windowlist view with color.
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Bruce Edge wrote:
> OK, bad terminology. I'm setting the window's title.
>
> So, to rephrase, are there any color escape sequences that can be used
> in the window title?
> This would then show the same color for the title in the window list.
Not that I'm aware of :\
> I wanted to change the color of the title for any windows that were
> running a command, ie: not at a shell prompt. This would make it easier
> to pick out what windows had running commands. Currently I change the
> window title to to ">> command <<" to make them stand out a bit when
> they are running something. (using zsh preexec)
>
> Another would be to change the title color then the last shell command
> returned a non-zero status. This would be like an alert for when a
> command failed.
>
> Also, all my build/edit windows for a particular source branch would
> have the same color, etc...
Sounds like groups might be handy for that. That's the sort of thing I'm
using them for lately (note, I myself just found out about groups this
week).
> You may find the "group" functionality of the current development
> sources to be handy; you can create a group window with
...
> That sounds very cool. I have to try that.
>
> What would also be nice is if you could re-order the window list. ie:
> move entries around so that you could group related shells together.
You can already do that with C-a : number <new number>. Also, Sadrul
just pushed a change that allows you to give _relative_ numeric changes,
so that C-a: number +1 can move a window from number 4 to number 5, etc.
If you bind number +1 and number -1 to appropriate keys, you could
probably find these to be useful as well.
The numbers/ordering when you're using groups, though, appears kind of
funky to me. Though it seems that they're by-group; they could be
delineated/ordered better in that case, however. (I've just filed an
issue for that.)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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From: =?ISO-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
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Subject: Spawning commands inside interactive shells in new windows in a
scriptable fashion
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Hi List,
I want to open new windows that run specific commands within interactive
shells in a scriptable fashion.
Let's say I want to run `du --max-depth=3D1 /` in a new screen window
within an interactive shell and I want to do it from a script.
Let's consider the following:
$ screen screen bash -i -c du --max-depth=3D1 /
I'd expect this to work, but it doesn't.
On the other hand it works:
$ =EF=BB=BFscreen screen bash -i -c read
But bash closes right after pressing enter. =EF=BB=BFI guess bash has trou=
ble
handling -i and -c together and it behaves non-interactively in this
case.
Also, the status line showing the windows doesn't get updated, only
after I explicitly change window.
I'd really appreciate your insights.
Thanks in advance!
--=20
Laci <http://monda.hu>
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From: Gokdeniz Karadag <gokdeniz@cclub.metu.edu.tr>
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Subject: Re: Setting window title in ssh'ed host
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Hi,
First of all thanks for your answer. I have solved the question -- or the
question suddenly disappeared :)
My replies are between quotations below.
Trent W. Buck demis ki::
.......
> Note that the "type" builtin isn't portable, if you use .bash_profile
> you can instead just use
>
> case "$TERM" in
> screen*) printf %bk%s%b%b \\033 "${HOSTNAME%%.*}" \\033 \\0134;;
> esac
....
>> Sometimes I logout of the connected machine and connect to another.
>> I don't want to set title each time I do this. If there is no
>> screen in the way, the following bash variable shows the hostname in
>> xterm title. PROMPT_COMMAND='echo -ne "\033]0;${HOSTNAME}\007"'
>
> Oh, have a screen window with a shell, and you run "ssh fooserv" in
> the shell. I *think* my approach still works in that case.
>
Yes, your approach is the proper solution to my problem, but another problem
with "vim" made me use xterm as screen's $TERM during my previous attempts.
>> If I use this, and change %t->%h in hardstatus string, the hostname
>> shows in the "currently selected window only", but not the
>> others. As there is no equivalent of "-w" "+w" for xterm title(which
>> is an actual "hard" status), this path was blocked.
>
> I didn't understand any of that paragraph.
This is not much important but, my screen's hardstatus was like this;
hardstatus lastline "%-Lw%{= BW}%50>%n%f* %t%{-}%+Lw%<"
Example: 0$* machineA 1-$ machineB 2$ machineC
I was able to set the "xterm title" using "xterm hardstatus" escapes "in the
connected machine", while using TERM=xterm.
PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME}\007"'
I could display this "xterm hardstatus text" in "screen hardstatus", by using
"%h" in screen's hardstatus line. But, as you can see in my example ALL
connected machine names can be seen, thanks to %-w and %+w in screen's
hardstatus string. When "xterm hardstatus" is displayed using %h, there is no
%-h and %+h to display all machines "xterm hardstatus" info on the last line.
If I couldn't made myself clear, feel free to ignore this as the problem is
solved now.
>
>> To ensure that only ssh sessions within a GNU screen get the "title
>> setter prompt command", environment variables are useful, I can use
>> the TERM variable, but in stable debian, the default TERM=screen
>> breaks vim editor, it goes crazy when you press home, or pageup
>> buttons. Using TERM=xterm fixes this, so I cannot check for TERM
>> being equal to "screen".
>
> Then you should fix vim, not train Screen to work with the wrong
> settings. Does vim work correctly (with TERM screen) if you tell it
> not to evaluate your .vimrc and such? If so, then the problem is with
> your .vimrc, not with vim itself.
>
My previus tests showed that setting TERM from "screen" to "xterm" solved
problems with vim. Today, I intended to fix this issue once and for all,
strangely, vim worked without problems using TERM=screen. As a result I can
check TERM in servers and use screen specific escapes to set title.
>
>> A solution that I imagined was to extend the "stuff" line; it does the ssh
>> connection, then puts the PROMPT_COMMAND to set GNU screen window title.
>> escaping this correctly was a chore, but I managed after some experimentation.
>> stuff "ssh hostname\015export PROMPT_COMMAND='echo -n -e "\\033k\${HOSTNAME}\\033\\\\\"'\015"
>
> Instead of using :stuff, why not just set the title when you create
> the screen window, running ssh instead of the default shell?
>
> C-a :screen -t fooserv ssh fooserv
>
With stuff in screenrc, I can logout from the initially connected machine and
that screen window does not close itself, just a convenience. Also, stuff can
be extended to "cd" into relevant directory, run a non-login shell, etc.
Thanks again for the answer.
--
Gokdeniz Karadag
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Subject: Re: Setting window title in ssh'ed host
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Christian Ebert demis ki::
> * Gokdeniz Karadag on Saturday, July 12, 2008 at 03:10:00 +0300
>> Setting the following in all machines achieves what I want, it sets
>> screen title to hostname,
>> PROMPT_COMMAND='echo -n -e "\033k${HOSTNAME}\033\\"'
>> but when I connect to the machine out of screen, It prints the hostname
>> literally, so the prompt becomes like "hostname user@hostname $ " , which is
>> ugly and redundant.
>>
>> To ensure that only ssh sessions within a GNU screen get the "title setter
>> prompt command", environment variables are useful, I can use the TERM variable,
>> but in stable debian, the default TERM=screen breaks vim editor, it goes crazy
>> when you press home, or pageup buttons. Using TERM=xterm fixes this, so I
>> cannot check for TERM being equal to "screen".
>
> Does checking for $STY work for your purposes?
>
> if [ -n "$STY" ]
> <screen specific stuff>
> fi
>
> c
Hi,
That works on the machine where screen is run, but my main use for screen is to
connect to many machines using ssh.
An environment var. does not get passed to the target shell, if *both* SendEnv
in the client and AcceptEnv in the server is configured.
When TERM is properly set to "screen", I can use it on the target server
without extra configuration as I wrote in my answer to Trent Buck.
Thank you for the answer.
--
Gokdeniz Karadag
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From: =?ISO-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
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Subject: Spawning commands inside interactive shells in new windows in a
scriptable fashion
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Hi List,
I've already sent this mail to the list some days ago, but seeing the
archives it seems to me that it hasn't arrived, so I resend it this
time.
I want to open new windows that run specific commands within interactive
shells in a scriptable fashion.
Let's say I want to run `du --max-depth=3D1 /` in a new screen window
within an interactive shell and I want to do it from a script.
Let's consider the following:
$ screen screen bash -i -c du --max-depth=3D1 /
I'd expect this to work, but it doesn't.
On the other hand it works:
$ =EF=BB=BFscreen screen bash -i -c read
But bash closes right after pressing enter. =EF=BB=BFI guess bash has trou=
ble
handling -i and -c together and it behaves non-interactively in this
case.
Also, the status line showing the windows doesn't get updated, only
after I explicitly change window.
I'd really appreciate your insights.
Thanks in advance!
--=20
Laci <http://monda.hu>
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Date: Wed, 16 Jul 2008 18:59:04 +0530
From: "Pandurangan R S" <pandurangan.r.s@gmail.com>
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Subject: Frozen or locked screen?
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Hi,
My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
I recently saw a thread which talks about accidentally locking the
screen and thinking it is frozen.
Is the case with my screen now? If so, how can i unlock it?
If I strace the screen process, I observe the following. Any hints?
Process 15342 attached - interrupt to quit
pause() = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
alarm(0) = 0
kill(6866, SIG_0) = 0
rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
alarm(15) = 0
pause() = ? ERESTARTNOHAND (To be restarted)
--- SIGALRM (Alarm clock) @ 0 (0) ---
sigreturn() = ? (mask now [])
alarm(0) = 0
kill(6866, SIG_0) = 0
rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
alarm(15) = 0
pause(
Thanks
Pandu
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Date: Thu, 17 Jul 2008 08:32:46 -0500
From: "Samir Unni" <srunni@gmail.com>
To: "Pandurangan R S" <pandurangan.r.s@gmail.com>
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Subject: Re: Frozen or locked screen?
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Hi,
Whenever this happens to me, I just run 'screen -x <session name>' and wait
for 10-15 minutes for it to successfully connect. The best thing to do would
be to avoid sending too much data over a low bandwidth connection. I try to
prevent this as often as possible, but sometimes I forget to filter the
output or something. I don't know of any permanent solution.
Thanks,
Samir Unni
On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S <pandurangan.r.s@gmail.com>
wrote:
> Hi,
>
> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>
> I recently saw a thread which talks about accidentally locking the
> screen and thinking it is frozen.
> Is the case with my screen now? If so, how can i unlock it?
>
>
> If I strace the screen process, I observe the following. Any hints?
>
> Process 15342 attached - interrupt to quit
> pause() = ? ERESTARTNOHAND (To be
> restarted)
> --- SIGALRM (Alarm clock) @ 0 (0) ---
> sigreturn() = ? (mask now [])
> alarm(0) = 0
> kill(6866, SIG_0) = 0
> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> alarm(15) = 0
> pause() = ? ERESTARTNOHAND (To be
> restarted)
> --- SIGALRM (Alarm clock) @ 0 (0) ---
> sigreturn() = ? (mask now [])
> alarm(0) = 0
> kill(6866, SIG_0) = 0
> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> alarm(15) = 0
> pause(
>
> Thanks
> Pandu
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
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<div dir="ltr">Hi,<br><br>Whenever this happens to me, I just run &#39;screen -x &lt;session name&gt;&#39; and wait for 10-15 minutes for it to successfully connect. The best thing to do would be to avoid sending too much data over a low bandwidth connection. I try to prevent this as often as possible, but sometimes I forget to filter the output or something. I don&#39;t know of any permanent solution.<br>
<br>Thanks,<br><br>Samir Unni<br><br><br><div class="gmail_quote">On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi,<br>
<br>
My screen looks to be frozen. screen -x (or screen -d) also gets stuck.<br>
<br>
I recently saw a thread which talks about accidentally locking the<br>
screen and thinking it is frozen.<br>
Is the case with my screen now? If so, how can i unlock it?<br>
<br>
<br>
If I strace the screen process, I observe the following. Any hints?<br>
<br>
Process 15342 attached - interrupt to quit<br>
pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be restarted)<br>
--- SIGALRM (Alarm clock) @ 0 (0) ---<br>
sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be restarted)<br>
--- SIGALRM (Alarm clock) @ 0 (0) ---<br>
sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
pause(<br>
<br>
Thanks<br>
Pandu<br>
<br>
<br>
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</blockquote></div><br></div>
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Thanks. I am not having any backtick commands in hardstatus.
My screenrc has
hardstatus string '%{= kc}[ %{C}%H %{c}]%{G}%= %{=
kw}%?%-Lw%?%{g}%{G}%n*%f%t%?%u%?%{g}%{w}%?%+Lw%?%?%= %{G}%{c}[%{C}
%d/%m %{C}%c %{c}]'
Backticks are present only in the following line in my entire screenrc
(and this will not be a problem)
escape `` # Instead of Control-a, make the escape/command character be
` (backtick)
I would also like to point out that I am able to start new screen
sessions on the same host without any issues.
Thanks
Pandu
On Thu, Jul 17, 2008 at 6:57 PM, Thomas Adam <thomas.adam22@gmail.com> wrote:
>
> 2008/7/16 Pandurangan R S <pandurangan.r.s@gmail.com>:
> > Hi,
> >
> > My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
> >
> > I recently saw a thread which talks about accidentally locking the
> > screen and thinking it is frozen.
> > Is the case with my screen now? If so, how can i unlock it?
>
> I don't suppose you've got some backtick commands in your hardstatus, have you?
>
> -- Thomas Adam
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> Whenever this happens to me, I just run 'screen -x <session name>' and wait
> for 10-15 minutes for it to successfully connect.
I waited for around 30 mins hoping that i will get attached to the
screen, but that didn't happen :(
> The best thing to do would
> be to avoid sending too much data over a low bandwidth connection.
My desktop and the host on which i run screen are within a LAN.
Thanks for the help.
-- Pandu
On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni <srunni@gmail.com> wrote:
> Hi,
>
> Whenever this happens to me, I just run 'screen -x <session name>' and wait
> for 10-15 minutes for it to successfully connect. The best thing to do would
> be to avoid sending too much data over a low bandwidth connection. I try to
> prevent this as often as possible, but sometimes I forget to filter the
> output or something. I don't know of any permanent solution.
>
> Thanks,
>
> Samir Unni
>
>
> On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S <pandurangan.r.s@gmail.com>
> wrote:
>>
>> Hi,
>>
>> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>>
>> I recently saw a thread which talks about accidentally locking the
>> screen and thinking it is frozen.
>> Is the case with my screen now? If so, how can i unlock it?
>>
>>
>> If I strace the screen process, I observe the following. Any hints?
>>
>> Process 15342 attached - interrupt to quit
>> pause() = ? ERESTARTNOHAND (To be
>> restarted)
>> --- SIGALRM (Alarm clock) @ 0 (0) ---
>> sigreturn() = ? (mask now [])
>> alarm(0) = 0
>> kill(6866, SIG_0) = 0
>> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
>> alarm(15) = 0
>> pause() = ? ERESTARTNOHAND (To be
>> restarted)
>> --- SIGALRM (Alarm clock) @ 0 (0) ---
>> sigreturn() = ? (mask now [])
>> alarm(0) = 0
>> kill(6866, SIG_0) = 0
>> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
>> alarm(15) = 0
>> pause(
>>
>> Thanks
>> Pandu
>>
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org
>> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
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2008/7/16 Pandurangan R S <pandurangan.r.s@gmail.com>:
> Hi,
>
> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>
> I recently saw a thread which talks about accidentally locking the
> screen and thinking it is frozen.
> Is the case with my screen now? If so, how can i unlock it?
I don't suppose you've got some backtick commands in your hardstatus, have you?
-- Thomas Adam
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To: =?iso-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
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looks like you might want to use "stuff" to push the commands at a
normal screen that has a shell open (so that it runs them, and stays
interactive.)
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Hi,
It seems that you are having a different problem then. Do you ever actually
use the locking feature? If not, then maybe you could just change the
keybinding for that to something hard to type so you never accidentally
activate it?
Thanks,
Samir
On Thu, Jul 17, 2008 at 8:43 AM, Pandurangan R S <pandurangan.r.s@gmail.com>
wrote:
> > Whenever this happens to me, I just run 'screen -x <session name>' and
> wait
> > for 10-15 minutes for it to successfully connect.
>
> I waited for around 30 mins hoping that i will get attached to the
> screen, but that didn't happen :(
>
> > The best thing to do would
> > be to avoid sending too much data over a low bandwidth connection.
>
> My desktop and the host on which i run screen are within a LAN.
>
> Thanks for the help.
>
> -- Pandu
>
> On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni <srunni@gmail.com> wrote:
> > Hi,
> >
> > Whenever this happens to me, I just run 'screen -x <session name>' and
> wait
> > for 10-15 minutes for it to successfully connect. The best thing to do
> would
> > be to avoid sending too much data over a low bandwidth connection. I try
> to
> > prevent this as often as possible, but sometimes I forget to filter the
> > output or something. I don't know of any permanent solution.
> >
> > Thanks,
> >
> > Samir Unni
> >
> >
> > On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S <
> pandurangan.r.s@gmail.com>
> > wrote:
> >>
> >> Hi,
> >>
> >> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
> >>
> >> I recently saw a thread which talks about accidentally locking the
> >> screen and thinking it is frozen.
> >> Is the case with my screen now? If so, how can i unlock it?
> >>
> >>
> >> If I strace the screen process, I observe the following. Any hints?
> >>
> >> Process 15342 attached - interrupt to quit
> >> pause() = ? ERESTARTNOHAND (To be
> >> restarted)
> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
> >> sigreturn() = ? (mask now [])
> >> alarm(0) = 0
> >> kill(6866, SIG_0) = 0
> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> >> alarm(15) = 0
> >> pause() = ? ERESTARTNOHAND (To be
> >> restarted)
> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
> >> sigreturn() = ? (mask now [])
> >> alarm(0) = 0
> >> kill(6866, SIG_0) = 0
> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> >> alarm(15) = 0
> >> pause(
> >>
> >> Thanks
> >> Pandu
> >>
> >>
> >> _______________________________________________
> >> screen-users mailing list
> >> screen-users@gnu.org
> >> http://lists.gnu.org/mailman/listinfo/screen-users
> >
> >
>
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<div dir="ltr">Hi,<br><br>It seems that you are having a different problem then. Do you ever actually use the locking feature? If not, then maybe you could just change the keybinding for that to something hard to type so you never accidentally activate it?<br>
<br>Thanks,<br><br>Samir<br><br><br><div class="gmail_quote">On Thu, Jul 17, 2008 at 8:43 AM, Pandurangan R S &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">&gt; Whenever this happens to me, I just run &#39;screen -x &lt;session name&gt;&#39; and wait<br>
&gt; for 10-15 minutes for it to successfully connect.<br>
<br>
</div>I waited for around 30 mins hoping that i will get attached to the<br>
screen, but that didn&#39;t happen :(<br>
<div class="Ih2E3d"><br>
&gt; The best thing to do would<br>
&gt; be to avoid sending too much data over a low bandwidth connection.<br>
<br>
</div>My desktop and the host on which i run screen are within a LAN.<br>
<br>
Thanks for the help.<br>
<br>
-- Pandu<br>
<div><div></div><div class="Wj3C7c"><br>
On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br>
&gt; Hi,<br>
&gt;<br>
&gt; Whenever this happens to me, I just run &#39;screen -x &lt;session name&gt;&#39; and wait<br>
&gt; for 10-15 minutes for it to successfully connect. The best thing to do would<br>
&gt; be to avoid sending too much data over a low bandwidth connection. I try to<br>
&gt; prevent this as often as possible, but sometimes I forget to filter the<br>
&gt; output or something. I don&#39;t know of any permanent solution.<br>
&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Samir Unni<br>
&gt;<br>
&gt;<br>
&gt; On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt;<br>
&gt; wrote:<br>
&gt;&gt;<br>
&gt;&gt; Hi,<br>
&gt;&gt;<br>
&gt;&gt; My screen looks to be frozen. screen -x (or screen -d) also gets stuck.<br>
&gt;&gt;<br>
&gt;&gt; I recently saw a thread which talks about accidentally locking the<br>
&gt;&gt; screen and thinking it is frozen.<br>
&gt;&gt; Is the case with my screen now? If so, how can i unlock it?<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; If I strace the screen process, I observe the following. Any hints?<br>
&gt;&gt;<br>
&gt;&gt; Process 15342 attached - interrupt to quit<br>
&gt;&gt; pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be<br>
&gt;&gt; restarted)<br>
&gt;&gt; --- SIGALRM (Alarm clock) @ 0 (0) ---<br>
&gt;&gt; sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
&gt;&gt; alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
&gt;&gt; kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
&gt;&gt; alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be<br>
&gt;&gt; restarted)<br>
&gt;&gt; --- SIGALRM (Alarm clock) @ 0 (0) ---<br>
&gt;&gt; sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
&gt;&gt; alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
&gt;&gt; kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
&gt;&gt; alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; pause(<br>
&gt;&gt;<br>
&gt;&gt; Thanks<br>
&gt;&gt; Pandu<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; _______________________________________________<br>
&gt;&gt; screen-users mailing list<br>
&gt;&gt; <a href="mailto:screen-users@gnu.org">screen-users@gnu.org</a><br>
&gt;&gt; <a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
&gt;<br>
&gt;<br>
</div></div></blockquote></div><br></div>
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From: Juergen Weigert <jw@cs.fau.de>
To: Pandurangan R S <pandurangan.r.s@gmail.com>
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On Jul 16, 08 18:59:04 +0530, Pandurangan R S wrote:
> Hi,
>
> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>
> I recently saw a thread which talks about accidentally locking the
> screen and thinking it is frozen.
> Is the case with my screen now? If so, how can i unlock it?
>
> If I strace the screen process, I observe the following. Any hints?
>
> Process 15342 attached - interrupt to quit
> pause() = ? ERESTARTNOHAND (To be restarted)
> --- SIGALRM (Alarm clock) @ 0 (0) ---
> sigreturn() = ? (mask now [])
> alarm(0) = 0
> kill(6866, SIG_0) = 0
> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> alarm(15) = 0
Process id 6866 is your screen master process.
Please show a trace of this one.
cheers,
Jw.
--
o \ Juergen Weigert unix-software __/ _=======.=======_
<V> | jw@cs.fau.de creator __/ _---|____________\/
\ | 0179/2069677 __/ (____/ /\
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No. I never use the locking feature. How can i disable the
corresponding keybinding?
Thanks
Pandu
On Fri, Jul 18, 2008 at 1:04 AM, Samir Unni <srunni@gmail.com> wrote:
> Hi,
>
> It seems that you are having a different problem then. Do you ever actually
> use the locking feature? If not, then maybe you could just change the
> keybinding for that to something hard to type so you never accidentally
> activate it?
>
> Thanks,
>
> Samir
>
>
> On Thu, Jul 17, 2008 at 8:43 AM, Pandurangan R S <pandurangan.r.s@gmail.com>
> wrote:
>>
>> > Whenever this happens to me, I just run 'screen -x <session name>' and
>> > wait
>> > for 10-15 minutes for it to successfully connect.
>>
>> I waited for around 30 mins hoping that i will get attached to the
>> screen, but that didn't happen :(
>>
>> > The best thing to do would
>> > be to avoid sending too much data over a low bandwidth connection.
>>
>> My desktop and the host on which i run screen are within a LAN.
>>
>> Thanks for the help.
>>
>> -- Pandu
>>
>> On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni <srunni@gmail.com> wrote:
>> > Hi,
>> >
>> > Whenever this happens to me, I just run 'screen -x <session name>' and
>> > wait
>> > for 10-15 minutes for it to successfully connect. The best thing to do
>> > would
>> > be to avoid sending too much data over a low bandwidth connection. I try
>> > to
>> > prevent this as often as possible, but sometimes I forget to filter the
>> > output or something. I don't know of any permanent solution.
>> >
>> > Thanks,
>> >
>> > Samir Unni
>> >
>> >
>> > On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S
>> > <pandurangan.r.s@gmail.com>
>> > wrote:
>> >>
>> >> Hi,
>> >>
>> >> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>> >>
>> >> I recently saw a thread which talks about accidentally locking the
>> >> screen and thinking it is frozen.
>> >> Is the case with my screen now? If so, how can i unlock it?
>> >>
>> >>
>> >> If I strace the screen process, I observe the following. Any hints?
>> >>
>> >> Process 15342 attached - interrupt to quit
>> >> pause() = ? ERESTARTNOHAND (To be
>> >> restarted)
>> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
>> >> sigreturn() = ? (mask now [])
>> >> alarm(0) = 0
>> >> kill(6866, SIG_0) = 0
>> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
>> >> alarm(15) = 0
>> >> pause() = ? ERESTARTNOHAND (To be
>> >> restarted)
>> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
>> >> sigreturn() = ? (mask now [])
>> >> alarm(0) = 0
>> >> kill(6866, SIG_0) = 0
>> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
>> >> alarm(15) = 0
>> >> pause(
>> >>
>> >> Thanks
>> >> Pandu
>> >>
>> >>
>> >> _______________________________________________
>> >> screen-users mailing list
>> >> screen-users@gnu.org
>> >> http://lists.gnu.org/mailman/listinfo/screen-users
>> >
>> >
>
>
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Subject: Re: Frozen or locked screen?
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Unfortunately, I had killed the screen process accidentally. So I
cannot provide the strace now :(
I will post the related straces if get into the same trouble again.
Thanks for your help.
-- Pandu
On Fri, Jul 18, 2008 at 3:22 AM, Juergen Weigert <jw@cs.fau.de> wrote:
> On Jul 16, 08 18:59:04 +0530, Pandurangan R S wrote:
>> Hi,
>>
>> My screen looks to be frozen. screen -x (or screen -d) also gets stuck.
>>
>> I recently saw a thread which talks about accidentally locking the
>> screen and thinking it is frozen.
>> Is the case with my screen now? If so, how can i unlock it?
>
>
>>
>> If I strace the screen process, I observe the following. Any hints?
>>
>> Process 15342 attached - interrupt to quit
>> pause() = ? ERESTARTNOHAND (To be restarted)
>> --- SIGALRM (Alarm clock) @ 0 (0) ---
>> sigreturn() = ? (mask now [])
>> alarm(0) = 0
>> kill(6866, SIG_0) = 0
>> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
>> alarm(15) = 0
>
> Process id 6866 is your screen master process.
> Please show a trace of this one.
>
> cheers,
> Jw.
>
> --
> o \ Juergen Weigert unix-software __/ _=======.=======_
> <V> | jw@cs.fau.de creator __/ _---|____________\/
> \ | 0179/2069677 __/ (____/ /\
> (/) | ____________________________/ _/ \_ vim:set sw=2 wm=8
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Hi,
Sorry, but I don't know how to do that. I do know that the general syntax is
'bind <key> <action>', which you would place in your .screenrc file. I'm not
sure what the key is for locking, or what the syntax for locking would be.
Perhaps someone else can help out?
Thanks,
Samir
On Thu, Jul 17, 2008 at 11:00 PM, Pandurangan R S <pandurangan.r.s@gmail.com>
wrote:
> No. I never use the locking feature. How can i disable the
> corresponding keybinding?
>
> Thanks
> Pandu
>
> On Fri, Jul 18, 2008 at 1:04 AM, Samir Unni <srunni@gmail.com> wrote:
> > Hi,
> >
> > It seems that you are having a different problem then. Do you ever
> actually
> > use the locking feature? If not, then maybe you could just change the
> > keybinding for that to something hard to type so you never accidentally
> > activate it?
> >
> > Thanks,
> >
> > Samir
> >
> >
> > On Thu, Jul 17, 2008 at 8:43 AM, Pandurangan R S <
> pandurangan.r.s@gmail.com>
> > wrote:
> >>
> >> > Whenever this happens to me, I just run 'screen -x <session name>' and
> >> > wait
> >> > for 10-15 minutes for it to successfully connect.
> >>
> >> I waited for around 30 mins hoping that i will get attached to the
> >> screen, but that didn't happen :(
> >>
> >> > The best thing to do would
> >> > be to avoid sending too much data over a low bandwidth connection.
> >>
> >> My desktop and the host on which i run screen are within a LAN.
> >>
> >> Thanks for the help.
> >>
> >> -- Pandu
> >>
> >> On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni <srunni@gmail.com> wrote:
> >> > Hi,
> >> >
> >> > Whenever this happens to me, I just run 'screen -x <session name>' and
> >> > wait
> >> > for 10-15 minutes for it to successfully connect. The best thing to do
> >> > would
> >> > be to avoid sending too much data over a low bandwidth connection. I
> try
> >> > to
> >> > prevent this as often as possible, but sometimes I forget to filter
> the
> >> > output or something. I don't know of any permanent solution.
> >> >
> >> > Thanks,
> >> >
> >> > Samir Unni
> >> >
> >> >
> >> > On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S
> >> > <pandurangan.r.s@gmail.com>
> >> > wrote:
> >> >>
> >> >> Hi,
> >> >>
> >> >> My screen looks to be frozen. screen -x (or screen -d) also gets
> stuck.
> >> >>
> >> >> I recently saw a thread which talks about accidentally locking the
> >> >> screen and thinking it is frozen.
> >> >> Is the case with my screen now? If so, how can i unlock it?
> >> >>
> >> >>
> >> >> If I strace the screen process, I observe the following. Any hints?
> >> >>
> >> >> Process 15342 attached - interrupt to quit
> >> >> pause() = ? ERESTARTNOHAND (To be
> >> >> restarted)
> >> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
> >> >> sigreturn() = ? (mask now [])
> >> >> alarm(0) = 0
> >> >> kill(6866, SIG_0) = 0
> >> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> >> >> alarm(15) = 0
> >> >> pause() = ? ERESTARTNOHAND (To be
> >> >> restarted)
> >> >> --- SIGALRM (Alarm clock) @ 0 (0) ---
> >> >> sigreturn() = ? (mask now [])
> >> >> alarm(0) = 0
> >> >> kill(6866, SIG_0) = 0
> >> >> rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0
> >> >> alarm(15) = 0
> >> >> pause(
> >> >>
> >> >> Thanks
> >> >> Pandu
> >> >>
> >> >>
> >> >> _______________________________________________
> >> >> screen-users mailing list
> >> >> screen-users@gnu.org
> >> >> http://lists.gnu.org/mailman/listinfo/screen-users
> >> >
> >> >
> >
> >
>
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<div dir="ltr">Hi,<br><br>Sorry, but I don&#39;t know how to do that. I do know that the general syntax is &#39;bind &lt;key&gt; &lt;action&gt;&#39;, which you would place in your .screenrc file. I&#39;m not sure what the key is for locking, or what the syntax for locking would be. Perhaps someone else can help out?<br>
<br>Thanks,<br><br>Samir<br><br><br><div class="gmail_quote">On Thu, Jul 17, 2008 at 11:00 PM, Pandurangan R S &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
No. I never use the locking feature. How can i disable the<br>
corresponding keybinding?<br>
<br>
Thanks<br>
Pandu<br>
<div><div></div><div class="Wj3C7c"><br>
On Fri, Jul 18, 2008 at 1:04 AM, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br>
&gt; Hi,<br>
&gt;<br>
&gt; It seems that you are having a different problem then. Do you ever actually<br>
&gt; use the locking feature? If not, then maybe you could just change the<br>
&gt; keybinding for that to something hard to type so you never accidentally<br>
&gt; activate it?<br>
&gt;<br>
&gt; Thanks,<br>
&gt;<br>
&gt; Samir<br>
&gt;<br>
&gt;<br>
&gt; On Thu, Jul 17, 2008 at 8:43 AM, Pandurangan R S &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt;<br>
&gt; wrote:<br>
&gt;&gt;<br>
&gt;&gt; &gt; Whenever this happens to me, I just run &#39;screen -x &lt;session name&gt;&#39; and<br>
&gt;&gt; &gt; wait<br>
&gt;&gt; &gt; for 10-15 minutes for it to successfully connect.<br>
&gt;&gt;<br>
&gt;&gt; I waited for around 30 mins hoping that i will get attached to the<br>
&gt;&gt; screen, but that didn&#39;t happen :(<br>
&gt;&gt;<br>
&gt;&gt; &gt; The best thing to do would<br>
&gt;&gt; &gt; be to avoid sending too much data over a low bandwidth connection.<br>
&gt;&gt;<br>
&gt;&gt; My desktop and the host on which i run screen are within a LAN.<br>
&gt;&gt;<br>
&gt;&gt; Thanks for the help.<br>
&gt;&gt;<br>
&gt;&gt; -- Pandu<br>
&gt;&gt;<br>
&gt;&gt; On Thu, Jul 17, 2008 at 7:02 PM, Samir Unni &lt;<a href="mailto:srunni@gmail.com">srunni@gmail.com</a>&gt; wrote:<br>
&gt;&gt; &gt; Hi,<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; Whenever this happens to me, I just run &#39;screen -x &lt;session name&gt;&#39; and<br>
&gt;&gt; &gt; wait<br>
&gt;&gt; &gt; for 10-15 minutes for it to successfully connect. The best thing to do<br>
&gt;&gt; &gt; would<br>
&gt;&gt; &gt; be to avoid sending too much data over a low bandwidth connection. I try<br>
&gt;&gt; &gt; to<br>
&gt;&gt; &gt; prevent this as often as possible, but sometimes I forget to filter the<br>
&gt;&gt; &gt; output or something. I don&#39;t know of any permanent solution.<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; Thanks,<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; Samir Unni<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt; On Wed, Jul 16, 2008 at 8:29 AM, Pandurangan R S<br>
&gt;&gt; &gt; &lt;<a href="mailto:pandurangan.r.s@gmail.com">pandurangan.r.s@gmail.com</a>&gt;<br>
&gt;&gt; &gt; wrote:<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; Hi,<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; My screen looks to be frozen. screen -x (or screen -d) also gets stuck.<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; I recently saw a thread which talks about accidentally locking the<br>
&gt;&gt; &gt;&gt; screen and thinking it is frozen.<br>
&gt;&gt; &gt;&gt; Is the case with my screen now? If so, how can i unlock it?<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; If I strace the screen process, I observe the following. Any hints?<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; Process 15342 attached - interrupt to quit<br>
&gt;&gt; &gt;&gt; pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be<br>
&gt;&gt; &gt;&gt; restarted)<br>
&gt;&gt; &gt;&gt; --- SIGALRM (Alarm clock) @ 0 (0) ---<br>
&gt;&gt; &gt;&gt; sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
&gt;&gt; &gt;&gt; alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
&gt;&gt; &gt;&gt; kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; &gt;&gt; rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
&gt;&gt; &gt;&gt; alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; &gt;&gt; pause() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? ERESTARTNOHAND (To be<br>
&gt;&gt; &gt;&gt; restarted)<br>
&gt;&gt; &gt;&gt; --- SIGALRM (Alarm clock) @ 0 (0) ---<br>
&gt;&gt; &gt;&gt; sigreturn() &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = ? (mask now [])<br>
&gt;&gt; &gt;&gt; alarm(0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 0<br>
&gt;&gt; &gt;&gt; kill(6866, SIG_0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; &gt;&gt; rt_sigaction(SIGALRM, {0x806a540, [], 0}, {0x806a540, [], 0}, 8) = 0<br>
&gt;&gt; &gt;&gt; alarm(15) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 0<br>
&gt;&gt; &gt;&gt; pause(<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; Thanks<br>
&gt;&gt; &gt;&gt; Pandu<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt;<br>
&gt;&gt; &gt;&gt; _______________________________________________<br>
&gt;&gt; &gt;&gt; screen-users mailing list<br>
&gt;&gt; &gt;&gt; <a href="mailto:screen-users@gnu.org">screen-users@gnu.org</a><br>
&gt;&gt; &gt;&gt; <a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
&gt;&gt; &gt;<br>
&gt;&gt; &gt;<br>
&gt;<br>
&gt;<br>
</div></div></blockquote></div><br></div>
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From: =?ISO-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
To: Mark Eichin <eichin@metacarta.com>
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Subject: Re: Spawning commands inside interactive shells in new windows in
a scriptable fashion
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On Thu, 2008-07-17 at 12:40 -0400, Mark Eichin wrote:
> looks like you might want to use "stuff" to push the commands at a
> normal screen that has a shell open (so that it runs them, and stays
> interactive.)
I don't think that "stuff" is capable of what I want to do. I basically
want to write a script, like:
new-screen-window ls
new-screen-window du /
new-screen-window my-script
Where the new-screen-window utility opens new screen windows without
jumping to them. I'd also like to specify the title of the individual
windows.
--=20
Laci <http://monda.hu>
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Subject: Re: Spawning commands inside interactive shells in new windows in
a scriptable fashion
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You can use this in your screenrc, opens 4 windows, sets titles, first on=
e is=20
interactive and selected.
screen -t shell
screen -t ls
stuff "ls\015"
screen -t du
stuff "du /\015"
screen -t script
stuff "my-script\015"
select 0
L=E1szl=F3 Monda demis ki::
> On Thu, 2008-07-17 at 12:40 -0400, Mark Eichin wrote:
>> looks like you might want to use "stuff" to push the commands at a
>> normal screen that has a shell open (so that it runs them, and stays
>> interactive.)
>=20
> I don't think that "stuff" is capable of what I want to do. I basicall=
y
> want to write a script, like:
>=20
> new-screen-window ls
> new-screen-window du /
> new-screen-window my-script
>=20
> Where the new-screen-window utility opens new screen windows without
> jumping to them. I'd also like to specify the title of the individual
> windows.
>=20
>=20
>=20
> -----------------------------------------------------------------------=
-
>=20
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
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Hi,
Is there a way to open a new window without switching to it?
I often would like to start a command in a background window, and only
switch to it later, but I haven't found anything in the manual about it.
Thanks, Roi
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<div dir="ltr">Hi,<br><br>Is there a way to open a new window without switching to it?<br><br>I often would like to start a command in a background window, and only switch to it later, but I haven&#39;t found anything in the manual about it. <br>
<br>Thanks, Roi<br><br><br><br></div>
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On 18/07/2008, roi h <roi.lists@gmail.com> wrote:
> Hi,
>
> Is there a way to open a new window without switching to it?
>
> I often would like to start a command in a background window, and only
> switch to it later, but I haven't found anything in the manual about it.
>
> Thanks, Roi
>
I don't have a solution for you, but I think it will be going in the
right direction.
A while back I tried to find how to open a new window in the same
directory (before I realised "screen" would do that!). I imagine that
you could use it to script screen for what you want with: open window,
execute prog, select prev window.
You can execute it with C-a : then type exec screen-utils
It is on the internet somewhere, and possibly on the mailing list too,
but I am not too sure where it was a while ago I looked for it.
David
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From: =?ISO-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
To: davidcollins001@gmail.com
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Subject: Re: Spawning commands inside interactive shells in new windows in
a scriptable fashion
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Hi David,
(David has allowed me to reply to his email publicly.)
I think this is almost exactly what I need, but "^M" gets literally
quoted for me, just like as "\^M" or "\015".
How can I put new line characters in there?
Thanks!
On Tue, 2008-07-22 at 09:10 +0100, davidcollins001@gmail.com wrote:
> I don't know if this will help you but I have a small script that will
> start up folding at home in a running screen session. Here is the
> basis of it
>=20
> $ cat screen.scpt
> screen -S desktop4 -X screen -t t1
> screen -S desktop4 -p t1 -X stuff 'cd /^M'
> screen -S desktop4 -p t1 -X stuff 'ls ^M'
> screen -S desktop4 -X screen -t t2
> screen -S desktop4 -p t2 -X stuff 'cd programming^M'
> screen -S desktop4 -p t2 -X stuff 'file *^M'
>=20
> It will open a new screen called 't1', select it, cd to / and ls it,
> then another called 't2' move into my programming folder and do a
> 'file' on the content.
>=20
> It seems like this might be the basis for what you need?
>=20
> On 22/07/2008, L=E1szl=F3 Monda <laci@monda.hu> wrote:
> > On Thu, 2008-07-17 at 12:40 -0400, Mark Eichin wrote:
> >> looks like you might want to use "stuff" to push the commands at a
> >> normal screen that has a shell open (so that it runs them, and stays
> >> interactive.)
> >
> > I don't think that "stuff" is capable of what I want to do. I basicall=
y
> > want to write a script, like:
> >
> > new-screen-window ls
> > new-screen-window du /
> > new-screen-window my-script
> >
> > Where the new-screen-window utility opens new screen windows without
> > jumping to them. I'd also like to specify the title of the individual
> > windows.
> >
> > --
> > Laci <http://monda.hu>
> >
> >
--=20
Laci <http://monda.hu>
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Subject: Re: Spawning commands inside interactive shells in new windows in
a scriptable fashion
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In a console based text editor( I use vim) you can press on following thr=
ee keys;
ctrl v enter
This will embed a literal newline into the file, tested with the given sc=
ript.=20
I'm not sure about embedding newlines with GUI editors.
By the way, David's suggestion was very helpful, I realized I did not kno=
w=20
about -p
:)
L=E1szl=F3 Monda demis ki::
> Hi David,
>=20
> (David has allowed me to reply to his email publicly.)
>=20
> I think this is almost exactly what I need, but "^M" gets literally
> quoted for me, just like as "\^M" or "\015".
>=20
> How can I put new line characters in there?
>=20
> Thanks!
>=20
> On Tue, 2008-07-22 at 09:10 +0100, davidcollins001@gmail.com wrote:
>> I don't know if this will help you but I have a small script that will
>> start up folding at home in a running screen session. Here is the
>> basis of it
>>
>> $ cat screen.scpt
>> screen -S desktop4 -X screen -t t1
>> screen -S desktop4 -p t1 -X stuff 'cd /^M'
>> screen -S desktop4 -p t1 -X stuff 'ls ^M'
>> screen -S desktop4 -X screen -t t2
>> screen -S desktop4 -p t2 -X stuff 'cd programming^M'
>> screen -S desktop4 -p t2 -X stuff 'file *^M'
>>
>> It will open a new screen called 't1', select it, cd to / and ls it,
>> then another called 't2' move into my programming folder and do a
>> 'file' on the content.
>>
>> It seems like this might be the basis for what you need?
>>
>> On 22/07/2008, L=E1szl=F3 Monda <laci@monda.hu> wrote:
>>> On Thu, 2008-07-17 at 12:40 -0400, Mark Eichin wrote:
>>>> looks like you might want to use "stuff" to push the commands at a
>>>> normal screen that has a shell open (so that it runs them, and stays
>>>> interactive.)
>>> I don't think that "stuff" is capable of what I want to do. I basica=
lly
>>> want to write a script, like:
>>>
>>> new-screen-window ls
>>> new-screen-window du /
>>> new-screen-window my-script
>>>
>>> Where the new-screen-window utility opens new screen windows without
>>> jumping to them. I'd also like to specify the title of the individua=
l
>>> windows.
>>>
>>> --
>>> Laci <http://monda.hu>
>>>
>>>
>>>
>>> ---------------------------------------------------------------------=
---
>>>
>>> _______________________________________________
>>> screen-users mailing list
>>> screen-users@gnu.org
>>> http://lists.gnu.org/mailman/listinfo/screen-users
_______________________________________________
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From: =?ISO-8859-1?Q?L=E1szl=F3?= Monda <laci@monda.hu>
To: Gokdeniz Karadag <gokdenizk@gmail.com>,
davidcollins001 <davidcollins001@gmail.com>
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Subject: Re: Spawning commands inside interactive shells in new windows in
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Seems like I'm just ready with new-screen-window which I've just
attached.
=46rom now on we can easily do things, like:
new-screen-window new-window-title 'du -h /'
Thanks for David for kicking ass with his way of doing this and for
Gokdeniz for explaining me the newline issue.
Possible improvements that are encouraged by me, since I suck at bash:
* Make specifying the window title optional by using a -t option.
* Jump back to the original window where new-screen-window ran.
* Provide a -j option for jumping to the new window.
* Interpret the rest of the command line as $command without quoting.
On Thu, 2008-07-24 at 00:44 +0300, Gokdeniz Karadag wrote:
> In a console based text editor( I use vim) you can press on following thr=
ee keys;
> ctrl v enter
>=20
> This will embed a literal newline into the file, tested with the given sc=
ript.=20
> I'm not sure about embedding newlines with GUI editors.
>=20
> By the way, David's suggestion was very helpful, I realized I did not kno=
w=20
> about -p
>=20
> :)
>=20
>=20
> L=E1szl=F3 Monda demis ki::
> > Hi David,
> >=20
> > (David has allowed me to reply to his email publicly.)
> >=20
> > I think this is almost exactly what I need, but "^M" gets literally
> > quoted for me, just like as "\^M" or "\015".
> >=20
> > How can I put new line characters in there?
> >=20
> > Thanks!
> >=20
> > On Tue, 2008-07-22 at 09:10 +0100, davidcollins001@gmail.com wrote:
> >> I don't know if this will help you but I have a small script that will
> >> start up folding at home in a running screen session. Here is the
> >> basis of it
> >>
> >> $ cat screen.scpt
> >> screen -S desktop4 -X screen -t t1
> >> screen -S desktop4 -p t1 -X stuff 'cd /^M'
> >> screen -S desktop4 -p t1 -X stuff 'ls ^M'
> >> screen -S desktop4 -X screen -t t2
> >> screen -S desktop4 -p t2 -X stuff 'cd programming^M'
> >> screen -S desktop4 -p t2 -X stuff 'file *^M'
> >>
> >> It will open a new screen called 't1', select it, cd to / and ls it,
> >> then another called 't2' move into my programming folder and do a
> >> 'file' on the content.
> >>
> >> It seems like this might be the basis for what you need?
> >>
> >> On 22/07/2008, L=E1szl=F3 Monda <laci@monda.hu> wrote:
> >>> On Thu, 2008-07-17 at 12:40 -0400, Mark Eichin wrote:
> >>>> looks like you might want to use "stuff" to push the commands at a
> >>>> normal screen that has a shell open (so that it runs them, and stays
> >>>> interactive.)
> >>> I don't think that "stuff" is capable of what I want to do. I basica=
lly
> >>> want to write a script, like:
> >>>
> >>> new-screen-window ls
> >>> new-screen-window du /
> >>> new-screen-window my-script
> >>>
> >>> Where the new-screen-window utility opens new screen windows without
> >>> jumping to them. I'd also like to specify the title of the individua=
l
> >>> windows.
> >>>
> >>> --
> >>> Laci <http://monda.hu>
> >>>
> >>>
> >>>
> >>> ---------------------------------------------------------------------=
---
> >>>
> >>> _______________________________________________
> >>> screen-users mailing list
> >>> screen-users@gnu.org
> >>> http://lists.gnu.org/mailman/listinfo/screen-users
>=20
>=20
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
--=20
Laci <http://monda.hu>
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--===============1808730701==--
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Date: Thu, 24 Jul 2008 12:00:04 -0400
From: Sadrul Habib Chowdhury <imadil@gmail.com>
To: screen-users@gnu.org
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Subject: Scripting Support for Screen
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Hi. I started working on a lua script loader for screen last night. I am
quite happy with the progress so far. I would like to know what people
think about this kind of work. I discussed about this briefly with Micah
last night, and he also thought discussing this in the list would be
useful.
I will try to answer a few questions that might come up in advance:
* Where is the patchset?
- The current patchset is available at
http://www.pidgin.im/~sadrul/pp/scripting-lua/. The patches are against
the development version of screen
(http://git.savannah.gnu.org/gitweb/?p=screen.git)
* What's the goal?
- The goal right now is to allow executing some user-defined function
on specific events, e.g. when a window is closed, opened,
title/position changed, a display is detached etc. etc. easily, i.e.
without requiring a recompilation/reinstallation.
I started working on this mostly out of curiosity, to see where it
goes, and what cool things it might allow users to do. One use I have
in mind is to send some signal to the process in a window when it's not
visible in any of the displays, (and send another one when it becomes
visible for the first time). It doesn't make all that much sense to
implement such highly personalized features in screen itself.
I am sure people will find a lot of other interesting things to do.
* Why Lua?
- Because I like it!
To be perfectly honest, there was no compelling technical reason for me
to choose lua. I hadn't worked with lua bindings before, but I was told
it's much easier to work with than with some other scripting languages
(e.g. python!). I thought I would give it a try and find out.
* Why not guile?
- Because I haven't seen it before, and I wasn't aware of it until Micah
told me about it last night on IRC!
Note: with the patchset, it is possible to support multiple scripting
languages, either built-in at compile time (current), or dynamically
loaded on demand (not yet implemented, but possible semi-trivially.
[1] for details). So in theory, it will be possible to have none,
either or both lua and guile support. (and any other language someone
cares to write bindings for)
* What about the bloat?
- I would refer to the commit message at [1]
* Is there a sample script?
- Yes! http://www.pidgin.im/~sadrul/pp/scripting-lua/sc.lua
The 'fore_changed' function towards the end is the one that gets
executed when the foreground window for a display is changed. It prints
the list of windows (# and title), a message explaining the switch from
the previous window to the current one, and finally prints detailed
information about each display and its foreground window. The display
information includes the term, tty, user and the canvases.
* What are the current triggers/hooks?
- Right now, only changing the foreground window in a display will
trigger a function named 'fore_changed' in the lua script. I don't have
a complete list of hooks in mind yet. I plan on adding new hooks as the
need arises. Suggestions are very welcome!
I would love to know if people have any opinions, suggestions etc. about
this.
[1] http://www.pidgin.im/~sadrul/pp/scripting-lua/0003-Add-a-layer-of-abstraction-for-the-script-bindings.patch
Cheers,
Sadrul
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Johannes Weiner wrote:
> The trend I would like to see is not just extending screen with a
> powerful language but reducing the C code where possible by this
> language. Sort of like it's done with emacs (only that emacs was
> probably written to this design from the beginning, I assume).
>
> Because the more you do in extension language, the more powerful
> commands you can provide to the scripting interface.
>
> And the more your configuration file becomes a program on its own,
> written for the screen library :)
I agree with all of this.
I mentioned to Sadrul that I find Guile preferable (which would make
Screen decidedly Emacs-like); mainly because everything is an expression
(everything's a list), so you can use for-loops inside the dynamic value
for hardstatus, etc. As I've looked at our current String Escapes
support and the sorts of features people have been requesting in String
Escapes, it's becoming clear that the current state, and any additions
we make atop it, are an ugly hack that really wants to be full
expressive support. Rather than using %w and %W and adding flags to
change their behavior, and then being dissatisfied when we can't do what
we want (restrict to specific window flags, doing "odd/even" coloring of
window titles, add "blink" rendition to windows with the alert flag), we
should be looping over the windows and examining the attributes we want,
to generate the appropriate string.
Supplying "hooks" to screen as a C API would make it possible to tack on
any scripting lanuguage we choose, which is worth considering. However,
I'd like to see direct support for some scripting language within
screen; Guile looks like a good choice to me.
Your comments regarding "reducing C" are appropriate; though I'm not
sure I agree with it literally, as it might impede Screen's efficiency,
and adding as little crawl beyond the "real" terminal's processing time
is a worthwhile value. But having pretty much everything be
accomplishable via the scripting language seems desirable.
> Sort of like it's done with emacs (only that emacs was probably
> written to this design from the beginning, I assume).
GNU Emacs was designed this way from the beginning. But this was based
on the community's past experience with Emacs; the original Emacs
was not built around a Lisp engine. Instead, it was based on a very
clunky language, that was sort of incrementally hacked to support the
various whims of its users. It was a similar situation to our String
Escapes, in that the original language lacked looping constructs (it
looks like it may have been roughly similar to the "ed" set of line
editing commands) until loops were hacked in (as the < and > commands).
It was the experience of the user community trying to hack
programming-like applications in a non-programmer-friendly language that
led to the conclusion that the best way to go was to make an
Emacs with a full-fledged programming language at its heart. Bernie
Greenberg's Emacs for Multics was the first Lisp-based Emacs (it was
written entirely in Lisp).
(http://www.gnu.org/gnu/rms-lisp.html was the primary reference I used
for this information.)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Re: [screen-devel] Scripting Support for Screen
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On Thu, Jul 24, 2008 at 2:07 PM, Micah Cowan <micah@cowan.name> wrote:
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>
> Johannes Weiner wrote:
> > The trend I would like to see is not just extending screen with a
> > powerful language but reducing the C code where possible by this
> > language. Sort of like it's done with emacs (only that emacs was
> > probably written to this design from the beginning, I assume).
> >
> > Because the more you do in extension language, the more powerful
> > commands you can provide to the scripting interface.
> >
> > And the more your configuration file becomes a program on its own,
> > written for the screen library :)
>
> I agree with all of this.
>
> I mentioned to Sadrul that I find Guile preferable (which would make
> Screen decidedly Emacs-like); mainly because everything is an expression
> (everything's a list), so you can use for-loops inside the dynamic value
> for hardstatus, etc. As I've looked at our current String Escapes
> support and the sorts of features people have been requesting in String
> Escapes, it's becoming clear that the current state, and any additions
> we make atop it, are an ugly hack that really wants to be full
> expressive support. Rather than using %w and %W and adding flags to
> change their behavior, and then being dissatisfied when we can't do what
> we want (restrict to specific window flags, doing "odd/even" coloring of
> window titles, add "blink" rendition to windows with the alert flag), we
> should be looping over the windows and examining the attributes we want,
> to generate the appropriate string.
>
> Supplying "hooks" to screen as a C API would make it possible to tack on
> any scripting lanuguage we choose, which is worth considering. However,
> I'd like to see direct support for some scripting language within
> screen; Guile looks like a good choice to me.
>
> Your comments regarding "reducing C" are appropriate; though I'm not
> sure I agree with it literally, as it might impede Screen's efficiency,
> and adding as little crawl beyond the "real" terminal's processing time
> is a worthwhile value. But having pretty much everything be
> accomplishable via the scripting language seems desirable.
>
While I'm relatively new here I thought I'd throw in my 2 cents on the
matter. Having everything doable via scripting sounds good, but it should be
a situation where something is only done in scripting if you want to replace
the default so as to reduce the overhead for the people that just want to
use the defaults. Or as Micah pointed out, things that currently are handled
poorly, and would significantly benefit from scripting without adding too
much overhead (string escapes etc.).
As far as what language to use, I know lisp and guile and the like are
classic choices, but might it be a good idea to make it a language people
are likely to know outside of the context of scripting? I'm not saying it
has to be, but something in the python/perl/ruby/haskell family might be a
good idea if only because people know them well already. It's like the
experience with vim, it has a primary scripting language, which is different
from what most people know, which people used because it's what was there,
but finally python support went in and several complex extensions came into
existance which could not have otherwise. Just something to consider.
(NOTE: I'm not a python user personally, just used as an example)
> > Sort of like it's done with emacs (only that emacs was probably
> > written to this design from the beginning, I assume).
>
> GNU Emacs was designed this way from the beginning. But this was based
> on the community's past experience with Emacs; the original Emacs
> was not built around a Lisp engine. Instead, it was based on a very
> clunky language, that was sort of incrementally hacked to support the
> various whims of its users. It was a similar situation to our String
> Escapes, in that the original language lacked looping constructs (it
> looks like it may have been roughly similar to the "ed" set of line
> editing commands) until loops were hacked in (as the < and > commands).
> It was the experience of the user community trying to hack
> programming-like applications in a non-programmer-friendly language that
> led to the conclusion that the best way to go was to make an
> Emacs with a full-fledged programming language at its heart. Bernie
> Greenberg's Emacs for Multics was the first Lisp-based Emacs (it was
> written entirely in Lisp).
>
> (http://www.gnu.org/gnu/rms-lisp.html was the primary reference I used
> for this information.)
All of this is pretty correct, except that the gnu emacs we know was lisp
with a C core for a long time because redraw was impossible to write
efficiently enough in lisp for some reason. As such, when the program
entered that state, everything changed, and that's something that should
probably be avoided. Either have it be all scripted, or have it be a C core
which can be extended and modified from outside, but avoiding a situation
where most of the program is one way and certain parts are another, that
will just generate frustration and maintenance problems.
A final word here, bloat=bad.
I would really like to see scripting, but if it means an emacs-like
distribution of 100+ MB of scripting files and the generation of a program
which does everything well except what it was designed for, then the point
has been missed.
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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>
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr"><br><br><div class="gmail_quote">On Thu, Jul 24, 2008 at 2:07 PM, Micah Cowan &lt;<a href="mailto:micah@cowan.name">micah@cowan.name</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
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<div class="Ih2E3d"><br>
Johannes Weiner wrote:<br>
&gt; The trend I would like to see is not just extending screen with a<br>
&gt; powerful language but reducing the C code where possible by this<br>
&gt; language. &nbsp;Sort of like it&#39;s done with emacs (only that emacs was<br>
&gt; probably written to this design from the beginning, I assume).<br>
&gt;<br>
&gt; Because the more you do in extension language, the more powerful<br>
&gt; commands you can provide to the scripting interface.<br>
&gt;<br>
&gt; And the more your configuration file becomes a program on its own,<br>
&gt; written for the screen library :)<br>
<br>
</div>I agree with all of this.<br>
<br>
I mentioned to Sadrul that I find Guile preferable (which would make<br>
Screen decidedly Emacs-like); mainly because everything is an expression<br>
(everything&#39;s a list), so you can use for-loops inside the dynamic value<br>
for hardstatus, etc. As I&#39;ve looked at our current String Escapes<br>
support and the sorts of features people have been requesting in String<br>
Escapes, it&#39;s becoming clear that the current state, and any additions<br>
we make atop it, are an ugly hack that really wants to be full<br>
expressive support. Rather than using %w and %W and adding flags to<br>
change their behavior, and then being dissatisfied when we can&#39;t do what<br>
we want (restrict to specific window flags, doing &quot;odd/even&quot; coloring of<br>
window titles, add &quot;blink&quot; rendition to windows with the alert flag), we<br>
should be looping over the windows and examining the attributes we want,<br>
to generate the appropriate string.<br>
<br>
Supplying &quot;hooks&quot; to screen as a C API would make it possible to tack on<br>
any scripting lanuguage we choose, which is worth considering. However,<br>
I&#39;d like to see direct support for some scripting language within<br>
screen; Guile looks like a good choice to me.<br>
<br>
Your comments regarding &quot;reducing C&quot; are appropriate; though I&#39;m not<br>
sure I agree with it literally, as it might impede Screen&#39;s efficiency,<br>
and adding as little crawl beyond the &quot;real&quot; terminal&#39;s processing time<br>
is a worthwhile value. But having pretty much everything be<br>
accomplishable via the scripting language seems desirable.<br>
<div class="Ih2E3d"></div></blockquote><div>While I&#39;m relatively new here I thought I&#39;d throw in my 2 cents on the matter. Having everything doable via scripting sounds good, but it should be a situation where something is only done in scripting if you want to replace the default so as to reduce the overhead for the people that just want to use the defaults. Or as Micah pointed out, things that currently are handled poorly, and would significantly benefit from scripting without adding too much overhead (string escapes etc.).</div>
<div><br></div><div>As far as what language to use, I know lisp and guile and the like are classic choices, but might it be a good idea to make it a language people are likely to know outside of the context of scripting? I&#39;m not saying it has to be, but something in the python/perl/ruby/haskell family might be a good idea if only because people know them well already. &nbsp;It&#39;s like the experience with vim, it has a primary scripting language, which is different from what most people know, which people used because it&#39;s what was there, but finally python support went in and several complex extensions came into existance which could not have otherwise. &nbsp;Just something to consider. (NOTE: I&#39;m not a python user personally, just used as an example)</div>
<div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="Ih2E3d"><br>
&gt; Sort of like it&#39;s done with emacs (only that emacs was probably<br>
&gt; written to this design from the beginning, I assume).<br>
<br>
</div>GNU Emacs was designed this way from the beginning. But this was based<br>
on the community&#39;s past experience with Emacs; the original Emacs<br>
was not built around a Lisp engine. Instead, it was based on a very<br>
clunky language, that was sort of incrementally hacked to support the<br>
various whims of its users. It was a similar situation to our String<br>
Escapes, in that the original language lacked looping constructs (it<br>
looks like it may have been roughly similar to the &quot;ed&quot; set of line<br>
editing commands) until loops were hacked in (as the &lt; and &gt; commands).<br>
It was the experience of the user community trying to hack<br>
programming-like applications in a non-programmer-friendly language that<br>
led to the conclusion that the best way to go was to make an<br>
Emacs with a full-fledged programming language at its heart. Bernie<br>
Greenberg&#39;s Emacs for Multics was the first Lisp-based Emacs (it was<br>
written entirely in Lisp).<br>
<br>
(<a href="http://www.gnu.org/gnu/rms-lisp.html" target="_blank">http://www.gnu.org/gnu/rms-lisp.html</a> was the primary reference I used<br>
for this information.)</blockquote><div>&nbsp;</div><div>All of this is pretty correct, except that the gnu emacs we know was lisp with a C core for a long time because redraw was impossible to write efficiently enough in lisp for some reason. &nbsp;As such, when the program entered that state, everything changed, and that&#39;s something that should probably be avoided. &nbsp;Either have it be all scripted, or have it be a C core which can be extended and modified from outside, but avoiding a situation where most of the program is one way and certain parts are another, that will just generate frustration and maintenance problems.</div>
<div><br></div><div>A final word here, bloat=bad.</div><div><br></div><div>I would really like to see scripting, but if it means an emacs-like distribution of 100+ MB of scripting files and the generation of a program which does everything well except what it was designed for, then the point has been missed.</div>
<div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
- --<br>
Micah J. Cowan<br>
Programmer, musician, typesetting enthusiast, gamer,<br>
and GNU Wget Project Maintainer.<br>
<a href="http://micah.cowan.name/" target="_blank">http://micah.cowan.name/</a><br>
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<br>
</blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein
</div>
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Subject: Re: [screen-devel] Scripting Support for Screen
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Tom Scogland wrote:
>> While I'm relatively new here I thought I'd throw in my 2 cents on the
>> matter. Having everything doable via scripting sounds good, but it
>> should be a situation where something is only done in scripting if you
>> want to replace the default so as to reduce the overhead for the people
>> that just want to use the defaults. Or as Micah pointed out, things that
>> currently are handled poorly, and would significantly benefit from
>> scripting without adding too much overhead (string escapes etc.).
Right. That's essentially what Emacs does: use C implementations where
efficiency is important, but allow users to override with Lisp
>> As far as what language to use, I know lisp and guile and the like are
>> classic choices, but might it be a good idea to make it a language
>> people are likely to know outside of the context of scripting? I'm not
>> saying it has to be, but something in the python/perl/ruby/haskell
>> family might be a good idea if only because people know them well
>> already.
I'm not sure I agree on "people know them well" for Haskell. Scheme
/Lisp probably has a larger developer base than Haskell does.
The only reasons I prefer Guile over those, is (1) it's much more
straightforward to use complex constructs, such as loops, within an
expression, and (2) GNU recommends it as first choice for scripting in
GNU projects (it's a GNU project, so would be "eating our own dogfood").
What I mean about complex constructs in expressions, is that in many
other languages, iterative constructs such as for-loops are statements,
not expressions. So, for instance, setting "hardstatus" to an expression
that dynamically generates a string by iterating over the window-list is
straightforward. In some of other languages, it might be impossible.
Perl could do it, probably with grep and map; Python could probably do
something similar. It wouldn't be a problem in Haskell. I don't know
about Ruby. But I suspect only in Guile and Haskell would it look like
something other than a bit of a hack.
>> It's like the experience with vim, it has a primary scripting
>> language, which is different from what most people know, which people
>> used because it's what was there, but finally python support went in and
>> several complex extensions came into existance which could not have
>> otherwise. Just something to consider. (NOTE: I'm not a python user
>> personally, just used as an example)
AFAICT, that's more an argument for using a full-featured language, than
any particular language.
Part of the philosophy that went into creating Guile was that by
providing a powerful language, people could implement their favorite
languages in Scheme, and so people could work in whichever language they
like best. That sounds nice in theory, but as far as I know no one has
actually implemented their favorite languages in Guile, probably because
it wasn't worth the effort, so that's not much of a boon. :)
>> A final word here, bloat=bad.
>
>> I would really like to see scripting, but if it means an emacs-like
>> distribution of 100+ MB of scripting files and the generation of a
>> program which does everything well except what it was designed for, then
>> the point has been missed.
I disagree that Emacs doesn't excel at what it was designed for; but it
obviously excels at many things that are entirely unrelated to editing,
as well.
I suspect we don't have to worry too much about that for Screen; but
part of that may depend on how choosy we are about what we let into the
Screen distribution. For my part, I don't currently see any reason why
we would need to provide any Scheme code with Screen whatsoever, apart
from probably a sample ~/.screenrc.scm, and perhaps other example
scripts. Sure, a powerful programming language means that folks could
write "Towers of Hanoi" or an email client within Screen; but that
doesn't mean we have to include it. And anyway, why would they want to
do that when they could just do it in Emacs?
To be honest, implementing a Screen within Emacs makes almost as much
sense as giving Screen Emacs-like scriptability; Screen has already
duplicated quite a bit of Emacs' layout functionality and such, some of
it not yet as well as Emacs itself does it. But I doubt anyone's
interested in seeing that happen. :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Re: [screen-devel] Scripting Support for Screen
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Micah Cowan wrote:
> To be honest, implementing a Screen within Emacs makes almost as much
> sense as giving Screen Emacs-like scriptability
Come to think of it, that functionality more-or-less already exists;
"M-x term" within Emacs pretty much fits the bill.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Date: Thu, 24 Jul 2008 16:32:40 -0500
From: "Tom Scogland" <njustn@gmail.com>
To: "Micah Cowan" <micah@cowan.name>
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Cc: Screen development <screen-devel@gnu.org>, screen-users@gnu.org
Subject: Re: [screen-devel] Scripting Support for Screen
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On Thu, Jul 24, 2008 at 4:16 PM, Micah Cowan <micah@cowan.name> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Tom Scogland wrote:
> >> While I'm relatively new here I thought I'd throw in my 2 cents on the
> >> matter. Having everything doable via scripting sounds good, but it
> >> should be a situation where something is only done in scripting if you
> >> want to replace the default so as to reduce the overhead for the people
> >> that just want to use the defaults. Or as Micah pointed out, things that
> >> currently are handled poorly, and would significantly benefit from
> >> scripting without adding too much overhead (string escapes etc.).
>
> Right. That's essentially what Emacs does: use C implementations where
> efficiency is important, but allow users to override with Lisp
>
> >> As far as what language to use, I know lisp and guile and the like are
> >> classic choices, but might it be a good idea to make it a language
> >> people are likely to know outside of the context of scripting? I'm not
> >> saying it has to be, but something in the python/perl/ruby/haskell
> >> family might be a good idea if only because people know them well
> >> already.
>
> I'm not sure I agree on "people know them well" for Haskell. Scheme
> /Lisp probably has a larger developer base than Haskell does.
Very true, haskell was a bad example, but the point remains the same.
>
>
> The only reasons I prefer Guile over those, is (1) it's much more
> straightforward to use complex constructs, such as loops, within an
> expression, and (2) GNU recommends it as first choice for scripting in
> GNU projects (it's a GNU project, so would be "eating our own dogfood").
>
> What I mean about complex constructs in expressions, is that in many
> other languages, iterative constructs such as for-loops are statements,
> not expressions. So, for instance, setting "hardstatus" to an expression
> that dynamically generates a string by iterating over the window-list is
> straightforward. In some of other languages, it might be impossible.
> Perl could do it, probably with grep and map; Python could probably do
> something similar. It wouldn't be a problem in Haskell. I don't know
> about Ruby. But I suspect only in Guile and Haskell would it look like
> something other than a bit of a hack.
Generally that might be true, but there are lambdas and the like as well as
'map' in perl and python. If the consensus is guile, that's fine, and
you're absolutely right about it making sense for a gnu project, it's just
that there are many people who are uncomfortable with, or even militantly
opposed to, lisp based languages.
>
>
> >> It's like the experience with vim, it has a primary scripting
> >> language, which is different from what most people know, which people
> >> used because it's what was there, but finally python support went in and
> >> several complex extensions came into existance which could not have
> >> otherwise. Just something to consider. (NOTE: I'm not a python user
> >> personally, just used as an example)
>
> AFAICT, that's more an argument for using a full-featured language, than
> any particular language.
> Part of the philosophy that went into creating Guile was that by
> providing a powerful language, people could implement their favorite
> languages in Scheme, and so people could work in whichever language they
> like best. That sounds nice in theory, but as far as I know no one has
> actually implemented their favorite languages in Guile, probably because
> it wasn't worth the effort, so that's not much of a boon. :)
Agreed.
>
>
> >> A final word here, bloat=bad.
> >
> >> I would really like to see scripting, but if it means an emacs-like
> >> distribution of 100+ MB of scripting files and the generation of a
> >> program which does everything well except what it was designed for, then
> >> the point has been missed.
>
> I disagree that Emacs doesn't excel at what it was designed for; but it
> obviously excels at many things that are entirely unrelated to editing,
> as well.
To clarify, I don't think emacs is necessarily bad at what it's meant for,
but it's easy to fall into that trap when you can do anything in the
program. For that matter it's easy to get into a pattern of adding more
features instead of improving the existing ones, something of which many
projects are guilty but it's best to avoid if possible.
>
>
> I suspect we don't have to worry too much about that for Screen; but
> part of that may depend on how choosy we are about what we let into the
> Screen distribution. For my part, I don't currently see any reason why
> we would need to provide any Scheme code with Screen whatsoever, apart
> from probably a sample ~/.screenrc.scm, and perhaps other example
> scripts. Sure, a powerful programming language means that folks could
> write "Towers of Hanoi" or an email client within Screen; but that
> doesn't mean we have to include it. And anyway, why would they want to
> do that when they could just do it in Emacs?
>
> To be honest, implementing a Screen within Emacs makes almost as much
> sense as giving Screen Emacs-like scriptability; Screen has already
> duplicated quite a bit of Emacs' layout functionality and such, some of
> it not yet as well as Emacs itself does it. But I doubt anyone's
> interested in seeing that happen. :)
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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> _______________________________________________
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> http://lists.gnu.org/mailman/listinfo/screen-users
>
One way or another, I think any way this gets done will put the project
ahead of where it is. For that matter I'm glad to see so much life back in
this list. =)
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr"><br><br><div class="gmail_quote">On Thu, Jul 24, 2008 at 4:16 PM, Micah Cowan &lt;<a href="mailto:micah@cowan.name">micah@cowan.name</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="Ih2E3d">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<br>
</div><div class="Ih2E3d">Tom Scogland wrote:<br>
&gt;&gt; While I&#39;m relatively new here I thought I&#39;d throw in my 2 cents on the<br>
&gt;&gt; matter. Having everything doable via scripting sounds good, but it<br>
&gt;&gt; should be a situation where something is only done in scripting if you<br>
&gt;&gt; want to replace the default so as to reduce the overhead for the people<br>
&gt;&gt; that just want to use the defaults. Or as Micah pointed out, things that<br>
&gt;&gt; currently are handled poorly, and would significantly benefit from<br>
&gt;&gt; scripting without adding too much overhead (string escapes etc.).<br>
<br>
</div>Right. That&#39;s essentially what Emacs does: use C implementations where<br>
efficiency is important, but allow users to override with Lisp<br>
<div class="Ih2E3d"><br>
&gt;&gt; As far as what language to use, I know lisp and guile and the like are<br>
&gt;&gt; classic choices, but might it be a good idea to make it a language<br>
&gt;&gt; people are likely to know outside of the context of scripting? I&#39;m not<br>
&gt;&gt; saying it has to be, but something in the python/perl/ruby/haskell<br>
&gt;&gt; family might be a good idea if only because people know them well<br>
&gt;&gt; already.<br>
<br>
</div>I&#39;m not sure I agree on &quot;people know them well&quot; for Haskell. Scheme<br>
/Lisp probably has a larger developer base than Haskell does.</blockquote><div>Very true, haskell was a bad example, but the point remains the same. &nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
<br>
The only reasons I prefer Guile over those, is (1) it&#39;s much more<br>
straightforward to use complex constructs, such as loops, within an<br>
expression, and (2) GNU recommends it as first choice for scripting in<br>
GNU projects (it&#39;s a GNU project, so would be &quot;eating our own dogfood&quot;).<br>
<br>
What I mean about complex constructs in expressions, is that in many<br>
other languages, iterative constructs such as for-loops are statements,<br>
not expressions. So, for instance, setting &quot;hardstatus&quot; to an expression<br>
that dynamically generates a string by iterating over the window-list is<br>
straightforward. In some of other languages, it might be impossible.<br>
Perl could do it, probably with grep and map; Python could probably do<br>
something similar. It wouldn&#39;t be a problem in Haskell. I don&#39;t know<br>
about Ruby. But I suspect only in Guile and Haskell would it look like<br>
something other than a bit of a hack.</blockquote><div>Generally that might be true, but there are lambdas and the like as well as &#39;map&#39; in perl and python. &nbsp;If the consensus is guile, that&#39;s fine, and you&#39;re absolutely right about it making sense for a gnu project, it&#39;s just that there are many people who are uncomfortable with, or even militantly opposed to, lisp based languages.</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
<div class="Ih2E3d"><br>
&gt;&gt; It&#39;s like the experience with vim, it has a primary scripting<br>
&gt;&gt; language, which is different from what most people know, which people<br>
&gt;&gt; used because it&#39;s what was there, but finally python support went in and<br>
&gt;&gt; several complex extensions came into existance which could not have<br>
&gt;&gt; otherwise. &nbsp;Just something to consider. (NOTE: I&#39;m not a python user<br>
&gt;&gt; personally, just used as an example)<br>
<br>
</div>AFAICT, that&#39;s more an argument for using a full-featured language, than<br>
any particular language.</blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>
Part of the philosophy that went into creating Guile was that by<br>
providing a powerful language, people could implement their favorite<br>
languages in Scheme, and so people could work in whichever language they<br>
like best. That sounds nice in theory, but as far as I know no one has<br>
actually implemented their favorite languages in Guile, probably because<br>
it wasn&#39;t worth the effort, so that&#39;s not much of a boon. :)</blockquote><div>Agreed.&nbsp;</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
<div class="Ih2E3d"><br>
&gt;&gt; A final word here, bloat=bad.<br>
&gt;<br>
&gt;&gt; I would really like to see scripting, but if it means an emacs-like<br>
&gt;&gt; distribution of 100+ MB of scripting files and the generation of a<br>
&gt;&gt; program which does everything well except what it was designed for, then<br>
&gt;&gt; the point has been missed.<br>
<br>
</div>I disagree that Emacs doesn&#39;t excel at what it was designed for; but it<br>
obviously excels at many things that are entirely unrelated to editing,<br>
as well.</blockquote><div>To clarify, I don&#39;t think emacs is necessarily bad at what it&#39;s meant for, but it&#39;s easy to fall into that trap when you can do anything in the program. For that matter it&#39;s easy to get into a pattern of adding more features instead of improving the existing ones, something of which many projects are guilty but it&#39;s best to avoid if possible.</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
<br>
I suspect we don&#39;t have to worry too much about that for Screen; but<br>
part of that may depend on how choosy we are about what we let into the<br>
Screen distribution. For my part, I don&#39;t currently see any reason why<br>
we would need to provide any Scheme code with Screen whatsoever, apart<br>
from probably a sample ~/.screenrc.scm, and perhaps other example<br>
scripts. Sure, a powerful programming language means that folks could<br>
write &quot;Towers of Hanoi&quot; or an email client within Screen; but that<br>
doesn&#39;t mean we have to include it. And anyway, why would they want to<br>
do that when they could just do it in Emacs?<br>
<br>
To be honest, implementing a Screen within Emacs makes almost as much<br>
sense as giving Screen Emacs-like scriptability; Screen has already<br>
duplicated quite a bit of Emacs&#39; layout functionality and such, some of<br>
it not yet as well as Emacs itself does it. But I doubt anyone&#39;s<br>
interested in seeing that happen. :)<br>
<div class="Ih2E3d"><br>
- --<br>
Micah J. Cowan<br>
Programmer, musician, typesetting enthusiast, gamer,<br>
and GNU Wget Project Maintainer.<br>
<a href="http://micah.cowan.name/" target="_blank">http://micah.cowan.name/</a><br>
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</div></div></blockquote></div><br>One way or another, I think any way this gets done will put the project ahead of where it is. &nbsp;For that matter I&#39;m glad to see so much life back in this list. =)<br clear="all"><br>
-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>-Albert Einstein
</div>
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Subject: Re: [screen-devel] Scripting Support for Screen
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Micah Cowan <micah@cowan.name> writes:
> Micah Cowan wrote:
>> To be honest, implementing a Screen within Emacs makes almost as much
>> sense as giving Screen Emacs-like scriptability
>
> Come to think of it, that functionality more-or-less already exists;
> "M-x term" within Emacs pretty much fits the bill.
Combined with wicos.el (or one of the more modern versions, escreen I
think?) you get the switch-screens-in-this-window part too. The thing
you probably don't get is talks-to-serial-ports :-)
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From: "Dan Mahoney, System Admin" <danm@prime.gushi.org>
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Subject: Two little features (and a bounty?)
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Hey all,
I need two features added to screen, but I'm not a coder. I can (and
have) discussed on this list, as well as having seen these features
justified and explained on mailing lists before, but I don't believe they
work at this time.
1) Make printing work. And by that I mean make it work JUST as it would
work without screen, i.e. not "buffer" and send a bunch of printer
stop/start sequences every 30 characters -- many SSH applications
interpret that stop sequence as a page feed.
2) Make mouse work. I haven't seen much with this.
I'm willing to toss something monetary at a developer or developers who
can look at this and make it happen.
Any takers?
-Dan Mahoney
--
"It would be bad."
-Egon Spengler, "Ghostbusters"
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
---------------------------
_______________________________________________
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From: "Tom Scogland" <njustn@gmail.com>
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What do you mean about the mouse? It already sends mouse codes through from
a terminal...
On Thu, Jul 24, 2008 at 5:39 PM, Dan Mahoney, System Admin <
danm@prime.gushi.org> wrote:
> Hey all,
>
> I need two features added to screen, but I'm not a coder. I can (and have)
> discussed on this list, as well as having seen these features justified and
> explained on mailing lists before, but I don't believe they work at this
> time.
>
> 1) Make printing work. And by that I mean make it work JUST as it would
> work without screen, i.e. not "buffer" and send a bunch of printer
> stop/start sequences every 30 characters -- many SSH applications interpret
> that stop sequence as a page feed.
>
> 2) Make mouse work. I haven't seen much with this.
>
> I'm willing to toss something monetary at a developer or developers who can
> look at this and make it happen.
>
> Any takers?
>
> -Dan Mahoney
>
> --
>
> "It would be bad."
>
> -Egon Spengler, "Ghostbusters"
>
> --------Dan Mahoney--------
> Techie, Sysadmin, WebGeek
> Gushi on efnet/undernet IRC
> ICQ: 13735144 AIM: LarpGM
> Site: http://www.gushi.org
> ---------------------------
>
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr">What do you mean about the mouse? It already sends mouse codes through from a terminal...<br><br><div class="gmail_quote">On Thu, Jul 24, 2008 at 5:39 PM, Dan Mahoney, System Admin &lt;<a href="mailto:danm@prime.gushi.org">danm@prime.gushi.org</a>&gt; wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hey all,<br>
<br>
I need two features added to screen, but I&#39;m not a coder. &nbsp;I can (and have) discussed on this list, as well as having seen these features justified and explained on mailing lists before, but I don&#39;t believe they work at this time.<br>
<br>
1) Make printing work. &nbsp;And by that I mean make it work JUST as it would work without screen, i.e. not &quot;buffer&quot; and send a bunch of printer stop/start sequences every 30 characters -- many SSH applications interpret that stop sequence as a page feed.<br>
<br>
2) Make mouse work. &nbsp;I haven&#39;t seen much with this.<br>
<br>
I&#39;m willing to toss something monetary at a developer or developers who can look at this and make it happen.<br>
<br>
Any takers?<br>
<br>
-Dan Mahoney<br>
<br>
-- <br>
<br>
&quot;It would be bad.&quot;<br>
<br>
-Egon Spengler, &quot;Ghostbusters&quot;<br>
<br>
--------Dan Mahoney--------<br>
Techie, &nbsp;Sysadmin, &nbsp;WebGeek<br>
Gushi on efnet/undernet IRC<br>
ICQ: 13735144 &nbsp; AIM: LarpGM<br>
Site: &nbsp;<a href="http://www.gushi.org" target="_blank">http://www.gushi.org</a><br>
---------------------------<br>
<br>
<br>
<br>
_______________________________________________<br>
screen-users mailing list<br>
<a href="mailto:screen-users@gnu.org" target="_blank">screen-users@gnu.org</a><br>
<a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
</blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein
</div>
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Perhaps he's referring to the fact that it won't work until the
application requests mouse tracking, and several applications don't
request mouse tracking from screen.
If that's the case, there's really nothing we can do until terminfo
supports a way of advertising DEC/xterm mouse capabilities (kmous
doesn't really cut it).
I'd need more info on the printing stuff, as I never use it. I assume
we're talking about the Print Window / Redirect to Printer feature Xterm
has, that's tracked at https://savannah.gnu.org/bugs/?17310. I don't
know enough to even know whether it's even practical to "fix" screen for
use with that, but a monetary incentive for fixing it would at least
motivate me to dig in a bit more (TBH, without that incentive it drops
to the bottom of my to-do list: not enough demand AFAICT).
- -Micah
Tom Scogland wrote:
> What do you mean about the mouse? It already sends mouse codes through
> from a terminal...
>
> On Thu, Jul 24, 2008 at 5:39 PM, Dan Mahoney, System Admin
> <danm@prime.gushi.org <mailto:danm@prime.gushi.org>> wrote:
>
> Hey all,
>
> I need two features added to screen, but I'm not a coder. I can
> (and have) discussed on this list, as well as having seen these
> features justified and explained on mailing lists before, but I
> don't believe they work at this time.
>
> 1) Make printing work. And by that I mean make it work JUST as it
> would work without screen, i.e. not "buffer" and send a bunch of
> printer stop/start sequences every 30 characters -- many SSH
> applications interpret that stop sequence as a page feed.
>
> 2) Make mouse work. I haven't seen much with this.
>
> I'm willing to toss something monetary at a developer or developers
> who can look at this and make it happen.
>
> Any takers?
>
> -Dan Mahoney
>
> --
>
> "It would be bad."
>
> -Egon Spengler, "Ghostbusters"
>
> --------Dan Mahoney--------
> Techie, Sysadmin, WebGeek
> Gushi on efnet/undernet IRC
> ICQ: 13735144 AIM: LarpGM
> Site: http://www.gushi.org
> ---------------------------
>
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org <mailto:screen-users@gnu.org>
> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
>
>
> --
> -N
> AKA:Tom Scogland
> I am enough of an artist to draw freely upon my imagination. Imagination
> is more important than knowledge. Knowledge is limited. Imagination
> encircles the world.
> -Albert Einstein
>
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Johannes Weiner wrote:
> Hi,
>
> Micah Cowan <micah@cowan.name> writes:
>
>> Micah Cowan wrote:
>>> To be honest, implementing a Screen within Emacs makes almost as much
>>> sense as giving Screen Emacs-like scriptability
>> Come to think of it, that functionality more-or-less already exists;
>> "M-x term" within Emacs pretty much fits the bill.
>
> Only a dumb terminal, though :(
Nope. M-x terminal is the dumb terminal. M-x term gives a fully-emulated
terminal ("eterm").
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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To: Tom Scogland <njustn@gmail.com>
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Subject: Re: Two little features (and a bounty?)
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On Thu, 24 Jul 2008, Tom Scogland wrote:
> What do you mean about the mouse? It already sends mouse codes through from a terminal...
Using gnome-terminal under linux, to a FreeBSD 6.2 system. Mouse works.
I fire up screen (with screen 4.00.02 (FAU) 5-Dec-03 built from ports) and
it doesn't in either Alpine or Nano, both of which otherwise support it.
Unlike printing, I don't know what terminal codes to look for to know if
the mouse is supported.
-Dan
>
> On Thu, Jul 24, 2008 at 5:39 PM, Dan Mahoney, System Admin <danm@prime.gushi.org> wrote:
> Hey all,
>
> I need two features added to screen, but I'm not a coder. I can (and have) discussed on this list, as well as having seen these features justified
> and explained on mailing lists before, but I don't believe they work at this time.
>
> 1) Make printing work. And by that I mean make it work JUST as it would work without screen, i.e. not "buffer" and send a bunch of printer
> stop/start sequences every 30 characters -- many SSH applications interpret that stop sequence as a page feed.
>
> 2) Make mouse work. I haven't seen much with this.
>
> I'm willing to toss something monetary at a developer or developers who can look at this and make it happen.
>
> Any takers?
>
> -Dan Mahoney
>
> --
>
> "It would be bad."
>
> -Egon Spengler, "Ghostbusters"
>
> --------Dan Mahoney--------
> Techie, Sysadmin, WebGeek
> Gushi on efnet/undernet IRC
> ICQ: 13735144 AIM: LarpGM
> Site: http://www.gushi.org
> ---------------------------
>
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
>
>
> --
> -N
> AKA:Tom Scogland
> I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the
> world.
> -Albert Einstein
>
>
--
"I am a professional drinker, and I know that that was NOT Jose Cuervo!"
"Well, what was it then?"
"I think it was some mixture of Rubbing Alcohol, and Desenex(TM) Foot
Powder, because my feet feel okay, and my back doesn't hurt, but my
stomach is killing me!"
-Dan Mahoney, Costa Rica, August 12th, 1994
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
---------------------------
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Dan Mahoney, System Admin wrote:
> On Thu, 24 Jul 2008, Tom Scogland wrote:
>
>> What do you mean about the mouse? It already sends mouse codes through
>> from a terminal...
>
> Using gnome-terminal under linux, to a FreeBSD 6.2 system. Mouse works.
>
> I fire up screen (with screen 4.00.02 (FAU) 5-Dec-03 built from ports)
> and it doesn't in either Alpine or Nano, both of which otherwise support
> it.
Nano works for me, at least after I type M-m. It doesn't work outside of
screen unless I type M-m, either.
I don't have Alpine.
But as previously mentioned, the problem isn't that screen doesn't
support terminal mouse codes; the problem is that there is no mechanism
for screen to advertise to applications that it supports it, and so many
applications won't send the codes to request that support.
This is a terminfo issue, and I hope at some point to get together with
the ncurses folks and whoever else it might concern, to work towards
resolution of this problem, and some others. However, it's not going to
happen overnight, and every mouse-capable application will need to
adjust to that mechanism, once it exists.
I have been successfully using both Emacs and Vim under screen with
mouse support. Both required configuration adjustments to make it happen.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Re: Two little features (and a bounty?)
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On Thu, 24 Jul 2008, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Perhaps he's referring to the fact that it won't work until the
> application requests mouse tracking, and several applications don't
> request mouse tracking from screen.
Is there a way to trace if this is happening? I've given you the
applications I use. Micah, I've been a user and advocate of wget for many
years. If you would like a shell, please let me know.
> If that's the case, there's really nothing we can do until terminfo
> supports a way of advertising DEC/xterm mouse capabilities (kmous
> doesn't really cut it).
..if (windowtitle =~ /^nano/) { set sendmouseevents = 1; } would suffice
just fine. Or just give us an option to toggle mouse events on or off by
default. Or a ctrl-a :mouseon! My xterm doesn't know what on the other
end of an SSH session is requesting or not, it just happily sends the
click events down the pipe. Aware applications use them. Unaware apps
discard them.
> I'd need more info on the printing stuff, as I never use it. I assume
> we're talking about the Print Window / Redirect to Printer feature Xterm
> has, that's tracked at https://savannah.gnu.org/bugs/?17310. I don't
> know enough to even know whether it's even practical to "fix" screen for
> use with that, but a monetary incentive for fixing it would at least
> motivate me to dig in a bit more (TBH, without that incentive it drops
> to the bottom of my to-do list: not enough demand AFAICT).
http://www.mail-archive.com/screen-users@gnu.org/msg01387.html
Additionally to the requests I've made there -- a possible option is to
disable the window-switching commands (in fact, disable ctrl-a entirely so
the screen switching doesn't hose the print job -- but in reality the
print comes over the wire so fast it's done in a second, on any modern
connection).
Contact me out of band to discuss further if you want to pursue this
route.
-Dan Mahoney
>> Hey all,
>>
>> I need two features added to screen, but I'm not a coder. I can
>> (and have) discussed on this list, as well as having seen these
>> features justified and explained on mailing lists before, but I
>> don't believe they work at this time.
>>
>> 1) Make printing work. And by that I mean make it work JUST as it
>> would work without screen, i.e. not "buffer" and send a bunch of
>> printer stop/start sequences every 30 characters -- many SSH
>> applications interpret that stop sequence as a page feed.
>>
>> 2) Make mouse work. I haven't seen much with this.
>>
>> I'm willing to toss something monetary at a developer or developers
>> who can look at this and make it happen.
>>
>> Any takers?
>>
>> -Dan Mahoney
>>
>> --
>>
>> "It would be bad."
>>
>> -Egon Spengler, "Ghostbusters"
>>
>> --------Dan Mahoney--------
>> Techie, Sysadmin, WebGeek
>> Gushi on efnet/undernet IRC
>> ICQ: 13735144 AIM: LarpGM
>> Site: http://www.gushi.org
>> ---------------------------
>>
>>
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org <mailto:screen-users@gnu.org>
>> http://lists.gnu.org/mailman/listinfo/screen-users
>>
>>
>>
>>
>> --
>> -N
>> AKA:Tom Scogland
>> I am enough of an artist to draw freely upon my imagination. Imagination
>> is more important than knowledge. Knowledge is limited. Imagination
>> encircles the world.
>> -Albert Einstein
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org
>> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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--
"When I'm lost, and confused, and trying to make a U-turn, nothing annoys
me more than someone telling me to watch out for the tombstone!"
"How often does that happen, Fab?"
-David Feld & Tom Fabry, sometime in High School.
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
---------------------------
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(My Thunderbird screws up the quoting, yours appear "deeper" than mine.)
Dan Mahoney, System Admin wrote:
> On Thu, 24 Jul 2008, Micah Cowan wrote:
>
> Perhaps he's referring to the fact that it won't work until the
> application requests mouse tracking, and several applications don't
> request mouse tracking from screen.
>
>> Is there a way to trace if this is happening? I've given you the
>> applications I use. Micah, I've been a user and advocate of wget for
>> many years. If you would like a shell, please let me know.
Well, if you activate logging in the screen window, you can check for
the presence of the "send mouse codes" request sequence. It'll be one of
\E9h, \E1000h, or \E1001h.
> If that's the case, there's really nothing we can do until terminfo
> supports a way of advertising DEC/xterm mouse capabilities (kmous
> doesn't really cut it).
>
>> ..if (windowtitle =~ /^nano/) { set sendmouseevents = 1; } would suffice
>> just fine. Or just give us an option to toggle mouse events on or off
>> by default. Or a ctrl-a :mouseon! My xterm doesn't know what on the
>> other end of an SSH session is requesting or not, it just happily sends
>> the click events down the pipe. Aware applications use them. Unaware
>> apps discard them.
That's unlikely to be true. The applications on the other end of the SSH
tunnel requested the click events, first (based on the TERM env var
having something like "xterm" in it: they check for that value
explicitly, but usually don't recognize "screen" as a mouse-capable term
name). Try running your ssh session under script, and check for the
\E1001h, etc, sequences, in the resulting typescript.
You've mentioned Nano, but that actually works for me (it uses ncurses,
which assumes decent mouse support if kmous is advertised, which screen
does), so long as mouse support has been enabled ("nano -m" or typing
M-m). I know that Vim and some other apps do an explicit check for the
value of TERM, though, which is why they can't be resolved without
configuration adjustments.
Blanket sending of mouse codes without them being requested is bad
behavior, and would result in spewing codes to the screen in some cases
(say, when you suspend nano to work in your shell). The application has
to be expecting them.
> I'd need more info on the printing stuff, as I never use it. I assume
> we're talking about the Print Window / Redirect to Printer feature Xterm
> has, that's tracked at https://savannah.gnu.org/bugs/?17310. I don't
> know enough to even know whether it's even practical to "fix" screen for
> use with that, but a monetary incentive for fixing it would at least
> motivate me to dig in a bit more (TBH, without that incentive it drops
> to the bottom of my to-do list: not enough demand AFAICT).
>
>> http://www.mail-archive.com/screen-users@gnu.org/msg01387.html
Hm, that doesn't look unachievable. :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Date: Fri, 25 Jul 2008 01:08:54 +0100
From: Thomas Adam <thomas.adam22@gmail.com>
To: Micah Cowan <micah@cowan.name>
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On Thu, 24 Jul 2008 16:43:24 -0700
Micah Cowan <micah@cowan.name> wrote:
> I have been successfully using both Emacs and Vim under screen with
> mouse support. Both required configuration adjustments to make it
> happen.
Can you share this information, please? Sounds interesting. :)
-- Thomas Adam
--
"It was the cruelest game I've ever played and it's played inside my
head." -- "Hush The Warmth", Gorky's Zygotic Mynci.
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Thomas Adam wrote:
> On Thu, 24 Jul 2008 16:43:24 -0700
> Micah Cowan <micah@cowan.name> wrote:
>> I have been successfully using both Emacs and Vim under screen with
>> mouse support. Both required configuration adjustments to make it
>> happen.
>
> Can you share this information, please? Sounds interesting. :)
FWIW, I submitted a patch against Vim at one point to enable it
automatically. Bram said it looked good, but hasn't applied it yet
AFAIK. However, it has been applied against Vim in recent Ubuntu releases.
https://bugs.launchpad.net/debian/+source/screen/+bug/113227
In my .vimrc for other Vims, I have:
if &term == 'screen'
set mouse=nic
set ttymouse=xterm2
endif
(you might want "set mouse=a", or some other setting, above).
In my .emacs, I have:
(require 'xt-mouse)
(xterm-mouse-mode t)
(mouse-wheel-mode t)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Re: [screen-devel] Scripting Support for Screen
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On Thu, Jul 24, 2008 at 02:16:30PM -0700, Micah Cowan wrote:
> I'm not sure I agree on "people know them well" for Haskell. Scheme
> /Lisp probably has a larger developer base than Haskell does.
Last time I looked, on Freenode, #haskell has around double the number
of people that #scheme has. While I think more people know *of*
Scheme and Lisp and understand the basics, my impression is that there
is a lot more people actively writing Haskell every day than there are
people actively writing Scheme every day.
However, I wouldn't recommend Haskell as an extension language for an
existing C-based application -- Haskell isn't designed for that role.
(cf. Lua was designed for *exactly* that role.)
> The only reasons I prefer Guile over those, is (1) it's much more
> straightforward to use complex constructs, such as loops, within an
> expression, and (2) GNU recommends it as first choice for scripting in
> GNU projects (it's a GNU project, so would be "eating our own dogfood").
How many *active* projects use guile as an extension language, and
aren't trying to get rid of it? How large is the guile user community
(people writing code and libraries in guile)? How active is the guile
developer community (people improving guile itself)?
My impression is that *nobody* likes Guile. At all. Over the years,
I've met *one* guile user who actively advocated it, and about twelve
months ago he learned CL and admitted that he liked that much better.
>>> I would really like to see scripting, but if it means an
>>> emacs-like distribution of 100+ MB of scripting files and the
>>> generation of a program which does everything well except what it
>>> was designed for, then the point has been missed.
$ printf '%s\t%s\n' `grep-aptavail -sInstalled-Size,Package -S --regex ^emacs22 | cut -d: -f 2`
412 emacs22-bin-common
4032 emacs22-common-non-dfsg
7120 emacs22-nox
7548 emacs22
7548 emacs22-gtk
13264 emacs22-el
51780 emacs22-common
emacs22, emacs22-nox and emacs22-gtk are alternative front-ends, so
the smaller two can be ignored in the count. The emacs22-el package
is not used (since emacs22-common contains the byte-compiled
versions), so it can also be ignored. Arguably most of emacs22-common
should also be ignored, since it mostly constitutes applications that
are written on top of Emacs and aren't needed by Emacs itself. Even
if you count it, that's a total of (+ 412 4032 7548 51780) ==> 64MB,
not "100+ MB".
There's no real reason emacs22-common couldn't be split up into the
"core" files needed to run Emacs itself, plus a separate package for
applications. This isn't done because in general, nobody really cares
about wasting 50MB of disk space.
> I suspect we don't have to worry too much about that for Screen; but
> part of that may depend on how choosy we are about what we let into the
> Screen distribution. For my part, I don't currently see any reason why
> we would need to provide any Scheme code with Screen whatsoever, apart
> from probably a sample ~/.screenrc.scm, and perhaps other example
> scripts. Sure, a powerful programming language means that folks could
> write "Towers of Hanoi" or an email client within Screen; but that
> doesn't mean we have to include it. And anyway, why would they want to
> do that when they could just do it in Emacs?
>
> To be honest, implementing a Screen within Emacs makes almost as
> much sense as giving Screen Emacs-like scriptability; Screen has
> already duplicated quite a bit of Emacs' layout functionality and
> such, some of it not yet as well as Emacs itself does it. But I
> doubt anyone's interested in seeing that happen. :)
ElScreen is an Emacs window session manager modeled after GNU screen
by NaotoMorishima, http://www.emacswiki.org/cgi-bin/wiki.pl?ElScreen
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From: "Tom Scogland" <njustn@gmail.com>
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On Thu, Jul 24, 2008 at 8:22 PM, Trent W. Buck <trentbuck@gmail.com> wrote:
> On Thu, Jul 24, 2008 at 02:16:30PM -0700, Micah Cowan wrote:
> > I'm not sure I agree on "people know them well" for Haskell. Scheme
> > /Lisp probably has a larger developer base than Haskell does.
>
> Last time I looked, on Freenode, #haskell has around double the number
> of people that #scheme has. While I think more people know *of*
> Scheme and Lisp and understand the basics, my impression is that there
> is a lot more people actively writing Haskell every day than there are
> people actively writing Scheme every day.
>
> However, I wouldn't recommend Haskell as an extension language for an
> existing C-based application -- Haskell isn't designed for that role.
> (cf. Lua was designed for *exactly* that role.)
>
> > The only reasons I prefer Guile over those, is (1) it's much more
> > straightforward to use complex constructs, such as loops, within an
> > expression, and (2) GNU recommends it as first choice for scripting in
> > GNU projects (it's a GNU project, so would be "eating our own dogfood").
>
> How many *active* projects use guile as an extension language, and
> aren't trying to get rid of it? How large is the guile user community
> (people writing code and libraries in guile)? How active is the guile
> developer community (people improving guile itself)?
>
> My impression is that *nobody* likes Guile. At all. Over the years,
> I've met *one* guile user who actively advocated it, and about twelve
> months ago he learned CL and admitted that he liked that much better.
>
> >>> I would really like to see scripting, but if it means an
> >>> emacs-like distribution of 100+ MB of scripting files and the
> >>> generation of a program which does everything well except what it
> >>> was designed for, then the point has been missed.
>
> $ printf '%s\t%s\n' `grep-aptavail -sInstalled-Size,Package -S --regex
> ^emacs22 | cut -d: -f 2`
> 412 emacs22-bin-common
> 4032 emacs22-common-non-dfsg
> 7120 emacs22-nox
> 7548 emacs22
> 7548 emacs22-gtk
> 13264 emacs22-el
> 51780 emacs22-common
>
> emacs22, emacs22-nox and emacs22-gtk are alternative front-ends, so
> the smaller two can be ignored in the count. The emacs22-el package
> is not used (since emacs22-common contains the byte-compiled
> versions), so it can also be ignored. Arguably most of emacs22-common
> should also be ignored, since it mostly constitutes applications that
> are written on top of Emacs and aren't needed by Emacs itself. Even
> if you count it, that's a total of (+ 412 4032 7548 51780) ==> 64MB,
> not "100+ MB".
Comment withdrawn, the number was drawn from the last time I installed
emacs, which was back when I used windows several years ago, and the emacs
package for cygwin was 105mb and the native install was 120mb. Evidently it
has been streamlined significantly in the meantime.
>
>
> There's no real reason emacs22-common couldn't be split up into the
> "core" files needed to run Emacs itself, plus a separate package for
> applications. This isn't done because in general, nobody really cares
> about wasting 50MB of disk space.
>
> > I suspect we don't have to worry too much about that for Screen; but
> > part of that may depend on how choosy we are about what we let into the
> > Screen distribution. For my part, I don't currently see any reason why
> > we would need to provide any Scheme code with Screen whatsoever, apart
> > from probably a sample ~/.screenrc.scm, and perhaps other example
> > scripts. Sure, a powerful programming language means that folks could
> > write "Towers of Hanoi" or an email client within Screen; but that
> > doesn't mean we have to include it. And anyway, why would they want to
> > do that when they could just do it in Emacs?
> >
> > To be honest, implementing a Screen within Emacs makes almost as
> > much sense as giving Screen Emacs-like scriptability; Screen has
> > already duplicated quite a bit of Emacs' layout functionality and
> > such, some of it not yet as well as Emacs itself does it. But I
> > doubt anyone's interested in seeing that happen. :)
>
> ElScreen is an Emacs window session manager modeled after GNU screen
> by NaotoMorishima, http://www.emacswiki.org/cgi-bin/wiki.pl?ElScreen
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr"><br><br><div class="gmail_quote">On Thu, Jul 24, 2008 at 8:22 PM, Trent W. Buck &lt;<a href="mailto:trentbuck@gmail.com">trentbuck@gmail.com</a>&gt; wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="Ih2E3d">On Thu, Jul 24, 2008 at 02:16:30PM -0700, Micah Cowan wrote:<br>
&gt; I&#39;m not sure I agree on &quot;people know them well&quot; for Haskell. Scheme<br>
&gt; /Lisp probably has a larger developer base than Haskell does.<br>
<br>
</div>Last time I looked, on Freenode, #haskell has around double the number<br>
of people that #scheme has. &nbsp;While I think more people know *of*<br>
Scheme and Lisp and understand the basics, my impression is that there<br>
is a lot more people actively writing Haskell every day than there are<br>
people actively writing Scheme every day.<br>
<br>
However, I wouldn&#39;t recommend Haskell as an extension language for an<br>
existing C-based application -- Haskell isn&#39;t designed for that role.<br>
(cf. Lua was designed for *exactly* that role.)<br>
<div class="Ih2E3d"><br>
&gt; The only reasons I prefer Guile over those, is (1) it&#39;s much more<br>
&gt; straightforward to use complex constructs, such as loops, within an<br>
&gt; expression, and (2) GNU recommends it as first choice for scripting in<br>
&gt; GNU projects (it&#39;s a GNU project, so would be &quot;eating our own dogfood&quot;).<br>
<br>
</div>How many *active* projects use guile as an extension language, and<br>
aren&#39;t trying to get rid of it? &nbsp;How large is the guile user community<br>
(people writing code and libraries in guile)? &nbsp;How active is the guile<br>
developer community (people improving guile itself)?<br>
<br>
My impression is that *nobody* likes Guile. &nbsp;At all. &nbsp;Over the years,<br>
I&#39;ve met *one* guile user who actively advocated it, and about twelve<br>
months ago he learned CL and admitted that he liked that much better.<br>
<div class="Ih2E3d"><br>
&gt;&gt;&gt; I would really like to see scripting, but if it means an<br>
&gt;&gt;&gt; emacs-like distribution of 100+ MB of scripting files and the<br>
&gt;&gt;&gt; generation of a program which does everything well except what it<br>
&gt;&gt;&gt; was designed for, then the point has been missed.<br>
<br>
</div>$ printf &#39;%s\t%s\n&#39; `grep-aptavail -sInstalled-Size,Package -S --regex ^emacs22 | cut -d: -f 2`<br>
412 &nbsp; &nbsp; emacs22-bin-common<br>
4032 &nbsp; &nbsp;emacs22-common-non-dfsg<br>
7120 &nbsp; &nbsp;emacs22-nox<br>
7548 &nbsp; &nbsp;emacs22<br>
7548 &nbsp; &nbsp;emacs22-gtk<br>
13264 &nbsp; emacs22-el<br>
51780 &nbsp; emacs22-common<br>
<br>
emacs22, emacs22-nox and emacs22-gtk are alternative front-ends, so<br>
the smaller two can be ignored in the count. &nbsp;The emacs22-el package<br>
is not used (since emacs22-common contains the byte-compiled<br>
versions), so it can also be ignored. &nbsp;Arguably most of emacs22-common<br>
should also be ignored, since it mostly constitutes applications that<br>
are written on top of Emacs and aren&#39;t needed by Emacs itself. &nbsp;Even<br>
if you count it, that&#39;s a total of (+ 412 4032 7548 51780) ==&gt; 64MB,<br>
not &quot;100+ MB&quot;.</blockquote><div>Comment withdrawn, the number was drawn from the last time I installed emacs, which was back when I used windows several years ago, and the emacs package for cygwin was 105mb and the native install was 120mb. &nbsp;Evidently it has been streamlined significantly in the meantime.&nbsp;</div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><br>
<br>
There&#39;s no real reason emacs22-common couldn&#39;t be split up into the<br>
&quot;core&quot; files needed to run Emacs itself, plus a separate package for<br>
applications. &nbsp;This isn&#39;t done because in general, nobody really cares<br>
about wasting 50MB of disk space.<br>
<div class="Ih2E3d"><br>
&gt; I suspect we don&#39;t have to worry too much about that for Screen; but<br>
&gt; part of that may depend on how choosy we are about what we let into the<br>
&gt; Screen distribution. For my part, I don&#39;t currently see any reason why<br>
&gt; we would need to provide any Scheme code with Screen whatsoever, apart<br>
&gt; from probably a sample ~/.screenrc.scm, and perhaps other example<br>
&gt; scripts. Sure, a powerful programming language means that folks could<br>
&gt; write &quot;Towers of Hanoi&quot; or an email client within Screen; but that<br>
&gt; doesn&#39;t mean we have to include it. And anyway, why would they want to<br>
&gt; do that when they could just do it in Emacs?<br>
&gt;<br>
&gt; To be honest, implementing a Screen within Emacs makes almost as<br>
&gt; much sense as giving Screen Emacs-like scriptability; Screen has<br>
&gt; already duplicated quite a bit of Emacs&#39; layout functionality and<br>
&gt; such, some of it not yet as well as Emacs itself does it. But I<br>
&gt; doubt anyone&#39;s interested in seeing that happen. :)<br>
<br>
</div>ElScreen is an Emacs window session manager modeled after GNU screen<br>
by NaotoMorishima, <a href="http://www.emacswiki.org/cgi-bin/wiki.pl?ElScreen" target="_blank">http://www.emacswiki.org/cgi-bin/wiki.pl?ElScreen</a><br>
<div><div></div><div class="Wj3C7c"><br>
<br>
_______________________________________________<br>
screen-users mailing list<br>
<a href="mailto:screen-users@gnu.org">screen-users@gnu.org</a><br>
<a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein
</div>
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From: "Trent W. Buck" <trentbuck@gmail.com>
To: screen-users@gnu.org
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On Thu, Jul 24, 2008 at 06:39:47PM -0400, Dan Mahoney, System Admin wrote:
> I need two features added to screen, but I'm not a coder. I can
> (and have) discussed on this list, as well as having seen these
> features justified and explained on mailing lists before, but I
> don't believe they work at this time.
>
> 1) Make printing work. And by that I mean make it work JUST as it
> would work without screen, i.e. not "buffer" and send a bunch of
> printer stop/start sequences every 30 characters -- many SSH
> applications interpret that stop sequence as a page feed.
I don't know what you're talking about. Can you provide step-by-step
instructions to reproduce this bug?
> 2) Make mouse work. I haven't seen much with this.
>
> I'm willing to toss something monetary at a developer or developers
> who can look at this and make it happen.
Mouse works for me within screen:
xterm -e screen emacs -nw -Q -f xterm-mouse-mode
Note that this requires Emacs to be compiled with X enabled (i.e. it
doesn't work in emacs22-nox). The scroll wheel also works, but
requires bindings. From my .emacs:
(when (and (fboundp 'xterm-mouse-mode)
(not window-system)
(featurep 'mouse))
(xterm-mouse-mode +1)
(when (fboundp 'mwheel-scroll)
(global-set-key (kbd "<mouse-4>") 'mwheel-scroll)
(global-set-key (kbd "<mouse-5>") 'mwheel-scroll)))
PS: note that (not window-system) has the wrong semantics in CVS Emacs
with mtty, e.g. if your first Emacs window is a native X window but
then you start an mtty emacsclient inside screen.
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On Fri, 25 Jul 2008, Trent W. Buck wrote:
> On Thu, Jul 24, 2008 at 06:39:47PM -0400, Dan Mahoney, System Admin wrote:
>> I need two features added to screen, but I'm not a coder. I can
>> (and have) discussed on this list, as well as having seen these
>> features justified and explained on mailing lists before, but I
>> don't believe they work at this time.
>>
>> 1) Make printing work. And by that I mean make it work JUST as it
>> would work without screen, i.e. not "buffer" and send a bunch of
>> printer stop/start sequences every 30 characters -- many SSH
>> applications interpret that stop sequence as a page feed.
>
> I don't know what you're talking about. Can you provide step-by-step
> instructions to reproduce this bug?
It's right in the gnu screen man page. Without screen, if you're in (say)
pine, or use a program such as ansiprint to print a file, it will send,
literally, to the screen:
[printer on code as described in termcap/terminfo]
[your file]
[possibly a formfeed]
[printer off]
Now, what screen does, is the following:
[printer on code as described in termcap/terminfo]
[small chunk of your file]
[printer off]
[printer on code as described in termcap/terminfo]
[another small chunk of your file]
[printer off]
[printer on code as described in termcap/terminfo]
[yet another small chunk of your file]
[printer off]
[printer on code as described in termcap/terminfo]
[even another small chunk of your file]
[printer off]
[printer on code as described in termcap/terminfo]
[and another small chunk of your file]
[printer off]
And so on. And it thinks it's doing you a favor.
Screen's manpage sums this logic up:
When the `po' and `pf' capabilities are present in the terminal's term-
cap entry, applications running in a screen window can send output to
the printer port of the terminal. This allows a user to have an appli-
cation in one window sending output to a printer connected to the ter-
minal, while all other windows are still active (the printer port is
enabled and disabled again for each chunk of output). As a side-
effect, programs running in different windows can send output to the
printer simultaneously. Data sent to the printer is not displayed in
the window. The info command displays a line starting `PRIN' while the
printer is active.
---End Manpage Section---
All the above makes a whole lot of sense on, say, a line printer over
300BPS with a 20 page document.
On programs like secureCRT (my terminal of choice), all this
buffer/unbuffer crap causes my laser printer to eject a page because it
sees every printer-stop sequence as the end of the sequence. Thus I get
one PAGE per Chunk.
SecureCRT has a workaround for this -- which basically causes me to have
to print from my terminal, then say "eject page" in SecureCRT -- so as a
result of Screen's buffering behavior, SecureCRT also has to buffer, and
it causes me an extra level of necessary interaction. Whereas, if screen
had just passed the sequences along as-is, everything would be fine.
This is a kludge to "background printing" which only makes sense with a
lot of data, over a slow link. Any other time, the data is out faster
than I can possibly even switch windows. If I don't want my keyboard and
screen sequences messing up the print job, then I could just have screen
block my ability to use ctrl-a until the print is done, or I send an abort
sequence. That would prevent me from switching windows (and possibly
MISSING the "printer off" sequence.)
>> 2) Make mouse work. I haven't seen much with this.
>>
>> I'm willing to toss something monetary at a developer or developers
>> who can look at this and make it happen.
>
> Mouse works for me within screen:
Then there's likely something wrong with my system or my shell, or my
termcap, and it is best filed as an OS bug. Please contact me out of band
and I can arrange a shell. It's a public server and has been used to
test several other pieces of opensource. Tell me if it works for you on
my end.
-Dan
--
"One...plus two...plus one...plus one."
-Tim Curry, Clue
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
---------------------------
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Subject: Re: Two little features (and a bounty?)
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On Thu, 24 Jul 2008, Micah Cowan wrote:
>>> Is there a way to trace if this is happening? I've given you the
>>> applications I use. Micah, I've been a user and advocate of wget for
>>> many years. If you would like a shell, please let me know.
>
> Well, if you activate logging in the screen window, you can check for
> the presence of the "send mouse codes" request sequence. It'll be one of
> \E9h, \E1000h, or \E1001h.
>
>> If that's the case, there's really nothing we can do until terminfo
>> supports a way of advertising DEC/xterm mouse capabilities (kmous
>> doesn't really cut it).
>>
>>> ..if (windowtitle =~ /^nano/) { set sendmouseevents = 1; } would suffice
>>> just fine. Or just give us an option to toggle mouse events on or off
>>> by default. Or a ctrl-a :mouseon! My xterm doesn't know what on the
>>> other end of an SSH session is requesting or not, it just happily sends
>>> the click events down the pipe. Aware applications use them. Unaware
>>> apps discard them.
>
> That's unlikely to be true. The applications on the other end of the SSH
> tunnel requested the click events, first (based on the TERM env var
> having something like "xterm" in it: they check for that value
> explicitly, but usually don't recognize "screen" as a mouse-capable term
> name). Try running your ssh session under script, and check for the
> \E1001h, etc, sequences, in the resulting typescript.
This is wrong. Setting the $TERM to "xterm" within screen does not
cause nano -m to work for me.
As far as I know, once a terminal session is negotiated, settings don't
change. Screen is particularly obnoxious about intercepting and not
passing down the pipe things it doesn't understand.
You're telling me that in the following chain...
[1 local window mananger] -- [2 xterm] -- [3 ssh] -- [4 sshd] -- [5 shell]
-- [6 application]
That somehow #6 can tell #2 or even #1 not to send their events? I think
the "local" terminal is far dumber than that.
> You've mentioned Nano, but that actually works for me (it uses ncurses,
> which assumes decent mouse support if kmous is advertised, which screen
> does), so long as mouse support has been enabled ("nano -m" or typing
> M-m). I know that Vim and some other apps do an explicit check for the
> value of TERM, though, which is why they can't be resolved without
> configuration adjustments.
My current environment: Mac with Xterm (terminal.app doesn't send mouse
events). Also, windows machine with putty, or Linux machine with
gnome-terminal.
All have the same issue. Before I start screen -q, nano -m works fine.
> Blanket sending of mouse codes without them being requested is bad
> behavior, and would result in spewing codes to the screen in some cases
> (say, when you suspend nano to work in your shell). The application has
> to be expecting them.
Yes, and nano is expecting them when I start it with -m (within screen or
not).
..why would I suspend nano to work in my shell. That would KINDA defeat
the purpose of running screen :)
>> I'd need more info on the printing stuff, as I never use it. I assume
>> we're talking about the Print Window / Redirect to Printer feature Xterm
>> has, that's tracked at https://savannah.gnu.org/bugs/?17310. I don't
>> know enough to even know whether it's even practical to "fix" screen for
>> use with that, but a monetary incentive for fixing it would at least
>> motivate me to dig in a bit more (TBH, without that incentive it drops
>> to the bottom of my to-do list: not enough demand AFAICT).
Expanded on in a different response. Perhaps to be forked.
-Dan
--
"Station!"
-Bill & Ted's Bogus Journey
--------Dan Mahoney--------
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Subject: Re: Two little features (and a bounty?)
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Dan Mahoney, System Admin wrote:
>> That's unlikely to be true. The applications on the other end of the SSH
>> tunnel requested the click events, first (based on the TERM env var
>> having something like "xterm" in it: they check for that value
>> explicitly, but usually don't recognize "screen" as a mouse-capable term
>> name). Try running your ssh session under script, and check for the
>> \E1001h, etc, sequences, in the resulting typescript.
>
> This is wrong. Setting the $TERM to "xterm" within screen does not
> cause nano -m to work for me.
It does for me, over your provided ssh access. I'll provide the full
details when I'm done exploring.
> As far as I know, once a terminal session is negotiated, settings don't
> change. Screen is particularly obnoxious about intercepting and not
> passing down the pipe things it doesn't understand.
>
> You're telling me that in the following chain...
>
> [1 local window mananger] -- [2 xterm] -- [3 ssh] -- [4 sshd] -- [5
> shell] -- [6 application]
>
> That somehow #6 can tell #2 or even #1 not to send their events? I
> think the "local" terminal is far dumber than that.
The question is whether it can tell them _to_ send their events. And
yes, that's accurate: a program that sends the "send mouse events"
sequence to screen will have them passed along to other terms - provided
that screen itself detects that it is being run in a mouse-capable
display (determined by checking for the presence of either "xterm" or
"rxvt" in the TERM value). (This is _exactly_ why terminfo needs to be
extended to allow advertising this feature.) That list ought to be
expanded to include "screen" itself. I thought I remembered patching
that once, but maybe it was a distro-specific patch that didn't make it
upstream, or something.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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On Thu, 24 Jul 2008, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
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>
> Dan Mahoney, System Admin wrote:
>>> That's unlikely to be true. The applications on the other end of the SSH
>>> tunnel requested the click events, first (based on the TERM env var
>>> having something like "xterm" in it: they check for that value
>>> explicitly, but usually don't recognize "screen" as a mouse-capable term
>>> name). Try running your ssh session under script, and check for the
>>> \E1001h, etc, sequences, in the resulting typescript.
>>
>> This is wrong. Setting the $TERM to "xterm" within screen does not
>> cause nano -m to work for me.
>
> It does for me, over your provided ssh access. I'll provide the full
> details when I'm done exploring.
Wait, where are you running screen? My assumption was that you be running
it ON prime.gushi.org, not before you ssh in.
When I ssh from my mac to prime, nano -m works.
When I ssh from my mac to prime and start screen -q, nano -m doesn't.
I haven't tried it with screen on the LOCAL end of the SSH connection
(kinda defeats the point of being able to detach, eh?)
-Dan
>
>> As far as I know, once a terminal session is negotiated, settings don't
>> change. Screen is particularly obnoxious about intercepting and not
>> passing down the pipe things it doesn't understand.
>>
>> You're telling me that in the following chain...
>>
>> [1 local window mananger] -- [2 xterm] -- [3 ssh] -- [4 sshd] -- [5
>> shell] -- [6 application]
>>
>> That somehow #6 can tell #2 or even #1 not to send their events? I
>> think the "local" terminal is far dumber than that.
>
> The question is whether it can tell them _to_ send their events. And
> yes, that's accurate: a program that sends the "send mouse events"
> sequence to screen will have them passed along to other terms - provided
> that screen itself detects that it is being run in a mouse-capable
> display (determined by checking for the presence of either "xterm" or
> "rxvt" in the TERM value). (This is _exactly_ why terminfo needs to be
> extended to allow advertising this feature.) That list ought to be
> expanded to include "screen" itself. I thought I remembered patching
> that once, but maybe it was a distro-specific patch that didn't make it
> upstream, or something.
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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--
"Don't try to out-wierd me. I get stranger things than you free with my
breakfast cereal."
-Button seen at I-CON XVII (and subsequently purchased)
--------Dan Mahoney--------
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Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
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Dan Mahoney, System Admin wrote:
> On Thu, 24 Jul 2008, Micah Cowan wrote:
>
> Dan Mahoney, System Admin wrote:
>>>>> That's unlikely to be true. The applications on the other end of the
>>>>> SSH
>>>>> tunnel requested the click events, first (based on the TERM env var
>>>>> having something like "xterm" in it: they check for that value
>>>>> explicitly, but usually don't recognize "screen" as a mouse-capable
>>>>> term
>>>>> name). Try running your ssh session under script, and check for the
>>>>> \E1001h, etc, sequences, in the resulting typescript.
>>>>
>>>> This is wrong. Setting the $TERM to "xterm" within screen does not
>>>> cause nano -m to work for me.
>
> It does for me, over your provided ssh access. I'll provide the full
> details when I'm done exploring.
>
>> Wait, where are you running screen? My assumption was that you be
>> running it ON prime.gushi.org, not before you ssh in.
Right. I'm doing both.
>> When I ssh from my mac to prime, nano -m works.
>
>> When I ssh from my mac to prime and start screen -q, nano -m doesn't.
When you set TERM=xterm? (That was what we were talking about)
Within screen running on gushi, "TERM=xterm nano -m" gives me mouse
capabilities (but isn't a great idea long-term, as it may well screw up
other things subtly).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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Subject: Re: Two little features (and a bounty?)
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Okay, so here's what I've found.
I confirmed that nano and alpine get mouse events outside screen (duh).
I confirmed that alpine _works_ with mouse inside screen, no problems. I
have to set DISPLAY to a fake value, but I had to do that to make it
work outside of screen, too.
I confirmed that nano does _not_ work by default inside of screen. It
doesn't send the "send mouse events" sequence (it sends the \E[?1000h
sequence outside of screen). If I tell screen to send mouse events
anyway, nano -m doesn't process them correctly (clicking in the editor
pane brings up the help screen, instead of just moving the cursor). To
get screen to send mouse events, I did:
$ printf '\033[?1000h'; nano -m
You'll want to do a
$ printf '\033[?1000l'
Sometime afterwards to disable the mouse events again.
BTW, I confirmed that, on my home system, nano under screen doesn't work
for me either. However, when I was at work, it worked fine. I just ssh'd
in and verified it works fine. The version for the one that worked is
1.3.<something> on RedHat, yours is 2.0.7, and mine is 2.0.6.
Running
$ TERM=xterm nano -m
works fine for me in screen.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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On Thu, Jul 24, 2008 at 10:36:02PM -0700, Micah Cowan wrote:
> The question is whether it can tell them _to_ send their events. And
> yes, that's accurate: a program that sends the "send mouse events"
> sequence to screen will have them passed along to other terms -
> provided that screen itself detects that it is being run in a
> mouse-capable display (determined by checking for the presence of
> either "xterm" or "rxvt" in the TERM value).
Please clarify: what are the semantics when using screen -x, say with
one TERM=xterm and one TERM=linux ?
Also, does this work correctly with xterm -e screen ssh fooserv screen
emacs -nw -- that is, when the "inner" screen sees TERM=screen rather
than TERM=xterm? It seems to me that TERM=screen should be included
in the list of term types that screen expects to support mouse inputs.
> (This is _exactly_ why terminfo needs to be extended to allow
> advertising this feature.) That list ought to be expanded to include
> "screen" itself. I thought I remembered patching that once, but
> maybe it was a distro-specific patch that didn't make it upstream,
> or something.
Oops, I guess that answers my second question :-)
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Trent W. Buck wrote:
> On Thu, Jul 24, 2008 at 10:36:02PM -0700, Micah Cowan wrote:
>> The question is whether it can tell them _to_ send their events. And
>> yes, that's accurate: a program that sends the "send mouse events"
>> sequence to screen will have them passed along to other terms -
>> provided that screen itself detects that it is being run in a
>> mouse-capable display (determined by checking for the presence of
>> either "xterm" or "rxvt" in the TERM value).
>
> Please clarify: what are the semantics when using screen -x, say with
> one TERM=xterm and one TERM=linux ?
The one with TERM=xterm will get the mouse-enable sequence passed
through to it (assuming it was attached at the time that sequence was
sent); the TERM=linux one won't.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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On Fri, Jul 25, 2008 at 12:42:25AM -0700, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Trent W. Buck wrote:
> > On Thu, Jul 24, 2008 at 10:36:02PM -0700, Micah Cowan wrote:
> >> The question is whether it can tell them _to_ send their events. And
> >> yes, that's accurate: a program that sends the "send mouse events"
> >> sequence to screen will have them passed along to other terms -
> >> provided that screen itself detects that it is being run in a
> >> mouse-capable display (determined by checking for the presence of
> >> either "xterm" or "rxvt" in the TERM value).
> >
> > Please clarify: what are the semantics when using screen -x, say with
> > one TERM=xterm and one TERM=linux ?
>
> The one with TERM=xterm will get the mouse-enable sequence passed
> through to it (assuming it was attached at the time that sequence was
> sent); the TERM=linux one won't.
Would it be better to have screen "remember" if an enable sequence was
sent, so that if I *later* do
xterm -e screen -xRR
the *new* xterm will also know about mousiness? (IIUC, currently the
xterm has to be connected when you do M-x xterm-mouse-mode.)
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Trent W. Buck wrote:
> Would it be better to have screen "remember" if an enable sequence was
> sent, so that if I *later* do
>
> xterm -e screen -xRR
>
> the *new* xterm will also know about mousiness? (IIUC, currently the
> xterm has to be connected when you do M-x xterm-mouse-mode.)
That's what I thought. However, I just tried it, and I was surprised to
find that it worked fine, even though the xterm connected after Vim had
been started.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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On Fri, 25 Jul 2008, Micah Cowan wrote:
Yes, I'm top-posting...but it's relevant.
So from Micah's findings, it would almost appear that based on the
application, there's a number of things that one needs to do to make this
work. (xterm value, fake display, manually send the escape sequence,
etc).
This is definitely something that fits well into some kind of
documentation grid as to what-setup-requires-what...
I'm not sure if there's anything in screen that can fix it (although I
think the window-title hack is a neat answer). I am also not sure if this
should be brought to the nano/alpine/whatnot developers -- there are at
LEAST a couple situations where you want a mouse without a display, i.e.
console-access, where screen is ideal (but then, you have multiple virtual
consoles).
Let me think on this a bit more -- there's GOT to be a clean way to handle
this -- Micah, do you think it's relevant to open bugs with the
appropriate projects?
Or better still, can we come up with a way to define a "test case" for
mouse under screenable events?
(I had a coworker tell me I should run gpm in my ssh session, to fix
this...I wonder how right he might have been...other than that I'm under
freeBSD).
> -----BEGIN PGP SIGNED MESSAGE-----
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>
> Okay, so here's what I've found.
>
> I confirmed that nano and alpine get mouse events outside screen (duh).
>
> I confirmed that alpine _works_ with mouse inside screen, no problems. I
> have to set DISPLAY to a fake value, but I had to do that to make it
> work outside of screen, too.
>
> I confirmed that nano does _not_ work by default inside of screen. It
> doesn't send the "send mouse events" sequence (it sends the \E[?1000h
> sequence outside of screen). If I tell screen to send mouse events
> anyway, nano -m doesn't process them correctly (clicking in the editor
> pane brings up the help screen, instead of just moving the cursor). To
> get screen to send mouse events, I did:
>
> $ printf '\033[?1000h'; nano -m
>
> You'll want to do a
>
> $ printf '\033[?1000l'
>
> Sometime afterwards to disable the mouse events again.
>
> BTW, I confirmed that, on my home system, nano under screen doesn't work
> for me either. However, when I was at work, it worked fine. I just ssh'd
> in and verified it works fine. The version for the one that worked is
> 1.3.<something> on RedHat, yours is 2.0.7, and mine is 2.0.6.
>
> Running
>
> $ TERM=xterm nano -m
>
> works fine for me in screen.
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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--
"You're a thucking reyer!"
-Richard Bozzello, who believed tongue piercing was painless.
--------Dan Mahoney--------
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Gushi on efnet/undernet IRC
ICQ: 13735144 AIM: LarpGM
Site: http://www.gushi.org
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Dan Mahoney, System Admin wrote:
> So from Micah's findings, it would almost appear that based on the
> application, there's a number of things that one needs to do to make
> this work. (xterm value, fake display, manually send the escape
> sequence, etc).
No; to my knowledge, the only program I've ever seen require DISPLAY to
be set is alpine, which is kind of retarded.
Manually sending the escape sequence will _not_ work, as I mentioned
previously. It will get screen to send the sequences, to be sure, but it
will not put the application into an accepting state (nano -m would not
accept them properly, despite being in "mouse enabled" mode, unless the
term was "xterm").
> This is definitely something that fits well into some kind of
> documentation grid as to what-setup-requires-what...
Probably should go on the wiki. http://aperiodic.net/screen/
> I'm not sure if there's anything in screen that can fix it (although I
> think the window-title hack is a neat answer).
Won't work: that'll be equivalent to what I did with "sending the escape
sequence first"; nano still doesn't interpret them.
Even if it did work, it'd be a bad idea, except for your own personal
use. Even if you never suspend nano to work in the shell, other people
certainly may.
> I am also not sure if
> this should be brought to the nano/alpine/whatnot developers -- there
> are at LEAST a couple situations where you want a mouse without a
> display, i.e. console-access, where screen is ideal (but then, you have
> multiple virtual consoles).
AFAICT, nano doesn't explicitly look for xterm; it may well be an
ncurses issue, rather than nano.
> Let me think on this a bit more -- there's GOT to be a clean way to
> handle this -- Micah, do you think it's relevant to open bugs with the
> appropriate projects?
It can't hurt; I had some success with that in Vim. But adding "screen"
to the list of approved terminals is not a good general solution; it
really needs to be addressed in ncurses/terminfo.
> Or better still, can we come up with a way to define a "test case" for
> mouse under screenable events?
>
> (I had a coworker tell me I should run gpm in my ssh session, to fix
> this...I wonder how right he might have been...other than that I'm under
> freeBSD).
Does gpm work that way? I wouldn't have thought so, but I don't really
know that much about gpm.
I thought it's intended to work on the actual console terms, though,
with the local mouse.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer,
and GNU Wget Project Maintainer.
http://micah.cowan.name/
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From: Johannes Weiner <hannes@saeurebad.de>
To: Sadrul Habib Chowdhury <imadil@gmail.com>
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Date: Thu, 24 Jul 2008 18:11:33 +0200
In-Reply-To: <20080724160004.GC26150@localdomain> (Sadrul Habib Chowdhury's
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Subject: Re: [screen-devel] Scripting Support for Screen
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Hi,
Sadrul Habib Chowdhury <imadil@gmail.com> writes:
> Hi. I started working on a lua script loader for screen last night. I am
> quite happy with the progress so far. I would like to know what people
> think about this kind of work. I discussed about this briefly with Micah
> last night, and he also thought discussing this in the list would be
> useful.
>
> I will try to answer a few questions that might come up in advance:
>
> * Where is the patchset?
> - The current patchset is available at
> http://www.pidgin.im/~sadrul/pp/scripting-lua/. The patches are against
> the development version of screen
> (http://git.savannah.gnu.org/gitweb/?p=screen.git)
>
> * What's the goal?
> - The goal right now is to allow executing some user-defined function
> on specific events, e.g. when a window is closed, opened,
> title/position changed, a display is detached etc. etc. easily, i.e.
> without requiring a recompilation/reinstallation.
>
> I started working on this mostly out of curiosity, to see where it
> goes, and what cool things it might allow users to do. One use I have
> in mind is to send some signal to the process in a window when it's not
> visible in any of the displays, (and send another one when it becomes
> visible for the first time). It doesn't make all that much sense to
> implement such highly personalized features in screen itself.
>
> I am sure people will find a lot of other interesting things to do.
>
> * Why Lua?
> - Because I like it!
> To be perfectly honest, there was no compelling technical reason for me
> to choose lua. I hadn't worked with lua bindings before, but I was told
> it's much easier to work with than with some other scripting languages
> (e.g. python!). I thought I would give it a try and find out.
>
> * Why not guile?
> - Because I haven't seen it before, and I wasn't aware of it until Micah
> told me about it last night on IRC!
>
> Note: with the patchset, it is possible to support multiple scripting
> languages, either built-in at compile time (current), or dynamically
> loaded on demand (not yet implemented, but possible semi-trivially.
> [1] for details). So in theory, it will be possible to have none,
> either or both lua and guile support. (and any other language someone
> cares to write bindings for)
I once hacked something together that was based on guile but I ran into
problems with user input, IIRC. I will try to look at the problem again
in the near future, hopefully.
I really like the idea. Thanks for doing this!
By the way, Python is also embeddable :)
> * What about the bloat?
> - I would refer to the commit message at [1]
Screw the bloat, there are larger full-blown window managers around :-)
> * Is there a sample script?
> - Yes! http://www.pidgin.im/~sadrul/pp/scripting-lua/sc.lua
> The 'fore_changed' function towards the end is the one that gets
> executed when the foreground window for a display is changed. It prints
> the list of windows (# and title), a message explaining the switch from
> the previous window to the current one, and finally prints detailed
> information about each display and its foreground window. The display
> information includes the term, tty, user and the canvases.
>
> * What are the current triggers/hooks?
> - Right now, only changing the foreground window in a display will
> trigger a function named 'fore_changed' in the lua script. I don't have
> a complete list of hooks in mind yet. I plan on adding new hooks as the
> need arises. Suggestions are very welcome!
>
> I would love to know if people have any opinions, suggestions etc. about
> this.
The trend I would like to see is not just extending screen with a
powerful language but reducing the C code where possible by this
language. Sort of like it's done with emacs (only that emacs was
probably written to this design from the beginning, I assume).
Because the more you do in extension language, the more powerful
commands you can provide to the scripting interface.
And the more your configuration file becomes a program on its own,
written for the screen library :)
Hannes
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From: Johannes Weiner <hannes@saeurebad.de>
To: Screen development <screen-devel@gnu.org>
References: <20080724160004.GC26150@localdomain> <87r69j5kju.fsf@saeurebad.de>
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Date: Thu, 24 Jul 2008 23:42:23 +0200
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(Tom Scogland's message of "Thu, 24 Jul 2008 15:47:39 -0500")
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Subject: Re: [screen-devel] Scripting Support for Screen
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Hi Tom,
"Tom Scogland" <njustn@gmail.com> writes:
> All of this is pretty correct, except that the gnu emacs we know was lisp
> with a C core for a long time because redraw was impossible to write
> efficiently enough in lisp for some reason. As such, when the program
> entered that state, everything changed, and that's something that should
> probably be avoided. Either have it be all scripted, or have it be a C
> core which can be extended and modified from outside, but avoiding a
> situation where most of the program is one way and certain parts are
> another, that will just generate frustration and maintenance problems.
> A final word here, bloat=bad.
> I would really like to see scripting, but if it means an emacs-like
> distribution of 100+ MB of scripting files and the generation of a program
> which does everything well except what it was designed for, then the point
> has been missed.
This is just because the Emacs developers chose to include 2+
mailclients and 2+ irc clients into the standard distribution.
That is no must, I think. I hope that having screen scriptable will
lead to a lot of cool scripts being published and shared, but the screen
distribution can still be kept at a minimum.
Hannes
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From: Johannes Weiner <hannes@saeurebad.de>
To: Screen development <screen-devel@gnu.org>
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Date: Fri, 25 Jul 2008 01:01:10 +0200
In-Reply-To: <4888F32D.8070701@cowan.name> (Micah Cowan's message of "Thu, 24
Jul 2008 14:25:01 -0700")
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Hi,
Micah Cowan <micah@cowan.name> writes:
> Micah Cowan wrote:
>> To be honest, implementing a Screen within Emacs makes almost as much
>> sense as giving Screen Emacs-like scriptability
>
> Come to think of it, that functionality more-or-less already exists;
> "M-x term" within Emacs pretty much fits the bill.
Only a dumb terminal, though :(
http://hannes.saeurebad.de/images/no-recursive-emacs.png
Hannes
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From: Johannes Weiner <hannes@saeurebad.de>
To: Screen development <screen-devel@gnu.org>
References: <20080724160004.GC26150@localdomain> <87r69j5kju.fsf@saeurebad.de>
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Date: Fri, 25 Jul 2008 02:34:11 +0200
In-Reply-To: <48890B9B.3010907@cowan.name> (Micah Cowan's message of "Thu, 24
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Subject: Re: [screen-devel] Scripting Support for Screen
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Hi,
Micah Cowan <micah@cowan.name> writes:
> Johannes Weiner wrote:
>> Hi,
>>
>> Micah Cowan <micah@cowan.name> writes:
>>
>>> Micah Cowan wrote:
>>>> To be honest, implementing a Screen within Emacs makes almost as much
>>>> sense as giving Screen Emacs-like scriptability
>>> Come to think of it, that functionality more-or-less already exists;
>>> "M-x term" within Emacs pretty much fits the bill.
>>
>> Only a dumb terminal, though :(
>
> Nope. M-x terminal is the dumb terminal. M-x term gives a fully-emulated
> terminal ("eterm").
Awesome, did not know at all! Thanks for the hinter!
Hannes
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Date: Fri, 25 Jul 2008 01:06:55 -0500
From: "Joe Zbiciak" <intvnut@gmail.com>
To: "Micah Cowan" <micah@cowan.name>, screen-users@gnu.org,
"Dan Mahoney, System Admin" <danm@prime.gushi.org>
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This is the point of the conversation where I butt my head in and
look stupid. :-)
----- Original Message ----
Micah Cowan wrote:
> >> Wait, where are you running screen? My assumption was that you be
> >> running it ON prime.gushi.org, not before you ssh in.
>
> Right. I'm doing both.
>
> >> When I ssh from my mac to prime, nano -m works.
> >
> >> When I ssh from my mac to prime and start screen -q, nano -m doesn't.
>
> When you set TERM=xterm? (That was what we were talking about)
>
> Within screen running on gushi, "TERM=xterm nano -m" gives me mouse
> capabilities (but isn't a great idea long-term, as it may well screw up
> other things subtly).
Micah,
This may be a silly question, but how does "screen" decide that the
attaching terminal supports capturing mouse events? It could be that
nano says it's interested, but screen thinks they're not available.
I'm no expert in the screen code base, but is this where?
if (InStr(D_termname, "xterm") || InStr(D_termname, "rxvt"))
D_CXT = 1;
Dan,
What do you have TERM set to when you launch screen? If you say
"TERM=xterm screen" to start screen, does that change things?
Regards,
--Joe
--
We sell spatulas, and that's all!
http://spatula-city.org/~im14u2c/
http://spacepatrol.info/
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<div dir="ltr">This is the point of the conversation where I butt my head in and<br>
look stupid.&nbsp; :-)<br>
<br>
<br>
----- Original Message ----<br>
Micah Cowan wrote:<br>
&gt; &gt;&gt; Wait, where are you running screen?&nbsp; My assumption was that you be<br>
&gt; &gt;&gt; running it ON <a href="http://prime.gushi.org">prime.gushi.org</a>, not before you ssh in.<br>
&gt;<br>
&gt; Right. I&#39;m doing both.<br>
&gt;<br>
&gt; &gt;&gt; When I ssh from my mac to prime, nano -m works.<br>
&gt; &gt;<br>
&gt; &gt;&gt; When I ssh from my mac to prime and start screen -q, nano -m doesn&#39;t.<br>
&gt;<br>
&gt; When you set TERM=xterm? (That was what we were talking about)<br>
&gt;<br>
&gt; Within screen running on gushi, &quot;TERM=xterm nano -m&quot; gives me mouse<br>
&gt; capabilities (but isn&#39;t a great idea long-term, as it may well screw up<br>
&gt; other things subtly).<br>
<br>
<br>
Micah,<br>
&nbsp;&nbsp;&nbsp; <br>
This may be a silly question, but how does &quot;screen&quot; decide that the<br>
attaching terminal supports capturing mouse events?&nbsp; It could be that<br>
nano says it&#39;s interested, but screen thinks they&#39;re not available.<br>
<br>
I&#39;m no expert in the screen code base, but is this where?<br>
<br>
&nbsp; if (InStr(D_termname, &quot;xterm&quot;) || InStr(D_termname, &quot;rxvt&quot;))<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D_CXT = 1;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <br>
Dan,&nbsp; <br>
&nbsp;&nbsp;&nbsp; <br>
What do you have TERM set to when you launch screen?&nbsp; If you say<br>
&quot;TERM=xterm screen&quot; to start screen, does that change things?<br>
<br>
Regards,<br>
<br>
--Joe<br>
<br clear="all"><br>-- <br>We sell spatulas, and that&#39;s all!<br><a href="http://spatula-city.org/~im14u2c/">http://spatula-city.org/~im14u2c/</a><br><a href="http://spacepatrol.info/">http://spacepatrol.info/</a>
</div>
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From: "Joe Zbiciak" <intvnut@gmail.com>
To: "Micah Cowan" <micah@cowan.name>, screen-users@gnu.org,
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On Fri, Jul 25, 2008 at 1:06 AM, Joe Zbiciak <intvnut@gmail.com> wrote:
>
> This may be a silly question, but how does "screen" decide that the
> attaching terminal supports capturing mouse events? It could be that
> nano says it's interested, but screen thinks they're not available.
>
> I'm no expert in the screen code base, but is this where?
>
> if (InStr(D_termname, "xterm") || InStr(D_termname, "rxvt"))
> D_CXT = 1;
I should add that I say this due to this code elsewhere:
void
MouseMode(mode)
int mode;
{
if (display && D_mouse != mode)
{
char mousebuf[20];
if (!D_CXT)
return;
if (D_mouse)
{
sprintf(mousebuf, "\033[?%dl", D_mouse);
AddStr(mousebuf);
}
if (mode)
{
sprintf(mousebuf, "\033[?%dh", mode);
AddStr(mousebuf);
}
D_mouse = mode;
}
}
--
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http://spatula-city.org/~im14u2c/
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From: Johannes Weiner <hannes@saeurebad.de>
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Date: Fri, 25 Jul 2008 15:57:01 +0200
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Subject: Re: [screen-devel] Scripting Support for Screen
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Mark Eichin <eichin@metacarta.com> writes:
> Micah Cowan <micah@cowan.name> writes:
>
>> Micah Cowan wrote:
>>> To be honest, implementing a Screen within Emacs makes almost as much
>>> sense as giving Screen Emacs-like scriptability
>>
>> Come to think of it, that functionality more-or-less already exists;
>> "M-x term" within Emacs pretty much fits the bill.
>
> Combined with wicos.el (or one of the more modern versions, escreen I
> think?) you get the switch-screens-in-this-window part too. The thing
> you probably don't get is talks-to-serial-ports :-)
M-x serial-term
Hannes
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hello,
just wanted to know why the following command gives:
$ screen -RRx
There is no screen to be attached.
whereas typing:
$ screen -xRR
gives a new screen session. (or attaches to an existing one with multiuser mode)
at the moment i'm using the second command as my "always run screen
like this" favorite...
wasn't sure if this was a bug or a weirdism of screen.
let me know your thoughts or i should be doing something differently, thanks.
_J
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On Fri, Jul 25, 2008 at 01:01:10AM +0200, Johannes Weiner wrote:
>> "M-x term" within Emacs pretty much fits the bill.
> Only a dumb terminal, though :(
> http://hannes.saeurebad.de/images/no-recursive-emacs.png
M-x term is not the same as M-x shell. The former provides VT220 (or
thereabouts) emulation; the latter provides dumb terminal emulator (on
top of which is layered the standard Emacs buffer interaction
mechanisms).
Emacs is off-topic for this list, let's all go back to focusing on
Screen.
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On Thu, Jul 24, 2008 at 06:11:33PM +0200, Johannes Weiner wrote:
>> * What about the bloat?
> Screw the bloat, there are larger full-blown window managers around :-)
I don't think that the existence of bloat in *some* solutions for an
unrelated problem domain is an excuse to add bloat to Screen. Or are
you specifically referring to bloated window managers for the tty?
Note that I don't believe replacing the existing, limited
domain-specific language (DSL) used in ^A: and .screenrc with an
embedded general-purpose language will *necessarily* add bloat.
Using a third-party language would (hopefully) reduce the amount of
code that the Screen developers need to maintain, as well as the
obvious benefit to users of having more customizability.
> The trend I would like to see is not just extending screen with a
> powerful language but reducing the C code where possible by this
> language.
I'd certainly like the *core* of Screen to remain in C, or some other
language for which an efficient optimizing compiler exists. I don't
mind if extra bits (for example, the code to turn the window data into
a string for %w) was converted to a language that's interpreted
on-the-fly. Separation of "core" from "extra wank that users insist
on" might also reduce the burden on the Screen maintainers.
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Joe Zbiciak wrote:
> Micah,
>
> This may be a silly question, but how does "screen" decide that the
> attaching terminal supports capturing mouse events? It could be that
> nano says it's interested, but screen thinks they're not available.
>
> I'm no expert in the screen code base, but is this where?
>
> if (InStr(D_termname, "xterm") || InStr(D_termname, "rxvt"))
> D_CXT = 1;
Yes indeed.
- --
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and GNU Wget Project Maintainer.
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James wrote:
> hello,
> just wanted to know why the following command gives:
>
> $ screen -RRx
> There is no screen to be attached.
>
> whereas typing:
>
> $ screen -xRR
>
> gives a new screen session. (or attaches to an existing one with multiuser mode)
>
> at the moment i'm using the second command as my "always run screen
> like this" favorite...
>
> wasn't sure if this was a bug or a weirdism of screen.
> let me know your thoughts or i should be doing something differently, thanks.
Looking at the code:
...
case 'r':
case 'R':
#ifdef MULTI
case 'x':
#endif
if (ac > 1 && *av[1] != '-' && !SockMatch)
{
SockMatch = *++av;
ac--;
debug2("rflag=%d, SockMatch=%s\n", dflag, SockMatch);
}
#ifdef MULTI
if (*ap == 'x')
xflag = 1;
#endif
if (rflag)
rflag = 2;
rflag += (*ap == 'R') ? 2 : 1;
break;
...
It appears that -x always includes the functionality of specifying -r; so
screen -RRx
is the same as
screen -xRr
In both versions, rflag ends up at 3, whereas with
screen -xRR
rflag ends up at 4, just like -RR.
I don't know enough about rflag to know the full meaning of this. I'm
not certain what was intended, but I'm guessing -x was intended to imply
- -r on its own, but messing with existing -r/-R combos wasn't intentional.
I've filed an issue for this at
https://savannah.gnu.org/bugs/index.php?23939
- --
Micah J. Cowan
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From: James <purpleidea@gmail.com>
To: "Micah Cowan" <micah@cowan.name>
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cool! thanks for the research-- it's the best reply i've gotten in a while!
cheers,
_J
On 7/26/08, Micah Cowan <micah@cowan.name> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
> James wrote:
> > hello,
> > just wanted to know why the following command gives:
> >
> > $ screen -RRx
> > There is no screen to be attached.
> >
> > whereas typing:
> >
> > $ screen -xRR
> >
> > gives a new screen session. (or attaches to an existing one with multiuser mode)
> >
> > at the moment i'm using the second command as my "always run screen
> > like this" favorite...
> >
> > wasn't sure if this was a bug or a weirdism of screen.
> > let me know your thoughts or i should be doing something differently, thanks.
>
>
> Looking at the code:
>
> ...
> case 'r':
> case 'R':
> #ifdef MULTI
> case 'x':
> #endif
> if (ac > 1 && *av[1] != '-' && !SockMatch)
> {
> SockMatch = *++av;
> ac--;
> debug2("rflag=%d, SockMatch=%s\n", dflag, SockMatch);
> }
> #ifdef MULTI
> if (*ap == 'x')
> xflag = 1;
> #endif
> if (rflag)
> rflag = 2;
> rflag += (*ap == 'R') ? 2 : 1;
> break;
> ...
>
> It appears that -x always includes the functionality of specifying -r; so
> screen -RRx
> is the same as
> screen -xRr
> In both versions, rflag ends up at 3, whereas with
> screen -xRR
> rflag ends up at 4, just like -RR.
>
> I don't know enough about rflag to know the full meaning of this. I'm
> not certain what was intended, but I'm guessing -x was intended to imply
> - -r on its own, but messing with existing -r/-R combos wasn't intentional.
>
> I've filed an issue for this at
> https://savannah.gnu.org/bugs/index.php?23939
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer,
> and GNU Wget Project Maintainer.
> http://micah.cowan.name/
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From: =?utf-8?Q?=C3=98yvind_A=2E?= Holm <sunny@sunbase.org>
To: screen-users@gnu.org
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Subject: Read-only windows
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Is there any way to make a certain window "read only", i.e. display=20
output, but ignore any keystrokes? A farfetched example of this use is=20
windows containing long-running jobs I won=E2=80=99t interrupt if I happen =
to=20
accidentally press CTRL-C. The closest thing I=E2=80=99ve found is [cmd]-x,=
but=20
I=E2=80=99m not interested in password protection of the whole thing, only =
make=20
certain windows ignore any keyboard input.
Regards,
=C3=98yvind
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Subject: Fwd: Two little features (printing)
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This is how my system prints in Screen:
PRINT CHAR(27):"[5i" *start print*
PRINT "CASH SALE - 23-01-2007"
PRINT "LINE 2"
PRINT "LINE 3"
PRINT CHAR(27):"[4i" *stop print*
It will then print on the printer:
CASH SALE - 23-01-2007
=46rom feed
LINE 2
Form feed
LINE 3
Form feed
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From: Albert van Zyl <albert@gwk.co.za>
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Subject: Two little features (printing)
Date: Mon, 28 Jul 2008 12:16:31 +0200
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It would be GREAT if printing (print through) in Screen could work. I have =
the=20
same problem that Dan Mahoney has.
Prints one line of text
Form feed (Page feed)
Prints one line of text
Form feed.........
Please help!
Dan Mahoney wrote:
>> 1) Make printing work. =A0And by that I mean make it work JUST as it
>> would work without screen, i.e. not "buffer" and send a bunch of
>> printer stop/start sequences every 30 characters -- many SSH
>> applications interpret that stop sequence as a page feed.
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It would be GREAT if printing (print through) in Screen could work. I have =
the=20
same problem that Dan Mahoney has.
Prints one line of text
Form feed (Page feed)
Prints one line of text
Form feed.........
Please help!
Dan Mahoney wrote:
>> 1) Make printing work. =A0And by that I mean make it work JUST as it
>> would work without screen, i.e. not "buffer" and send a bunch of
>> printer stop/start sequences every 30 characters -- many SSH
>> applications interpret that stop sequence as a page feed.
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Subject: Re: Fwd: Two little features (printing)
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Hi,
I've been hesitating in replying to this point, because I am no C
programmer. But I faced the same problem with printing and made these
changes to the ansi.c module (I have version 4.0.2 so your line numbering
may be different), which seems to have fixed the issue:
0429: case 'i':
0430: if (!printcmd) <---- added this line
0431: AddCStr(D_PF); <---- added this line
0432: curr->w_state = LIT;
0433: PrintFlush();
0434: if (curr->w_pdisplay && curr->w_pdisplay->d_printfd >= 0)
0435: {
0436: close(curr->w_pdisplay->d_printfd);
0437: curr->w_pdisplay->d_printfd = -1;
0438: }
0439: curr->w_pdisplay = 0;
0440: break;
1601: curr->w_pdisplay = display;
1602: curr->w_stringp = curr->w_string;
1603: curr->w_state = PRIN;
1604: if (printcmd && curr->w_pdisplay->d_printfd < 0)
1605: curr->w_pdisplay->d_printfd = printpipe(curr, printcmd);
1606: else <---- added this line
1607: AddCStr(D_PO); <---- added this line
1608: }
1609:
1642: else if (display && curr->w_stringp > curr->w_string)
1643: {
1644: /* AddCStr(D_PO); */ <---- commented out this line
1645: AddStrn(curr->w_string, curr->w_stringp - curr->w_string);
1646: /* AddCStr(D_PF); */ <----- commented out this
line
1647: Flush();
1648: }
hth,
asvin
p.s.
Sorry Albert - I inadvertently sent this mail to you when I wanted to send
it to the whole list....
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HSBC Bank plc
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************************************************************
-----------------------------------------
SAVE PAPER - THINK BEFORE YOU PRINT!
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is neither an offer nor the solicitation of an offer to sell or
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charset="US-ASCII"
<br><font size=2><tt>Hi,</tt></font>
<br>
<br><font size=2><tt>I've been hesitating in replying to this point, because
I am no C programmer. But I faced the same problem with printing and made
these changes to the ansi.c module (I have version 4.0.2 so your line numbering
may be different), which seems to have fixed the issue:</tt></font>
<br>
<br>
<br><font size=2><tt>0429: &nbsp; &nbsp; &nbsp; case 'i': &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; </tt></font>
<br><font size=2><tt>0430: if (!printcmd) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &lt;---- added this line &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; </tt></font>
<br><font size=2><tt>0431: &nbsp;AddCStr(D_PF); &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;---- added this line &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp;</tt></font>
<br><font size=2><tt>0432: &nbsp; &nbsp; &nbsp; &nbsp; curr-&gt;w_state
= LIT; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</tt></font>
<br><font size=2><tt>0433: &nbsp; &nbsp; &nbsp; &nbsp; PrintFlush(); &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>0434: &nbsp; &nbsp; &nbsp; &nbsp; if (curr-&gt;w_pdisplay
&amp;&amp; curr-&gt;w_pdisplay-&gt;d_printfd &gt;= 0) </tt></font>
<br><font size=2><tt>0435: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; { &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>0436: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; close(curr-&gt;w_pdisplay-&gt;d_printfd);
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>0437: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; curr-&gt;w_pdisplay-&gt;d_printfd
= -1; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
</tt></font>
<br><font size=2><tt>0438: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; } &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>0439: &nbsp; &nbsp; &nbsp; &nbsp; curr-&gt;w_pdisplay
= 0; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>0440: &nbsp; &nbsp; &nbsp; &nbsp; break; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</tt></font>
<br>
<br>
<br><font size=2><tt>1601: &nbsp; curr-&gt;w_pdisplay = display; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1602: &nbsp; curr-&gt;w_stringp = curr-&gt;w_string;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1603: &nbsp; curr-&gt;w_state = PRIN; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1604: &nbsp; if (printcmd &amp;&amp; curr-&gt;w_pdisplay-&gt;d_printfd
&lt; 0) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</tt></font>
<br><font size=2><tt>1605: &nbsp; &nbsp; curr-&gt;w_pdisplay-&gt;d_printfd
= printpipe(curr, printcmd); &nbsp; &nbsp; &nbsp;</tt></font>
<br><font size=2><tt>1606: &nbsp;else &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;---- added
this line &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp;</tt></font>
<br><font size=2><tt>1607: &nbsp;AddCStr(D_PO); &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp;&lt;---- added this line &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1608: } &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1609: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br>
<br><font size=2><tt>1642: &nbsp; else if (display &amp;&amp; curr-&gt;w_stringp
&gt; curr-&gt;w_string) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp;</tt></font>
<br><font size=2><tt>1643: &nbsp; &nbsp; { &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;</tt></font>
<br><font size=2><tt>1644: /* &nbsp; &nbsp; &nbsp;AddCStr(D_PO); */ &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;---- commented out this
line &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1645: &nbsp; &nbsp; &nbsp; AddStrn(curr-&gt;w_string,
curr-&gt;w_stringp - curr-&gt;w_string); &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1646: /* &nbsp; &nbsp; &nbsp;AddCStr(D_PF); */ &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &lt;-----
commented out this line &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1647: &nbsp; &nbsp; &nbsp; Flush(); &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br><font size=2><tt>1648: &nbsp; &nbsp; } &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </tt></font>
<br>
<br>
<br><font size=2 face="sans-serif">hth,</font>
<br>
<br><font size=2 face="sans-serif">asvin</font>
<br>
<br>
<br><font size=2 face="sans-serif">p.s.</font>
<br>
<br><font size=2 face="sans-serif">Sorry Albert - I inadvertently sent
this mail to you when I wanted to send it to the whole list....<br>
<br>
************************************************************<br>
HSBC Bank plc may be solicited in the course of its placement efforts for
a new issue, by investment clients of the firm for whom the Bank as a firm
already provides other services. It may equally decide to allocate to its
own proprietary book or with an associate of HSBC Group. This represents
a potential conflict of interest. HSBC Bank plc has internal arrangements
designed to ensure that the firm would give unbiased and full advice to
the corporate finance client about the valuation and pricing of the offering
as well as internal systems, controls and procedures to identify and manage
conflicts of interest.<br>
<br>
HSBC Bank plc<br>
Registered Office: 8 Canada Square, London E14 5HQ, United Kingdom<br>
Registered in England - Number 14259<br>
Authorised and regulated by the Financial Services Authority.<br>
************************************************************<br>
</font>
<HTML><BODY><P><hr size=1></P>
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SAVE PAPER - THINK BEFORE YOU PRINT!
This transmission has been issued by a member of the HSBC Group "HSBC" for the information of the addressee only and should not be reproduced and/or distributed to any other person. Each page attached hereto must be read in conjunction with any disclaimer which forms part of it. Unless otherwise stated, this transmission is neither an offer nor the solicitation of an offer to sell or purchase any investment. Its contents are based on information obtained from sources believed to be reliable but HSBC makes no representation and accepts no responsibility or liability as to its completeness or accuracy.
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Hey all,
Is there ANY implementation at all, for when an app is running under
screen, for it to be able to launch a "new window" (for example, to view
an attachment in pine, to start a /query in irc, to view a file in MC)...
I'm not asking if this functionality exists in those programs, but if
there's a simple way of implementing it (i.e. if the calls exist, etc).
-Dan Mahoney
--
"If you aren't going to try something, then we might as well just be
friends."
"We can't have that now, can we?"
-SK & Dan Mahoney, December 9, 1998
--------Dan Mahoney--------
Techie, Sysadmin, WebGeek
Gushi on efnet/undernet IRC
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Site: http://www.gushi.org
---------------------------
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On Mon, Jul 28, 2008 at 10:10:18PM -0400, Dan Mahoney, System Admin wrote:
> Is there ANY implementation at all, for when an app is running under
> screen, for it to be able to launch a "new window" (for example, to
> view an attachment in pine, to start a /query in irc, to view a file
> in MC)...
>
> I'm not asking if this functionality exists in those programs, but
> if there's a simple way of implementing it (i.e. if the calls exist,
> etc).
There is: have your program run "screen foo" to start the app "foo" on
a new screen window. Because $STY is set within screen, your
invocation "screen foo" creates a new window instead of a new session.
Unfortunately, this use case for screen is horribly broken if you want
to create the new window from within a script (e.g. an Emacs key
binding), because "screen foo" still checks if there is a controlling
terminal -- even though in this case it doesn't need one. I get
around this by instead running "xterm -e screen foo", which causes a
second xterm to pop up for a second. This is a really evil and
unpleasant kludge, and it makes me sad.
Further reading: http://bugs.debian.org/461107
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* Dan Mahoney, System Admin <danm@prime.gushi.org> [2008-07-28 22:10 -0400]:
> Is there ANY implementation at all, for when an app is running under
> screen, for it to be able to launch a "new window" (for example, to view
> an attachment in pine, to start a /query in irc, to view a file in MC)...
I believe BitchX can do this, although its multiwindow code is pretty
buggy in its own right. You could probably get some ideas on how to
implement it yourself from looking at the BitchX source code, though.
--
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-- Manoj
haha! i nominate manoj.
-- seeS
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Date: Tue, 29 Jul 2008 12:38:03 -0400
From: Ethan Mallove <ethan.mallove@sun.com>
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Subject: Can a frozen Screen be revived?
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Hi,
My screen has frozen. Is there a way to defibrillate it?
$ pstack 31472
31472: screen -S mutt -c /home/emallove/.screenrc-temp
ff145f60 write (5, 231a9a8, 9fcf)
0006238c FinitTerm (8f3f0, 1, 18d40, 30af0, 30800, 0) + 32c
00016438 Detach (2, 2f31, 8f3f0, 2f313230, 80808080, 4) + 38
000306c8 ReceiveMsg (89ee0, 0, 18d40, 30af0, 30800, 8f3f0) + 7e8
000695b4 sched (89704, 89000, 74400, f4240, 88800, 88800) + 334
0001c0b4 main (0, 8c000, 18c00, fffffff6, 18c00, 89ee0) + 2674
00015d1c _start (0, 0, 0, 0, 0, 0) + 5c
Based on the above stack trace, does anyone have an idea of
what is going on?
In this thread, someone advised to do "screen -x <session>",
and wait 15 minutes. I tried that, but screen -x has been
hanging for about an hour.
http://lists.gnu.org/archive/html/screen-users/2008-07/msg00037.html
$ screen -v
Screen version 4.00.02 (FAU) 5-Dec-03
$ uname -a
SunOS ... 5.10 Generic_127111-07 sun4v sparc SUNW,Sun-Fire-T200
Thanks,
Ethan
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On Mon, 28 Jul 2008, Dan Mahoney, System Admin wrote:
> Hey all,
>
> Is there ANY implementation at all, for when an app is running under screen,
> for it to be able to launch a "new window" (for example, to view an
> attachment in pine, to start a /query in irc, to view a file in MC)...
I know the links web browser (not lynx), can open a link in a new screen
window. Looking at ps output, it looks like it runs another instance of
links, so it probably does the equiv of
:screen links $newurl
> I'm not asking if this functionality exists in those programs, but if there's
> a simple way of implementing it (i.e. if the calls exist, etc).
>
> -Dan Mahoney
--
Michael Parson
mparson@bl.org
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From: Juergen Weigert <jw@cs.fau.de>
To: Michael Parson <mparson@bl.org>
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Subject: Re: Apps creating new windows?
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On Jul 31, 08 13:13:26 -0500, Michael Parson wrote:
> On Mon, 28 Jul 2008, Dan Mahoney, System Admin wrote:
>
> >Hey all,
> >
> >Is there ANY implementation at all, for when an app is running under
> >screen, for it to be able to launch a "new window" (for example, to view
> >an attachment in pine, to start a /query in irc, to view a file in MC)...
man screen says:
[...] new windows can be created by running a command like:
screen emacs prog.c
from a shell prompt within a previously created window. This will not run
another copy of screen, but will instead supply the command name and its
arguments to the window manager (specified in the $STY environment
variable) who will use it to create the new window. The above example
would start the emacs editor (editing prog.c) and switch to its window.
> I know the links web browser (not lynx), can open a link in a new screen
> window. Looking at ps output, it looks like it runs another instance of
> links, so it probably does the equiv of
>
> :screen links $newurl
>
> >I'm not asking if this functionality exists in those programs, but if
> >there's a simple way of implementing it (i.e. if the calls exist, etc).
The answer is yes.
Although it is not the API call you may now want to implement, It is
a simple command line call.
cheers,
Jw.
--
o \ Juergen Weigert unix-software __/ _=======.=======_
<V> | jw@cs.fau.de creator __/ _---|____________\/
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* Trent W. Buck on Tuesday, July 29, 2008 at 12:35:52 +1000
> On Mon, Jul 28, 2008 at 10:10:18PM -0400, Dan Mahoney, System Admin wrote:
>> Is there ANY implementation at all, for when an app is running under
>> screen, for it to be able to launch a "new window" (for example, to
>> view an attachment in pine, to start a /query in irc, to view a file
>> in MC)...
>>
>> I'm not asking if this functionality exists in those programs, but
>> if there's a simple way of implementing it (i.e. if the calls exist,
>> etc).
>
> There is: have your program run "screen foo" to start the app "foo" on
> a new screen window. Because $STY is set within screen, your
> invocation "screen foo" creates a new window instead of a new session.
>
> Unfortunately, this use case for screen is horribly broken if you want
> to create the new window from within a script (e.g. an Emacs key
> binding), because "screen foo" still checks if there is a controlling
> terminal -- even though in this case it doesn't need one. I get
> around this by instead running "xterm -e screen foo", which causes a
> second xterm to pop up for a second. This is a really evil and
> unpleasant kludge, and it makes me sad.
I might be wrong, but it sounds like you could achieve this with:
"screen -X screen foo".
c
--
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I do not know if this is an issue with my config
but when I run the vertical split with layouts and
I try to use the windowlist command (Ctrl-a ") I
get the following message:
Window size too small for window list page
then
Width 2 chars too small
Am i missing something?
jy
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On Tue, Aug 05, 2008 at 04:59:21PM +0200, Christian Ebert wrote:
> I might be wrong, but it sounds like you could achieve this with:
> "screen -X screen foo".
The part where -X is incompatible with :password (in the bug report,
but not reproduced in the post itself).
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Subject: Re: [screen-devel] couple of mac building issues, patch for one
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Micah Cowan wrote:
> (My mailer is doing the quoting backwards again)
>
> Tom Scogland wrote:
>> On Thu, Jun 26, 2008 at 12:26 PM, Micah Cowan <micah@cowan.name> wrote:
>> Tom Scogland wrote:
>>>>> Hi,
>>>>> I've been a screen user for a few years on linux, but when switching
>>>>> to osx as my primary os not too long ago (long story...) I found the
>>>>> current development versions wont build. The issue was just a #ifdef
>>>>> that was checking the wrong item, patch attached. (sorry if this isn't
>>>>> the right place, given recent activity it seemed like the best idea)
>> The patch doesn't look appropriate to me. Perhaps an explicit header
>> check in configure.in would be better?
>
>>> Admittedly it might be, but the patch seemed appropriate as 'SVR4'
>>> rather than 'HAVE_SVR4_PTYS' is used to check all 3 other inclusions
>>> of that header. Thus my assumption was that it was a typo in pty.c
>>> that the wrong define was used, and thus a reasonable solution to make
>>> it match the 3 in process.c, screen.c and tty.c.
>
> You're right, of course: I was informed of this later, and sure enough,
> you're right.
>
> I like the direct check better, but I have to admit that "inappropriate"
> was a poor word to describe it.
>
> At least for the meantime, it's probably preferable to maintain
> consistency; we can always change it later.
Fedora Core 9 apparently lacks <stropts.h>, and of course changing
HAVE_SVR4_PTYS does them no good. So it sounds like we need to go with
the "right" fix for this (explicit check for headers) after all.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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From: "Aaron Davies" <aaron.davies@gmail.com>
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Subject: Getting screen size into the env?
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How do I get the screen size env vars set properly? Screen appears to
be populating TERMCAP for me (correctly), as it's not defined when
outside of screen, but does exist inside.
$ echo $TERMCAP|tr : \\n|egrep li\|co
li#62
co#158
$ env|grep 62\|158
$ echo $?
1
I'm running screen under cygwin, using the latest version of cygwin,
the cygwin distro of screen, and the latest version of puttycyg as my
terminal.
--
Aaron Davies
aaron.davies@gmail.com
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Aaron Davies wrote:
> How do I get the screen size env vars set properly? Screen appears to
> be populating TERMCAP for me (correctly), as it's not defined when
> outside of screen, but does exist inside.
There's nothing that ever sets env vars to the screen size.
However, if you use bash, it will set _shell_ variables, COLUMNS and
LINES, automatically. This isn't something that screen does, but bash.
Bash does _not_ export these by default, however; you'll need to do
$ export COLUMNS LINES
to get them into the environment. Of course, if you're not running bash,
you may not have them at all; in which case you may need to parse them
out of the screen-supplied TERMCAP (which, unlike the bash vars, can't
be kept up-to-date when the window size changes).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Getting screen size into the env?
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On Thu, Aug 7, 2008 at 2:14 PM, Micah Cowan <micah@cowan.name> wrote:
> Aaron Davies wrote:
>> How do I get the screen size env vars set properly? Screen appears to
>> be populating TERMCAP for me (correctly), as it's not defined when
>> outside of screen, but does exist inside.
>
> There's nothing that ever sets env vars to the screen size.
>
> However, if you use bash, it will set _shell_ variables, COLUMNS and
> LINES, automatically. This isn't something that screen does, but bash.
> Bash does _not_ export these by default, however; you'll need to do
>
> $ export COLUMNS LINES
>
> to get them into the environment. Of course, if you're not running bash,
> you may not have them at all; in which case you may need to parse them
> out of the screen-supplied TERMCAP (which, unlike the bash vars, can't
> be kept up-to-date when the window size changes).
Hmm, OK. I am running bash, at least according to /etc/passwd, though
$SHELL seems to be "sh". In any case, zsh seems to do it correctly on
my setup, and I prefer zsh anyway.
--
Aaron Davies
aaron.davies@gmail.com
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Subject: Re: Getting screen size into the env?
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2008/8/7 Micah Cowan <micah@cowan.name>:
> However, if you use bash, it will set _shell_ variables, COLUMNS and
> LINES, automatically. This isn't something that screen does, but bash.
> Bash does _not_ export these by default, however; you'll need to do
>
> $ export COLUMNS LINES
Rather unportably between Unixes:
eval $(resize)
-- Thomas Adam
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Cc: Micah Cowan <micah@cowan.name>, Screen Users <screen-users@gnu.org>
Subject: Re: Getting screen size into the env?
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"Thomas Adam" <thomas.adam22@gmail.com> writes:
> 2008/8/7 Micah Cowan <micah@cowan.name>:
>> However, if you use bash, it will set _shell_ variables, COLUMNS and
>> LINES, automatically. This isn't something that screen does, but bash.
>> Bash does _not_ export these by default, however; you'll need to do
>>
>> $ export COLUMNS LINES
>
> Rather unportably between Unixes:
>
> eval $(resize)
resize requires having a terminal type that actually does xterm-style
answerback, which as at best a "maybe".
What you *really* want is the output of stty:
$ stty -a |grep rows
speed 38400 baud; rows 56; columns 144; line = 0;
because it's a property of the tty, and changed there - putting the
values in the environment is an old and not-really-workable hack.
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FYI, the 4.0.3 sources are now also available at ftp.gnu.org, in
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On 8/7/08, Micah Cowan <micah@cowan.name> wrote:
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>
> FYI, the 4.0.3 sources are now also available at ftp.gnu.org, in
> addition to the uni-erlangen.de site.
o
Are they the sources including the vertical split or not?
jy
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer.
> GNU Maintainer: wget, screen, teseq
> http://micah.cowan.name/
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To: Jean-Yves Levesque <jean.yves.levesque@gmail.com>
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Subject: Re: Screen 4.0.3 @ GNU FTP (existing release)
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Jean-Yves Levesque (jean.yves.levesque@gmail.com) said:
> Are they the sources including the vertical split or not?
You could download the tarball and check if you're really interested...
4.0.3 is the release from 2006, so no, it does not include vertical
split.
--
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I am probably more interested in knowing when the
next release (including the vertical split) would
be officially out (I am using the git version curretnly).
On 8/8/08, Adam Lazur <adam@lazur.org> wrote:
> Jean-Yves Levesque (jean.yves.levesque@gmail.com) said:
>> Are they the sources including the vertical split or not?
>
> You could download the tarball and check if you're really interested...
>
> 4.0.3 is the release from 2006, so no, it does not include vertical
> split.
>
> --
> Adam Lazur
>
--
Je ne parle qu'en mon nom.
I am only speaking for myself.
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Jean-Yves Levesque wrote:
> I am probably more interested in knowing when the
> next release (including the vertical split) would
> be officially out (I am using the git version curretnly).
Yeah, that's why this was a very minor note, rather than a major
announcement. It's not so much a release announcement (which would also
have gone to info-gnu@gnu.org), as a note that the ftp.gnu.org (which is
intended to be the primary release site) is now less incomplete than it
was. :)
I may be wrong, but I think we could be looking at a 4.1.0 release
around the turn of the year. Sadrul (especially) and I have been killing
bugs at a fairly quick rate, and we're down to about 20 bugs currently
being tracked against the 4.1.0 release (with more that have been marked
for later releases):
https://savannah.gnu.org/bugs/?group=screen&func=browse&set=custom&msort=1&custom_sb1[]=0&assigned_to[]=0&resolution_id[]=0&priority[]=0&severity[]=0&status_id[]=1&plan_release_id[]=101&release_id[]=0&details[]=&summary[]=&advsrch=1&msort=1&chunksz=50&spamscore=5&report_id=195&sumORdet=0&morder=priority%3C&sumOrdet=0&order=custom_sb1
I do expect that there will be more than those 20 bugs to fix before we
can release: layouts and groups need more refinement and
playing-around-with before a 4.1.0 release can be done, and may need
some additional supporting features (though not many, I think). Then
there needs to be a testing period, probably (although a good many
people are happily using the git sources).
Of course, if you'd like to hurry up the process, feel free to submit
patches against the bugs that are left, so we can finish it up. :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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On Fri, Aug 08, 2008 at 12:07:20PM -0700, Micah Cowan wrote:
[...]
> Of course, if you'd like to hurry up the process, feel free to submit
> patches against the bugs that are left, so we can finish it up. :)
[...]
Hi Micah,
it's nice to see activity going on on screen again! Thanks for
the effort!
I've had a look at a bug report with patch that I had submitted
some time ago: https://savannah.gnu.org/bugs/?11021
The state says "needs discussion". I'm happy to discuss. Is
there any objection to the fix I'm suggesting? The only
comment on that bug, is about saying that "mouse is
already supported" which is not relevant to the issue.
Best regards,
St=E9phane
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So, what would _really_ help me out in getting the documentation ready
for a 4.1.0 release, is if someone would step up to volunteer to
maintain the man page.
The first step would be to ensure that the man page is in-step with the
Texinfo manual; currently I believe the man page is a couple steps
behind. the content is essentially the same between them, so for the
most part you should actually be able to compare them side-by-side for
differences. Tedious work, obviously.
The next step would be to watch changes made to the Texinfo document
(which I'll be updating to reflect the current state of things), and
transfer them to the man-page.
Basically, I'm willing to maintain one big, hulking, autonomous manual;
but I will not maintain two. I need someone else to step up for that. If
no one does, then this release will be issued with a woefully
out-of-date man page (lacking information on all the nifty new stuff),
and future releases might include one of those shell-of-a-manpages that
simply refer the reader to the Texinfo documentation. Surely that's
enough to scare a few of you into volunteering? ;)
To my mind, unifying on a single source format would be the best
long-term approach, rather than having two manuals maintained. So far,
the approach that makes the most sense to me is to use the Texinfo as
the source document, generating the manpage with texi2pod.pl (see Wget's
Texinfo documentation for an understanding of this; note that, even with
texi2pod.pl, however, Wget's man page is still very much inferior to
their Texinfo counterparts: only a small portion is translated into the
man page). However, for Screen this would require texi2pod.pl to be
modified to allow arbitrary sections to be transmitted (it only allows
the standard ones, currently).
Actually, though, as it stands, a big-hulking man page strikes me as
remarkably untraditional. It seems to me that, if we're going to do man
pages right for Screen, we should split it apart into separate man pages
by concept. For instance, one dedicated to the invocation options,
another dedicated to commands (screen(5) or screenrc(5)), another
dedicated to screen's mechanisms for hardstatus/caption/autoaka, another
for screen's terminal emulation details... of course, doing such a thing
would also mean that it would be a lot more challenging to generate from
the Texinfo documentation, so would really require a separate maintainer
(or more heavy modifications to texi2pod, or something).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Mouse-support with "exec" filters
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Stephane Chazelas wrote:
> On Fri, Aug 08, 2008 at 12:07:20PM -0700, Micah Cowan wrote:
> [...]
>> Of course, if you'd like to hurry up the process, feel free to submit
>> patches against the bugs that are left, so we can finish it up. :)
> [...]
>
> Hi Micah,
>
> it's nice to see activity going on on screen again! Thanks for
> the effort!
>
> I've had a look at a bug report with patch that I had submitted
> some time ago: https://savannah.gnu.org/bugs/?11021
> The state says "needs discussion". I'm happy to discuss. Is
> there any objection to the fix I'm suggesting? The only
> comment on that bug, is about saying that "mouse is
> already supported" which is not relevant to the issue.
I think the discussion I wished to have, was whether there was agreement
that in all cases we would wish the mouse sequences to go to the filter,
rather than the application. I would think that in many cases, one would
wish the reverse (say if the application is vim, and the filter doesn't
get mouse sequences).
In order to be done right, it might be necessary for screen to determine
which tty the mouse-tracking sequence was sent on (app's or filter's).
OTOH, a case might be made that none of this applies when the filter
spec has "." as the first character. I'm not confident enough in my
knowledge/experience with filters to make such a judgment, which is why
I wanted to discuss it. :)
BTW, you might want to add yourself to that bug's Cc list (if you lack
an account, you should still be able to add yourself, by filling in a
captcha).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: "exec .!" filters seeing responses to "query" escape sequences
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On Fri, Aug 08, 2008 at 02:18:02PM -0700, Micah Cowan wrote:
[...]
> I think the discussion I wished to have, was whether there was agreemen=
t
> that in all cases we would wish the mouse sequences to go to the filter=
,
> rather than the application. I would think that in many cases, one woul=
d
> wish the reverse (say if the application is vim, and the filter doesn'=
t
> get mouse sequences).
Sorry,=20
I shouldn't have brought that thing about the mouse because it
is not at all about that, and it seemed to have confused
everybody.
A mouse event is exactly like a keyboard event, upon a keypress,
the tty sends a character or character sequence to screen.
Screen will generate a character for the window that currently
has the focus, and/or any filter that is configure to filter the
input. For a xterm-like mouse event it's the same thing, the tty
sends a character sequence to screen. screen might translate it
if there are split screen and send that to the current windows
and/or filter if the filter is configured to get the input.
That's what screen does already at the moment, it's all fine.
But my bug report was not at all about that.
There are some control sequences that you send to the terminal,
and the terminal /replies/ with another one.
One of them is the one to query the cursor (*not* mouse cursor)
position: Report Cursor Position (CPR): if your application
writes \e[6n to the slave side of its pty, xterm will reply with
the cursor position. It will write something like \e[4;1R to the
master side of the terminal, so that if the application reads
=66rom the slave side, it will get those characters as if the user
had typed ESC [ 4 ; 1 R.
Just like xterm, screen supports that CPR sequence. The
difference with the pressing of a key or mouse button is that it
is initiated by an application talking to screen. And screen
makes up its response by itself. The host terminal is not
queried, screen might even be detached.
At the moment, the sequence that screen replies with (the cursor
(not mouse cursor, just text cursor) position like \e[4;1R) goes
to the application OK, but it doesn't go to a filter that is
configured to get the input (first character is "." as in exec
.!.), contrary to the mouse events. And I was saying it is not
right because they are inputs all the same, it's as if the user
had typed ESC [ 4 ; 1 R. So that's my bug report, nothing to do
with mouse.
Now, to explain why I brought the mouse thing up that confused
everybody: one example for which it would be useful to have the
filter see those /answers/ from screen is that it could allow
you to give mouse support to any application, for instance
"vi" (the good old vi, not vim which has support for mouse of
its own already) or GNU info. If you have a filter that
intercepts all the input (including the responses to the Report
Cursor Position), you can make that filter so that it intercepts
mouse events. That part works OK at the moment. Upon a click,
the filter is able to determine the position of the mouse
cursor because that's encoded in the character sequence that it
can read. Then that filter can issue a CPR to get the position
of the cursor. Unfortunately, at the moment, it cannot get the
answer because it is not sent to it, only to the application.
But if it could, it could have the information about both the
current cursor position and the position of the screen where the
user mouse-clicked so that it could for instance send the correct
sequence of <Ctrl-F> and <Ctrl-N> to tell "info" to move the
cursor localtion to where the user clicked.
I hope it clarifies it a bit.
Best regards,
St=E9phane
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Subject: Re: "exec .!" filters seeing responses to "query" escape sequences
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Stephane Chazelas wrote:
> On Fri, Aug 08, 2008 at 02:18:02PM -0700, Micah Cowan wrote:
> [...]
>> I think the discussion I wished to have, was whether there was agreement
>> that in all cases we would wish the mouse sequences to go to the filter,
>> rather than the application. I would think that in many cases, one would
>> wish the reverse (say if the application is vim, and the filter doesn't
>> get mouse sequences).
>
> Sorry,
>
> I shouldn't have brought that thing about the mouse because it
> is not at all about that, and it seemed to have confused
> everybody.
<snip example using CPR, rather than mouse-tracking>
I was aware that the issue wasn't specific to mouse-reporting. What I
didn't realize is that the issue actually fails to apply at _all_ to
mouse-reporting. Your talk about mouse support is possibly even more of
a red herring than you knew. :)
The concerns I brought up in my previous response still apply, whether
mouse-tracking is concerned or not: should "screen-generated" responses
be sent to the filtering process in all cases, or is that likely to
confuse filters which weren't set up for it?
The bit I wrote:
> In order to be done right, it might be necessary for screen to determine
> which tty the mouse-tracking sequence was sent on (app's or filter's).
is equally applicable if you replace "mouse-tracking sequence" with "CPR
sequence".
However, what I did not realize is that mouse-tracking sequences are
_already_ always sent to the filter, and not the application, with or
without the patch you provided. I was assuming that it worked through
the same mechanism that response to CPR use. However, after some digging
around, I realize now that this is not at all the case: screen responds
to CPR internally, and issues its response directly to the application.
However, when screen sees mouse-tracking requests, it passes it on to
the host terminal (that part I already knew), and then when it sees
mouse-state reports, it leaves the report in-stream (if it's for the
correct position), and simply adjusts the information. I had been
thinking the information got swallowed up, and re-reported via Report()
or similar.
So, my concern whether screen-generated responses holds somewhat less
weight as an impedement to your patch, since mouse-tracking sequences
(which are also "responses" to application (or filter) requests), are
_already_ always sent to the filter's input, leading to an inconsistency.
However, the concern still remains, that if I apply your patch, it may
be that filters that didn't send/don't expect a response to an
application-sent CPR may be confused/broken. I'm thinking that it might
be more robust if screen were to note which tty the CPR (or other
request) came down (application or pseudo), and send the response back
on the same one.
For consistency, one could also consider having screen swallow up
mouse-tracking responses, and reissue them down only the ttys on which
requests had been seen.
But that wouldn't be a general solution, since other term-specific
query/responses couldn't be caught by Screen, and so would always end up
at the filter end in any case. So, perhaps I should simply apply your
patch to obtain a general _and_ consistent solution (if a potentially
existing-filters-breaking one), and have done with it.
...which is why this is a discussion, and not a rant. Feedback, anyone? :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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From: "Trent W. Buck" <trentbuck@gmail.com>
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On Fri, Aug 08, 2008 at 01:20:03PM -0700, Micah Cowan wrote:
> The first step would be to ensure that the man page is in-step with the
> Texinfo manual; currently I believe the man page is a couple steps
> behind. the content is essentially the same between them, so for the
> most part you should actually be able to compare them side-by-side for
> differences. Tedious work, obviously.
Surely texinfo can be automatically converted into a roff manpage?
> Actually, though, as it stands, a big-hulking man page strikes me as
> remarkably untraditional.
The GNU convention would be to have a simple one- or two-page manpage,
which includes a SYNOPSIS and a brief DESCRIPTION and then says "use
info for the complete manual".
IMO this is a reasonable approach. How do other stakeholders feel?
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On 2008-08-09 14:53:10, Trent W. Buck wrote:
> On Fri, Aug 08, 2008 at 01:20:03PM -0700, Micah Cowan wrote:
> > The first step would be to ensure that the man page is in-step with=20
> > the Texinfo manual; currently I believe the man page is a couple=20
> > steps behind. the content is essentially the same between them, so=20
> > for the most part you should actually be able to compare them=20
> > side-by-side for differences. Tedious work, obviously.
>
> Surely texinfo can be automatically converted into a roff manpage?
Not according to Wikipedia:
Notable is the lack of man as an output format from the standard=20
Texinfo tools. True, Texinfo is used for writing the documentation of=20
GNU software, which typically is used in Unix-like environments such=20
as GNU/Linux, where the traditional format for documentation is man.=20
But the design rationale for the standard Texinfo tools' omission of=20
man as an output format is that man pages have a strict conventional=20
format, used traditionally as quick reference guides, whereas typical=20
Texinfo applications are for tutorials as well as reference manuals.=20
As such, no benefit is seen in expressing Texinfo content in man page=20
format. Moreover, many GNU projects eschew man pages almost=20
completely, referring the reader of the provided man page (which often=20
describes itself as seldom maintained) to the Info document.
<http://en.wikipedia.org/wiki/Texinfo>
> > Actually, though, as it stands, a big-hulking man page strikes me as=20
> > remarkably untraditional.
>
> The GNU convention would be to have a simple one- or two-page manpage,=20
> which includes a SYNOPSIS and a brief DESCRIPTION and then says "use=20
> info for the complete manual".
>
> IMO this is a reasonable approach. How do other stakeholders feel?
I like manpages, I think it's a nice format for reference. I never=20
understood why the GNU Project dislikes manpages, and personally I tend=20
to get a little annoyed when I have to do a _second_ search in the info=20
material (which sometimes has to be installed separately) when it easily=20
could've been included in the man page.
To make both worlds happy, maybe an idea would be to convert the Texinfo=20
documentation into DocBook, which is able to create pretty manpages in=20
addition to the formats Texinfo generates. If this is of interest, I can=20
volunteer for the Texinfo =E2=86=92 DocBook conversion.
=C3=98yvind
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Date: Wed, 6 Aug 2008 07:44:32 -0700
From: Ken Steen <ken@greenideas.net>
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Subject: 2 problems using screen with sshfs and symlinks
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I have a small file manager that uses screen to open programs in new
screen windows. It works correctly except when using screen on a
directory mounted with sshfs or when using screen on a directory that is
a symbolic link. If the program is started with 'screen program-name',
and the current directory is a symbolic link to another directory
opening a new screen window changes the pwd to the directory that is
pointed to by the symbolic link instead of the symbolic link directory.
If the program is started in the shell without screen and then opens a
screen window the pwd is the symbolic link directory. A similar problem
occurs when a directory is mounted with sshfs. If the program is
started with 'screen program-name' screen will give a permission denied
message when trying to open a new screen window. If the program is
started in a shell without screen and trys to open a sshfs mounted
directory in a screen window it works correctly.
I am not sure what is happening. I am guessing that the environ
variable is not being set correctly. The screen command is passed with
execve() and works correctly except in the previous two examples. Any
ideas into what I am doing wrong would be greatly appreciated.
Ken
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From: "Trent W. Buck" <trentbuck@gmail.com>
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On Wed, Aug 06, 2008 at 07:44:32AM -0700, Ken Steen wrote:
> If [my] program is started with 'screen program-name', and the
> current directory is a symbolic link to another directory opening a
> new screen window changes the pwd to the directory that is pointed
> to by the symbolic link instead of the symbolic link directory. If
> the program is started in the shell without screen and then opens a
> screen window the pwd is the symbolic link directory.
Does this problem occur with other terminal emulators (than screen)?
xterm -hold -e program-name
rxvt -e program-name
gnome-terminal -x program-name
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Date: Sun, 10 Aug 2008 10:22:19 -0400
From: Sadrul Habib Chowdhury <imadil@gmail.com>
To: Jean-Yves Levesque <jean.yves.levesque@gmail.com>
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Subject: Re: Vertical Split and Window List
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* Jean-Yves Levesque had this to say on [05 Aug 2008, 11:40:03 -0400]:
> I do not know if this is an issue with my config
> but when I run the vertical split with layouts and
> I try to use the windowlist command (Ctrl-a ") I
> get the following message:
>
> Window size too small for window list page
>
> then
>
> Width 2 chars too small
>
> Am i missing something?
Hi. I just pushed in a change (revision d938e51) that I think fixes this
problem. Could you please try it out and let us know if you still see
the bug?
Thanks.
Sadrul
> jy
>
> --
> Je ne parle qu'en mon nom.
> I am only speaking for myself.
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
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Date: Sun, 10 Aug 2008 21:18:21 -0400
From: "Andy Harrison" <aharrison@gmail.com>
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Subject: Re: 2 problems using screen with sshfs and symlinks
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On Wed, Aug 6, 2008 at 10:44 AM, Ken Steen <ken@greenideas.net> wrote:
> I have a small file manager that uses screen to open programs in new
> screen windows. It works correctly except when using screen on a
> directory mounted with sshfs or when using screen on a directory that is
> a symbolic link. If the program is started with 'screen program-name',
> and the current directory is a symbolic link to another directory
> opening a new screen window changes the pwd to the directory that is
> pointed to by the symbolic link instead of the symbolic link directory.
> If the program is started in the shell without screen and then opens a
> screen window the pwd is the symbolic link directory. A similar problem
> occurs when a directory is mounted with sshfs. If the program is
> started with 'screen program-name' screen will give a permission denied
> message when trying to open a new screen window. If the program is
> started in a shell without screen and trys to open a sshfs mounted
> directory in a screen window it works correctly.
>
> I am not sure what is happening. I am guessing that the environ
> variable is not being set correctly. The screen command is passed with
> execve() and works correctly except in the previous two examples. Any
> ideas into what I am doing wrong would be greatly appreciated.
>
Although completely unrelated to screen, I had similar permission
problems with one of my sshfs mounts. I finally solved it with the
following sshfs params:
sshfs my_username@servername:/path /mount/point -o allow_root -o
idmap=user -o uid=1000 -o gid=1000
I would suggest trying that, or change allow_root to allow_other, and
see if that helps.
--
Andy Harrison
public key: 0x67518262
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Subject: Re: 2 problems using screen with sshfs and symlinks
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On Sun, Aug 10, 2008 at 09:18:21PM -0400, Andy Harrison wrote:
> Although completely unrelated to screen, I had similar permission
> problems with one of my sshfs mounts. I finally solved it with the
> following sshfs params: [... -o allow_root]
Hmm -- perhaps this is related to screen being set-uid? Perhaps it
does some things as root before relinquishing privileges that it
should be doing as the non-privileged user?
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Subject: Screen, xterm, initialization strings.
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
So, the other day, I suddenly found that screen was no longer using the
alternate screen buffer as it usually does. Worse, screen _thought_ it
was operating under the alternate screen buffer, so left a dirty screen
upon exit. Thinking it was a recently-introduced but, I spent pretty
much the whole day tracking down the problem, which turned out to be
that after blowing away /opt/screen and reinstalling, I neglected to
copy etcscreenrc to /opt/screen/etc/screenrc, which has the following:
# Long time I had this in my private screenrc file. But many people
# seem to want it (jw):
# we do not want the width to change to 80 characters on startup:
# on suns, /etc/termcap has :is=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;3;4;6l:
termcap xterm 'is=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;4;6l'
terminfo xterm 'is=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;4;6l'
I use gnome-terminal (which advertises as xterm), which has the
following ("is2" is terminfo for termcap's "is"):
$ tput is2 | cat -v; echo
^[[!p^[[?3;4l^[[4l^[>
Note the initial ^[[!p, which is the sequence for DECSTR, the soft
reset. In vte (gnome-terminal, xfce4-terminal), this has the effect
(among others), of bringing the terminal back into the normal screen
buffer. (Ironically, it does not have this effect in an actual xterm.)
My question is: is screen even right to issue the initialization string,
at all? And particularly _after_ issuing smkx. My understanding is that
is2 and friends should be sent on user login. One could, perhaps, argue
that using screen _does_ amount to a login of sorts; but considering
that nowhere else does one find it issued _after_ entering application
keypad mode (which it could reasonably be expected to reverse, alternate
buffer or no), and that terminfo(5) specifically states that it would
normally set 80-column mode (which, according to the comment above, we'd
want to avoid)... it seems extremely likely to me that issuing the init
string gives a lot more potential for causing problems than solving
them. Sure, we can just go on entering custom termcap settings in
screenrc whenever we encounter a problem, but should that really be the
answer?
I propose that screen not send the initialization string. Probably with
a command-line option that specifies it should be sent (though, IMO it
should be sent before smkx, and not after). Any thoughts on this?
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Screen, xterm, initialization strings.
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Micah Cowan wrote:
> My question is: is screen even right to issue the initialization string,
> at all? And particularly _after_ issuing smkx.
(Sorry, here and elsewhere, I mean smcup (termcap "ti"), not smkx.)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Date: Sun, 10 Aug 2008 21:50:45 -0700
From: Ken Steen <ken@greenideas.net>
To: screen-users@gnu.org
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Subject: Re: 2 problems using screen with sshfs and symlinks
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On Sun, Aug 10, 2008 at 09:18:21PM -0400, Andy Harrison wrote:
> On Wed, Aug 6, 2008 at 10:44 AM, Ken Steen <ken@greenideas.net> wrote:
> > I have a small file manager that uses screen to open programs in new
> > screen windows. It works correctly except when using screen on a
> > directory mounted with sshfs or when using screen on a directory that is
> > a symbolic link. If the program is started with 'screen program-name',
> > and the current directory is a symbolic link to another directory
> > opening a new screen window changes the pwd to the directory that is
> > pointed to by the symbolic link instead of the symbolic link directory.
> > If the program is started in the shell without screen and then opens a
> > screen window the pwd is the symbolic link directory. A similar problem
> > occurs when a directory is mounted with sshfs. If the program is
> > started with 'screen program-name' screen will give a permission denied
> > message when trying to open a new screen window. If the program is
> > started in a shell without screen and trys to open a sshfs mounted
> > directory in a screen window it works correctly.
> >
> > I am not sure what is happening. I am guessing that the environ
> > variable is not being set correctly. The screen command is passed with
> > execve() and works correctly except in the previous two examples. Any
> > ideas into what I am doing wrong would be greatly appreciated.
> >
>
> Although completely unrelated to screen, I had similar permission
> problems with one of my sshfs mounts. I finally solved it with the
> following sshfs params:
>
> sshfs my_username@servername:/path /mount/point -o allow_root -o
> idmap=user -o uid=1000 -o gid=1000
>
> I would suggest trying that, or change allow_root to allow_other, and
> see if that helps.
>
I had to use the -o allow_other and -o default_permissions with sshfs to
get it to work properly with screen. The symlink directory problem was
fixed by calling "screen -X setenv PWD /full/path/to/directory" before
calling screen to open a new window. I don't know why it is needed only
on symlink directories but it works.
Thanks,
Ken
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From: Stephane Chazelas <Stephane_Chazelas@yahoo.fr>
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Subject: Re: Mouse-support with "exec" filters
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On Fri, Aug 08, 2008 at 02:18:02PM -0700, Micah Cowan wrote:
[...]
> I think the discussion I wished to have, was whether there was agreemen=
t
> that in all cases we would wish the mouse sequences to go to the filter=
,
> rather than the application. I would think that in many cases, one woul=
d
> wish the reverse (say if the application is vim, and the filter doesn'=
t
> get mouse sequences).
Hi Micah,
I don't agree with that. If I filter the input to vim, I don't
see why I would expect part of the input not to go through the
filter.
But I'm talking here only of filters that filters the input,
that is what is otherwise being sent to the applications (what
applications read from their slave, or what they would have read
in the absence of a filter).
That includes characters sent upon a key press (or return) or
mouse button press or motion if the application requested mouse
tracking, screen -X stuff, responses to "report" sequences and
so on.
By trying to be clever and guess and select which of those a
filter author might be interested in, I fear that we lose in
clarity and flexibility.
It should be up to the filter to select what it is interested
in: anyway, if it filters the input to a curses like
application, it has to know how to cope with character sequences
sent upon <Left>, <Home>, <F*> keys and so on. The <kMouse> key
is just another character sequence, you may consider for
instance that there's a key for every character cell on the
window.
Every time I try to use filters, I have to scratch my head for a
while as it's quite complex. Having *all* the input go through
filters that have "." as the first character is the fd
specification looks like the most sensible thing to do to me and
what a user would expect.
It allows filters to do stuff on all the sorts of input. If you
leave one sort of input out, that means less flexibility, as
that's one thing a filter can't do anything on anymore, or you
have to provide with an alternative way for them to do it and
that would add complexity.
> In order to be done right, it might be necessary for screen to determin=
e
> which tty the mouse-tracking sequence was sent on (app's or filter's).
>=20
> OTOH, a case might be made that none of this applies when the filter
> spec has "." as the first character. I'm not confident enough in my
> knowledge/experience with filters to make such a judgment, which is why
> I wanted to discuss it. :)
I'm not too sure about what you mean with "which tty the
mouse-tracking sequence was sent on" in the context of
mouse-tracking.
Do you mean the sequence that enables mouse tracking, or the
sequence sent by the terminal when a mouse button is pressed
when mouse-tracking in enabled?
For the escape sequences sent by the terminal upon a button
press, it's like any other key press IMO. The sequence should go
to the window that has focus, and if there's a filter on input
for that window, it should go to the filter instead.
Like if you do :exec ... vim
That vim should overwrite what is currently running, and mouse
should work.
At the moment, mouse is working. What is not working is if vim
sends some "report" queries, it doesn't see the answer.
Actually, you can observe that vim takes some time to start up
and my guess is because it times out waiting for the answer to
some "query terminal type" sequence.
Best regards,
St=E9phane
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Cc: Screen Users <screen-users@gnu.org>
Subject: Re: Screen, xterm, initialization strings.
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On Sun, Aug 10, 2008 at 07:42:22PM -0700, Micah Cowan wrote:
[...]
> I propose that screen not send the initialization string. Probably with
> a command-line option that specifies it should be sent (though, IMO it
> should be sent before smkx, and not after). Any thoughts on this?
[...]
On the other hand, it seems to me that sending the init sequence
would be the best way to ensure the terminal is in the state we
expect it to be in.
But I agree doing the smcup and switching to alternate screen
*before* doing the "init" sounds wrong.
--=20
St=E9phane
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From: Stephane Chazelas <Stephane_Chazelas@yahoo.fr>
To: Ken Steen <ken@greenideas.net>
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Subject: Re: 2 problems using screen with sshfs and symlinks
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On Wed, Aug 06, 2008 at 07:44:32AM -0700, Ken Steen wrote:
> I have a small file manager that uses screen to open programs in new
> screen windows. It works correctly except when using screen on a
> directory mounted with sshfs or when using screen on a directory that i=
s
> a symbolic link. If the program is started with 'screen program-name',
> and the current directory is a symbolic link to another directory
> opening a new screen window changes the pwd to the directory that is
> pointed to by the symbolic link instead of the symbolic link directory.
> If the program is started in the shell without screen and then opens a
> screen window the pwd is the symbolic link directory. =20
There is no such thing as a "symbolic link directory". A
symbolic link is a special kind of file that contains a
path to another file. When you chdir(2) with a patch to such a
file as argument, you end up in the directory that is the target
of that link.
The current working directory is always a directory, and there
is no path involved. The system knows the current directory only
by the device it's on and its inode.
A user (or sometimes the kernel as on Linux' /proc/<pid>/cwd)
may compute a path to that directory, by recursively looking up
the ".." entried starting from the current directory, but that's
all.
Now, some shell implementations have a feature (which I tend to
consider as a misfeature as it causes more confusion that it
helps) in which they maintain an internal "logical"
representation of the current working directory. It started with
ksh I think and other shells like zsh and bash copied it. It's
stored in the $PWD parameter. The shell uses that internal
parameter for its pwd builtin (with pwd -L, the default, not pwd
-P) and cd (cd -L, the default, not cd -P) when arguments
contain ".."
Even though POSIX prohibits it, if $PWD is found in the
environment, shells, upon startup initialise their internal
"logical current directory" parameter with its value (as long as
it is a valid path to the current working directory).
I think it is what you're observing above.
If you have:
~$ ls -ld 1 2
drwxr-xr-x 2 chazelas chazelas 4096 2008-08-11 12:00 1/
lrwxrwxrwx 1 chazelas chazelas 1 2008-08-11 12:00 2 -> 1/
And the current directory is "/tmp".
If you do a:
$ cd 2
Your current directory will be the /tmp/1 directory. However,
your shell will store "/tmp/2" in the $PWD variable, and if you
run the "pwd" command, it will return the content of that
variable instead of the real working directory.
Now, your shell exports $PWD to the environment, so if you start
another shell, it will inherit the $PWD, and if you run the pwd
command in that other shell, it will return /tmp/2 as well.
But if you start that other shell with "screen". The $PWD
variable will not be inherited. The new shell will be a child of
the screen server, so will inherit the $PWD of that process, not
the $PWD of your current shell.
What you could do is:
screen env PWD=3D"$PWD" some-program
> A similar problem
> occurs when a directory is mounted with sshfs. If the program is
> started with 'screen program-name' screen will give a permission denied
> message when trying to open a new screen window. If the program is
> started in a shell without screen and trys to open a sshfs mounted
> directory in a screen window it works correctly.
>=20
> I am not sure what is happening. I am guessing that the environ
> variable is not being set correctly. The screen command is passed with=
=20
> execve() and works correctly except in the previous two examples. Any
> ideas into what I am doing wrong would be greatly appreciated.
[...]
When you do:
screen some-command
in directory /dir.
That screen command tells the screen server to open a new
window, to do a chdir("/dir") in it and execute the command as
the current user.
If it does the chdir() before switching persona, then you'll
have the problem because by default sshfs doesn't allow root to
access directories mounted by a user.
Maybe screen should be modified so that the chdir() is performed
after switching persona.
--=20
St=E9phane
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Subject: Re: Screen, xterm, initialization strings.
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Stephane Chazelas wrote:
> On Sun, Aug 10, 2008 at 07:42:22PM -0700, Micah Cowan wrote:
> [...]
>> I propose that screen not send the initialization string. Probably with
>> a command-line option that specifies it should be sent (though, IMO it
>> should be sent before smkx, and not after). Any thoughts on this?
> [...]
>
> On the other hand, it seems to me that sending the init sequence
> would be the best way to ensure the terminal is in the state we
> expect it to be in.
Probably; except that we _don't_ expect it to be switched to 80-col
mode, which is apparently one of the things is2 is expected to do.
If is2 is expected to be sent at a user's login, then perhaps we should
simply expect that it's already been taken care of, as a large variety
(most? all?) of other terminal apps appear to do (with the obvious
exception of "tput init" :) ).
> But I agree doing the smcup and switching to alternate screen
> *before* doing the "init" sounds wrong.
Okay, so I'm not crazy there, then. :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Cc: Micah Cowan <micah@cowan.name>, Screen Users <screen-users@gnu.org>
Subject: Re: Getting screen size into the env?
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On Aug 07, 08 12:18:53 -0400, Mark Eichin wrote:
> "Thomas Adam" <thomas.adam22@gmail.com> writes:
>
> > 2008/8/7 Micah Cowan <micah@cowan.name>:
> >> However, if you use bash, it will set _shell_ variables, COLUMNS and
> >> LINES, automatically. This isn't something that screen does, but bash.
> >> Bash does _not_ export these by default, however; you'll need to do
> >>
> >> $ export COLUMNS LINES
This may work, if the screen does not get resized while it is running.
I have my screen session inside an xterm, and resize frequently.
environment variables would still reflect the old value after a resize.
> >
> > Rather unportably between Unixes:
> >
> > eval $(resize)
>
> resize requires having a terminal type that actually does xterm-style
> answerback, which as at best a "maybe".
When run from within screen, we guarantee you that xterm-style
answerback is honored. Screen is an xterm-compatible device.
> What you *really* want is the output of stty:
> $ stty -a |grep rows
> speed 38400 baud; rows 56; columns 144; line = 0;
>
> because it's a property of the tty, and changed there - putting the
> values in the environment is an old and not-really-workable hack.
The best thing to do, is to keep them all in sync:
- Measure the real dimension like resize does,
- Then check what the PTY thinks, and run stty to set cols and rows,
in case a SIGWINCH got lost.
- Then check shell variables COLUMNS and LINES, and fire SIGWINCH to the
shell, if they do not match. The shell will fetch them from the PTY
then.
--
o \ Juergen Weigert unix-software __/ _=======.=======_
<V> | jw@cs.fau.de creator __/ _---|____________\/
\ | 0179/2069677 __/ (____/ /\
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Cc: Stephane Chazelas <Stephane_Chazelas@yahoo.fr>, screen-users@gnu.org
Subject: Re: "exec .!" filters seeing responses to "query" escape sequences
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On Aug 08, 08 18:52:53 -0700, Micah Cowan wrote:
>
> For consistency, one could also consider having screen swallow up
> mouse-tracking responses, and reissue them down only the ttys on which
> requests had been seen.
>
> But that wouldn't be a general solution, since other term-specific
> query/responses couldn't be caught by Screen, and so would always end up
> at the filter end in any case. So, perhaps I should simply apply your
> patch to obtain a general _and_ consistent solution (if a potentially
> existing-filters-breaking one), and have done with it.
>
> ...which is why this is a discussion, and not a rant. Feedback, anyone? :)
When I originally implemented filters, the concept was, that everything
should pass through the filter process.
A filter that relies on some data bypassing the filter, is a bad filter and
should be fixed, IMO.
Filter syntax and semantics are horribly complex, and possibly got quite
broken over time. I haven't used any recently.
cheers,
Js.
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Subject: Re: "exec .!" filters seeing responses to "query" escape sequences
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Juergen Weigert wrote:
> On Aug 08, 08 18:52:53 -0700, Micah Cowan wrote:
>> For consistency, one could also consider having screen swallow up
>> mouse-tracking responses, and reissue them down only the ttys on which
>> requests had been seen.
>>
>> But that wouldn't be a general solution, since other term-specific
>> query/responses couldn't be caught by Screen, and so would always end up
>> at the filter end in any case. So, perhaps I should simply apply your
>> patch to obtain a general _and_ consistent solution (if a potentially
>> existing-filters-breaking one), and have done with it.
>>
>> ...which is why this is a discussion, and not a rant. Feedback, anyone? :)
>
> When I originally implemented filters, the concept was, that everything
> should pass through the filter process.
>
> A filter that relies on some data bypassing the filter, is a bad filter and
> should be fixed, IMO.
>
> Filter syntax and semantics are horribly complex, and possibly got quite
> broken over time. I haven't used any recently.
Well, that's certainly reason enough to fix it, then. :) Thanks for
clarifying, Juergen.
It may also be that this was never working properly; I expect that not
many filters issue terminal queries, so who would have noticed?
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Hi -
i don't know if this has been asked before, but i am using the GIT
version of screen and am wondering if i can do the following:
Assume i have two windows under screen, window1 and window2. In
window1 i issue the :split command and quite rightly then get a split
window. However, if i then switch to window2, whichever split region
i was in switches to window2. what i would rather is the split
windows are contained just to window1 - window2 should have no split
windows at all when i switch to it.
i've read that one can have window groups but theres very little
documentation - is this something which would allow me to achieve
this?
Thanks!
David
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Date: Tue, 12 Aug 2008 09:58:12 -0400
From: Sadrul Habib Chowdhury <imadil@gmail.com>
To: David Chanters <david.chanters@googlemail.com>
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Subject: Re: Windows groups with window splits
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* David Chanters had this to say on [12 Aug 2008, 09:25:22 +0100]:
> Hi -
>
> i don't know if this has been asked before, but i am using the GIT
> version of screen and am wondering if i can do the following:
>
> Assume i have two windows under screen, window1 and window2. In
> window1 i issue the :split command and quite rightly then get a split
> window. However, if i then switch to window2, whichever split region
> i was in switches to window2. what i would rather is the split
> windows are contained just to window1 - window2 should have no split
> windows at all when i switch to it.
Sounds like you want layouts, a new feature in 4.1.0.
> i've read that one can have window groups but theres very little
> documentation - is this something which would allow me to achieve
> this?
Layouts aren't documented [all that well]
(https://savannah.gnu.org/bugs/?23597). But for a quick intro: the
possible layout commands are:
layout new
layout save <name>
layout next
layout prev
layout show
layout title [title]
layout select
layout autosave on|off
layout number [number]
The commands do what you would expect them to do. :)
Someone should totally write up the documentation!
Sadrul
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2008/8/8 Micah Cowan <micah@cowan.name>:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> So, what would _really_ help me out in getting the documentation ready
> for a 4.1.0 release, is if someone would step up to volunteer to
> maintain the man page.
I put myself forward as a volunteer.
> The first step would be to ensure that the man page is in-step with the
> Texinfo manual; currently I believe the man page is a couple steps
> behind. the content is essentially the same between them, so for the
> most part you should actually be able to compare them side-by-side for
> differences. Tedious work, obviously.
But something of a no-brainer, so it's easy to do just time-consuming.
> The next step would be to watch changes made to the Texinfo document
> (which I'll be updating to reflect the current state of things), and
> transfer them to the man-page.
I will state at this point, categorically, that although being true to
GNU's roots is nice, I am dead against texinfo pages -- *no* one
actually reads them; heck, the existing info viewer is an abomination,
pinfo is "OK" but is not ubiquitous so it's out of the running for
most people. No... I seriously suggest we just make the manpage a
fore-runner -- at least an "official" representation of our
documentation.
> Basically, I'm willing to maintain one big, hulking, autonomous manual;
You won't come close to FVWM's man page size. :P
> but I will not maintain two. I need someone else to step up for that. If
> no one does, then this release will be issued with a woefully
> out-of-date man page (lacking information on all the nifty new stuff),
As noted above, I am willing to maintain the *man*page.
> and future releases might include one of those shell-of-a-manpages that
> simply refer the reader to the Texinfo documentation. Surely that's
> enough to scare a few of you into volunteering? ;)
Perhaps.
> To my mind, unifying on a single source format would be the best
> long-term approach, rather than having two manuals maintained. So far,
> the approach that makes the most sense to me is to use the Texinfo as
> the source document, generating the manpage with texi2pod.pl (see Wget's
> Texinfo documentation for an understanding of this; note that, even with
> texi2pod.pl, however, Wget's man page is still very much inferior to
> their Texinfo counterparts: only a small portion is translated into the
> man page). However, for Screen this would require texi2pod.pl to be
> modified to allow arbitrary sections to be transmitted (it only allows
> the standard ones, currently).
Or use asciidoc or txt2tags, etc.
> Actually, though, as it stands, a big-hulking man page strikes me as
> remarkably untraditional. It seems to me that, if we're going to do man
> pages right for Screen, we should split it apart into separate man pages
> by concept. For instance, one dedicated to the invocation options,
> another dedicated to commands (screen(5) or screenrc(5)), another
> dedicated to screen's mechanisms for hardstatus/caption/autoaka, another
> for screen's terminal emulation details... of course, doing such a thing
> would also mean that it would be a lot more challenging to generate from
> the Texinfo documentation, so would really require a separate maintainer
> (or more heavy modifications to texi2pod, or something).
I disagree. Having one manpage for screen, and another for the
screenrc is in keeping with "tradition" -- splitting this mythical
screen(1) manpage up would only alienate its use -- how would/are
people supposed to know/remember which manpage to refer to?
-- Thomas Adam
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Thomas, thanks for stepping forward!
Personally, I also prefer manpages. Probably mostly because
I know how to search and jump with less.
On Aug 12, 08 17:45:08 +0100, Thomas Adam wrote:
> I will state at this point, categorically, that although being true to
> GNU's roots is nice, I am dead against texinfo pages -- *no* one
> actually reads them; heck, the existing info viewer is an abomination,
> pinfo is "OK" but is not ubiquitous so it's out of the running for
> most people. No... I seriously suggest we just make the manpage a
> fore-runner -- at least an "official" representation of our
> documentation.
Having only a texinfo page, is not that bad.
- one could always do 'info gdb | less' as a workaround.
- It just looks great, when printed on paper.
> > To my mind, unifying on a single source format would be the best
> > long-term approach, rather than having two manuals maintained. So far,
> > the approach that makes the most sense to me is to use the Texinfo as
> > the source document, generating the manpage with texi2pod.pl (see Wget's
> > Texinfo documentation for an understanding of this; note that, even with
> > texi2pod.pl, however, Wget's man page is still very much inferior to
> > their Texinfo counterparts: only a small portion is translated into the
> > man page). However, for Screen this would require texi2pod.pl to be
> > modified to allow arbitrary sections to be transmitted (it only allows
> > the standard ones, currently).
>
> Or use asciidoc or txt2tags, etc.
I like that plan!
cheers,
Jw.
--
o \ Juergen Weigert unix-software __/ _=======.=======_
<V> | jw@cs.fau.de creator __/ _---|____________\/
\ | 0179/2069677 __/ (____/ /\
(/) | ____________________________/ _/ \_ vim:set sw=2 wm=8
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2008/8/12 Juergen Weigert <jw@cs.fau.de>:
> Thomas, thanks for stepping forward!
> Personally, I also prefer manpages. Probably mostly because
> I know how to search and jump with less.
No worries -- it makes a change from programming for me, but expect
the odd patch now and then. ;)
> On Aug 12, 08 17:45:08 +0100, Thomas Adam wrote:
>> Or use asciidoc or txt2tags, etc.
>
> I like that plan!
Which? ;) I'm going to sit tight on this thread for a few days, so I
know the best direction to take.
-- Thomas Adam
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Thomas Adam wrote:
> 2008/8/8 Micah Cowan <micah@cowan.name>:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> So, what would _really_ help me out in getting the documentation ready
>> for a 4.1.0 release, is if someone would step up to volunteer to
>> maintain the man page.
>
> I put myself forward as a volunteer.
Thanks very much!
>> The first step would be to ensure that the man page is in-step with the
>> Texinfo manual; currently I believe the man page is a couple steps
>> behind. the content is essentially the same between them, so for the
>> most part you should actually be able to compare them side-by-side for
>> differences. Tedious work, obviously.
>
> But something of a no-brainer, so it's easy to do just time-consuming.
That's exactly what I meant by the term "tedious".
> I will state at this point, categorically, that although being true to
> GNU's roots is nice, I am dead against texinfo pages -- *no* one
> actually reads them;
Obviously incorrect, as I prefer the info manual. Especially since it is
much, _much_ easier to find the node corresponding to a given screen
command via info than via man:
iscr="info '(screen)Command Index'"
iscr shelltitle
iscr hardstatus
iscr zombie
The equivalent for man is typing "/^[[:space:]]*shelltitle<RET>". and
good luck if your command corresponds to a real word that shows up at
the beginnings of lines...
Taking away the easiest-to-navigate documentation (and the only one with
a set of indices) seems counter-productive.
> I seriously suggest we just make the manpage a
> fore-runner -- at least an "official" representation of our
> documentation.
Removing the Texinfo documentation for a GNU project is, simply, not an
option. It's the choice that was made by making it a GNU project.
>> Actually, though, as it stands, a big-hulking man page strikes me as
>> remarkably untraditional. It seems to me that, if we're going to do man
>> pages right for Screen, we should split it apart into separate man pages
>> by concept. For instance, one dedicated to the invocation options,
>> another dedicated to commands (screen(5) or screenrc(5)), another
>> dedicated to screen's mechanisms for hardstatus/caption/autoaka, another
>> for screen's terminal emulation details... of course, doing such a thing
>> would also mean that it would be a lot more challenging to generate from
>> the Texinfo documentation, so would really require a separate maintainer
>> (or more heavy modifications to texi2pod, or something).
>
> I disagree. Having one manpage for screen, and another for the
> screenrc is in keeping with "tradition" -- splitting this mythical
> screen(1) manpage up would only alienate its use -- how would/are
> people supposed to know/remember which manpage to refer to?
In what way are you disagreeing with me? One for screen, and another for
screenrc, _would_ be splitting the manual up. The only disagreement we
seem to have is how many splits to make, apparently. IMO, having even
just two manpages would be a significant improvement.
Anyway, enough ranting... down to logistics. It seems simplest to me for
you to have push access on git. For that, you'll need to register an
account with Savannah (if you don't have one), submit a public ssh key
you'll use to identify yourself for pushes, and request membership to
the Screen group.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Man-writing volunteers?
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2008/8/12 Micah Cowan <micah@cowan.name>:
> In what way are you disagreeing with me? One for screen, and another for
> screenrc, _would_ be splitting the manual up. The only disagreement we
> seem to have is how many splits to make, apparently. IMO, having even
> just two manpages would be a significant improvement.
I was disagreeing with having a manpage for caption/hardstatus, one
for window layouts, etc. If there's going to be any split files, then
I agree (for now -- unless there's some flurry of documentation from
elsewhere :P) that having screen(1) and screenrc(5) is something I
too would welcome.
> Anyway, enough ranting... down to logistics. It seems simplest to me for
> you to have push access on git. For that, you'll need to register an
> account with Savannah (if you don't have one), submit a public ssh key
> you'll use to identify yourself for pushes, and request membership to
> the Screen group.
Okey dokey. Will do so shortly after dinner. Thanks very much!
-- Thomas Adam
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Subject: Re: Man-writing volunteers?
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Thomas Adam wrote:
> 2008/8/12 Micah Cowan <micah@cowan.name>:
>
>> Anyway, enough ranting... down to logistics. It seems simplest to me for
>> you to have push access on git. For that, you'll need to register an
>> account with Savannah (if you don't have one), submit a public ssh key
>> you'll use to identify yourself for pushes, and request membership to
>> the Screen group.
>
> Okey dokey. Will do so shortly after dinner. Thanks very much!
Are you kidding? Thank you! You're either saving me a ton of work, or
saving Screen from quality issues due to a woefully out-of-date manpage. :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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On Mon, 11 Aug 2008, Juergen Weigert wrote:
> On Aug 07, 08 12:18:53 -0400, Mark Eichin wrote:
>> "Thomas Adam" <thomas.adam22@gmail.com> writes:
>>> 2008/8/7 Micah Cowan <micah@cowan.name>:
>>>> However, if you use bash, it will set _shell_ variables, COLUMNS and
>>>> LINES, automatically. This isn't something that screen does, but bash.
>>>> Bash does _not_ export these by default, however; you'll need to do
>>>>
>>>> $ export COLUMNS LINES
>
> This may work, if the screen does not get resized while it is running.
> I have my screen session inside an xterm, and resize frequently.
> environment variables would still reflect the old value after a resize.
>
>>>
>>> Rather unportably between Unixes:
>>>
>>> eval $(resize)
>>
>> resize requires having a terminal type that actually does xterm-style
>> answerback, which as at best a "maybe".
>
> When run from within screen, we guarantee you that xterm-style
> answerback is honored. Screen is an xterm-compatible device.
I used to use the eval $(resize) method a lot, but at some point, the
shell I use (bash 3.2.33, atm) has an option for checking the window
size before executing any command:
shopt -s checkwinsize
I'm not sure what version introduced this feature, I only discovered it
when I re-read the man-page after one of the 3.x releases.
--
Michael Parson
mparson@bl.org
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On Tue, Aug 12, 2008 at 05:45:08PM +0100, Thomas Adam wrote:
> I will state at this point, categorically, that although being true
> to GNU's roots is nice, I am dead against texinfo pages -- *no* one
> actually reads them; heck, the existing info viewer is an
> abomination,
I think it would be more accurate to say that primarily Emacs users
read them. I like them because (most manuals) have command and
subject indexes, and the browsers have a "back button" (l) to go to
the previous page, and because the search functions (C-s and C-M-s)
can search beyond the current page. The man format doesn't have
indexes, and HTML doesn't support searching across a multi-page
document.
I also use manpages, but for *quick reference* -- not as a manual, but
as a refresher to remind me of the name of a switch or command. I
*like* the way GNU coreutils has quick reference content in manpages
(e.g. cp.1) and a *separate* manual that describes the package in
detail. I prefer this to bash's manpage, where I feel overwhelmed; or
to perl's manpages, where it takes me ages to find the right one.
>> and future releases might include one of those shell-of-a-manpages
>> that simply refer the reader to the Texinfo documentation. Surely
>> that's enough to scare a few of you into volunteering? ;)
I'd prefer the screen manpage to simply have a one-line synopsis, a
two-paragraph description and then a one-line (.TP) description of
each switch and :command.
>> To my mind, unifying on a single source format would be the best
>> long-term approach, rather than having two manuals maintained. So
>> far, the approach that makes the most sense to me is to use the
>> Texinfo as the source document, generating the manpage with
>> texi2pod.pl (see Wget's Texinfo documentation for an understanding
>> of this; note that, even with texi2pod.pl, however, Wget's man page
>> is still very much inferior to their Texinfo counterparts: only a
>> small portion is translated into the man page). However, for Screen
>> this would require texi2pod.pl to be modified to allow arbitrary
>> sections to be transmitted (it only allows the standard ones,
>> currently).
>
> Or use asciidoc or txt2tags, etc.
Do those have good support for large manuals, with cross-referencing
and multiple indexes within the document? My memory of them is that
they implement headings, literal blocks and emphatic/strong text; if
you want anything more, too bad.
> I disagree. Having one manpage for screen, and another for the
> screenrc is in keeping with "tradition" -- splitting this mythical
> screen(1) manpage up would only alienate its use -- how would/are
> people supposed to know/remember which manpage to refer to?
I'm not bothered by having a second manpage for screenrc; but how do
you decide what should go in it? Should :commands be described in
screen(1) or screenrc(5)? They can be used both interactively and in
.screenrc. The same applies for the description of string escapes.
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On Tue, Aug 12, 2008 at 08:03:43PM +0200, Juergen Weigert wrote:
> - [texinfo] just looks great, when printed on paper.
On GNU systems, at least, "man -Tps" results in a reasonably good
paper version, unless the manpage author made formatting blunders that
weren't apparent on his tty (such as using 'foo' instead of `foo').
PDFs generated in this way unfortunately don't have clickable
hyperlinks and don't have a PDF ToC; I suspect texinfo (by way of
LaTeX) wins on both those points.
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On Tue, Aug 12, 2008 at 12:08:16PM -0700, Micah Cowan wrote:
> Obviously incorrect, as I prefer the info manual. Especially since it is
> much, _much_ easier to find the node corresponding to a given screen
> command via info than via man:
>
> iscr="info '(screen)Command Index'"
> iscr shelltitle
> iscr hardstatus
> iscr zombie
>
> The equivalent for man is typing "/^[[:space:]]*shelltitle<RET>". and
> good luck if your command corresponds to a real word that shows up at
> the beginnings of lines...
In Emacs' info reader, the "jump to index entry" and "jump to
subsection" commands also autocomplete, so it's easy to see what your
choices are (by hitting TAB twice).
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On Aug 12, 08 19:09:03 +0100, Thomas Adam wrote:
> > On Aug 12, 08 17:45:08 +0100, Thomas Adam wrote:
> >> Or use asciidoc or txt2tags, etc.
> >
> > I like that plan!
>
> Which? ;) I'm going to sit tight on this thread for a few days, so I
> know the best direction to take.
The choice of weapons is yours.
What I wanted to say is, I am glad you know a range of tools that could help with
automation. I had no such tools for years, and tried to keep them both in
sync manually, which was always a pain.
So your plan looks like this:
- compare man and texinfo,
- bring them back in sync
- (later) find a tool to generate both from one source
right?
cheers,
JW.
--
o \ Juergen Weigert unix-software __/ _=======.=======_
<V> | jw@cs.fau.de creator __/ _---|____________\/
\ | 0179/2069677 __/ (____/ /\
(/) | ____________________________/ _/ \_ vim:set sw=2 wm=8
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2008/8/13 Juergen Weigert <jw@cs.fau.de>:
> So your plan looks like this:
> - compare man and texinfo,
> - bring them back in sync
> - (later) find a tool to generate both from one source
>
> right?
Yep. Spot on. :)
-- Thomas Adam
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On Wed, Aug 13, 2008 at 04:55:26PM +0200, Juergen Weigert wrote:
[...]
> - (later) find a tool to generate both from one source
[...]
About that, zsh uses yodl as a format that is then used to
produce texinfo and man pages. The result is good at least on
the info side.
So you may want to consider that. I don't know what other
projects use.
--=20
St=E9phane
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From: "Edward Faulkner" <ef@alum.mit.edu>
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Subject: Scriptable way to determine current display
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I'm trying to find a scriptable way to determine the currently active
screen display. I have multiple displays connected to a single screen
session, and I'd like to use the "at" command to send commands to a
particular display.
Specifically, I have a script like this:
#!/bin/bash
screen -r -X select emacs
emacsclient "$1" && screen -r -X select .
You can use it to open a file in an existing emacs process while
simultaneously switching to the "emacs" window. Then when the file is
closed, emacsclient returns and we switch back to the window where we
started.
It works great when there's only one display connected to the session.
But if there are multiple displays, the second screen command takes
effect on the display most recently created. I know I can use "at" to
name a specific display, but I don't know how to determine which
display to name.
#!/bin/bash
screen -r -X select emacs
emacsclient "$1" && screen -r -X select .
CURRENT_DISPLAY=???
screen -r -X at $CURRENT_DISPLAY% select .
Any ideas?
Thanks,
Ed
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From: YONETANI Tomokazu <qhwt+screen@les.ath.cx>
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Hi.
After the fix to #23945 (cb9d14bd8a198447d20ccd4be848df679a3047d9) committed,
the cursor temporarily displayed at the wrong place when I enter copy-mode
and move the cursor while "Copy mode - ..." caption is displayed. The
cursor stays at the wrong place on the terminal until I refresh the screen
or select the top-left corner of the region. It only happens when the
following conditions are met:
- the cursor is at the last line of the screen, without a status line
- the cursor is not at the beginning of the line
Anyone else seeing this?
Cheers.
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Hi,
I have my own bashrc file named '$HOME/.{USERNAM}/bashrc'. I want the bash
shell read the custom bashrc file when I create a new window every time in
GNU screen. Do you have some configurations for this in screenrc? Or
some tricks to do this? Thank you.
--
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<div dir="ltr"><div>Hi,</div>
<div>&nbsp;</div>
<div>I have my own bashrc file named &#39;$HOME/.{USERNAM}/bashrc&#39;. I want the bash shell read the custom bashrc file when I create a new window every time in GNU screen. Do you have some configurations for this in screenrc? Or some&nbsp;tricks to do this? Thank you.<br clear="all">
<br>-- <br><a href="http://www.senux.com/">http://www.senux.com/</a><br><br></div></div>
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On Wed, Aug 13, 2008 at 09:09:25PM +0900, Seongsu Lee wrote:
> I have my own bashrc file named '$HOME/.{USERNAM}/bashrc'. I want the b=
ash
> shell read the custom bashrc file when I create a new window every time=
in
> GNU screen. Do you have some configurations for this in screenrc? Or
> some tricks to do this? Thank you.
[...]
See the --rcfile option to bash.
--=20
St=E9phane
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Juergen Weigert <jw@cs.fau.de> said
(on Wed, Aug 13, 2008 at 04:55:26PM +0200):
> - compare man and texinfo,
> - bring them back in sync
> - (later) find a tool to generate both from one source
Count me in. I much prefer manpages to texinfo,
so I'm keen to help keep them in sync.
--
Geraint A. Edwards (aka "Gedge")
gedge@yadn.org
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YONETANI Tomokazu wrote:
> Hi.
> After the fix to #23945 (cb9d14bd8a198447d20ccd4be848df679a3047d9) committed,
> the cursor temporarily displayed at the wrong place when I enter copy-mode
> and move the cursor while "Copy mode - ..." caption is displayed. The
> cursor stays at the wrong place on the terminal until I refresh the screen
> or select the top-left corner of the region. It only happens when the
> following conditions are met:
> - the cursor is at the last line of the screen, without a status line
> - the cursor is not at the beginning of the line
>
> Anyone else seeing this?
I do. If I hit "k" immediately upon entering copy-mode, the cursor moves
to the first column, but the copy behaves as if it's in its original column.
Thanks for the report! Issue filed at
https://savannah.gnu.org/bugs/index.php?24058
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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On Wed, Aug 13, 2008 at 11:45 PM, Stephane Chazelas
<Stephane_Chazelas@yahoo.fr> wrote:
> On Wed, Aug 13, 2008 at 04:55:26PM +0200, Juergen Weigert wrote:
> > - (later) find a tool to generate both from one source
>
> About that, zsh uses yodl as a format that is then used to
> produce texinfo and man pages. The result is good at least on
> the info side.
>
> So you may want to consider that. I don't know what other
> projects use.
funny you should mention that--the zsh list in the middle of a thread
called "Yodl has been discontinued for 13 years... zsh still uses it
for texi docs?" otoh, their consensus seems to be that it would be
hard enough for them to move to some other tool that they should
become the new yodl maintainers....
--
Aaron Davies
aaron.davies@gmail.com
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Cc: Micah Cowan <micah@cowan.name>,
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Subject: Re: Man-writing volunteers?
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2008/8/15 Aaron Davies <aaron.davies@gmail.com>:
> On Wed, Aug 13, 2008 at 11:45 PM, Stephane Chazelas
> <Stephane_Chazelas@yahoo.fr> wrote:
>
>> On Wed, Aug 13, 2008 at 04:55:26PM +0200, Juergen Weigert wrote:
>
>> > - (later) find a tool to generate both from one source
>>
>> About that, zsh uses yodl as a format that is then used to
>> produce texinfo and man pages. The result is good at least on
>> the info side.
>>
>> So you may want to consider that. I don't know what other
>> projects use.
>
> funny you should mention that--the zsh list in the middle of a thread
> called "Yodl has been discontinued for 13 years... zsh still uses it
> for texi docs?" otoh, their consensus seems to be that it would be
> hard enough for them to move to some other tool that they should
> become the new yodl maintainers....
Well, I already have a few candidates in mind as potential
single-source markup; yodl was never one of them, and certainly won't
be now.
-- Thomas Adam
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Subject: query current window title to stdout?
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I've got a user that wants to be able to, with a single command,
rename the title for the current window when he edits a file to the
name of the file he is editing.
What I've come up with is a bash function:
svim () {
echo -ne "\ekediting $1 \e\\"
/usr/local/bin/vim $1
echo -ne "\ekbash\e\\"
}
What I would like to be able to do, is query the title of the window
before we rename it, so we can set it back to what it was after the
editor quits. something like:
oldname=`screen -X windowname`
So I could change that last echo to be more like
echo -ne "\ek$oldname\e\\"
However, it seems that just about every screen command only spit
output to the status bar, hardline, or a new screen, except 'screen -l'.
Can this be done? or is the solution I've come up with going to be
about as good as it gets?
--
Michael Parson
mparson@bl.org
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Michael Parson wrote:
> I've got a user that wants to be able to, with a single command, rename
> the title for the current window when he edits a file to the name of the
> file he is editing.
>
> What I've come up with is a bash function:
>
> svim () {
> echo -ne "\ekediting $1 \e\\"
> /usr/local/bin/vim $1
> echo -ne "\ekbash\e\\"
> }
>
> What I would like to be able to do, is query the title of the window
> before we rename it, so we can set it back to what it was after the
> editor quits. something like:
>
> oldname=`screen -X windowname`
Well, one problem is that the STY env var doesn't provide enough
information for screen to determine what window it's running in. And, as
you point out, screen doesn't really do much in the way of printing
session information (that would be quite helpful on some occasions,
though; I'll have to file an RFE for that - it still wouldn't help you
with window names, though).
However, you might take advantage of the special "Dynamic Titles"
feature. Place something like:
shelltitle "$ vim |bash"
in your screenrc file, and set your prompt so that it emits "\ek\e\\" at
the beginning of the prompt. Screen will show the title as "bash", but
when it sees a line containing "$ vim " in it, it will set the window
title to the word that follows the "$ vim " instead, until it sees the
"\ek\e\\" again, at which point it will revert the title back to "bash".
One disadvantage of this technique is that in order to keep this
behavior, changing titles means changing them to "$ vim |foo" rather
than just plain "foo".
Also, not that "$ vim " assumes that those literal characters will
appear somewhere; if color escape sequences also appear, those would
also have to be made part of the "$ vim " portion. If it ends up being
too difficult to handle that, a plain "vim " might work instead.
You'll probably want to protect your prompt by only inserting the
initial "\ek\e\\" if your .bashrc determines that $TERM matches the
pattern "screen*".
- --
HTH,
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: query current window title to stdout?
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Micah Cowan wrote:
> However, you might take advantage of the special "Dynamic Titles"
> feature.
Whoops! No, DON'T DO THAT.
I forgot that the SEARCH portion of the "SEARCH|NAME" syntax _must_ be
seen on the prompt, and before the user starts typing input. Screen
halts output until it sees what it wants to see. Sorry...
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: query current window title to stdout?
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On Aug 15, 2008, at 11:42 AM, Michael Parson wrote:
> I've got a user that wants to be able to, with a single command,
> rename the title for the current window when he edits a file to the
> name of the file he is editing.
<snip>
> Can this be done? or is the solution I've come up with going to be
> about as good as it gets?
working with a friend, we came up with this:
_svim () {
/usr/bin/screen -X msgwait 5
echo -ne "\ekediting $1\e\\"
/usr/bin/vim $1
exit
}
svim () {
tname=`basename $(mktemp -u)`
/usr/bin/screen -t $tname
/usr/bin/screen -X msgwait 0
/usr/bin/screen -X at "$tname" stuff "_svim $1^M"
}
Which lets me do fun things like:
for ij in foo1.pl foo2.pl foo3.pl do; svim $ij; done
And have 3 new windows pop open with the new files in them, window
titles set appropriately, should be race-condition safe.
This is all on a Linux box, using bash, and has the gnu mktemp
installed. Other systems will have to be modified as needed.
--
Michael Parson
mparson@bl.org
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Subject: Re: query current window title to stdout?
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* Michael Parson on Friday, August 15, 2008 at 11:42:35 -0500
> I've got a user that wants to be able to, with a single command, rename
> the title for the current window when he edits a file to the name of the
> file he is editing.
>
> What I've come up with is a bash function:
>
> svim () {
> echo -ne "\ekediting $1 \e\\"
> /usr/local/bin/vim $1
> echo -ne "\ekbash\e\\"
> }
>
> What I would like to be able to do, is query the title of the window
> before we rename it, so we can set it back to what it was after the
> editor quits. something like:
>
> oldname=`screen -X windowname`
>
> So I could change that last echo to be more like
>
> echo -ne "\ek$oldname\e\\"
>
> However, it seems that just about every screen command only spit output
> to the status bar, hardline, or a new screen, except 'screen -l'.
>
> Can this be done? or is the solution I've come up with going to be about
> as good as it gets?
If it's for vim, it can be (almost) done. I have the follwoing in
.vimrc:
if &term =~ '^screen'
set title
" VimTip #1126
set t_ts=^[k
set t_fs=^[\
let &titleold = fnamemodify(&shell, ":t")
endif
The "^[" is entered Ctrl-V [
c
--
Vim plugin to paste current GNU Screen buffer in (almost) any mode:
<http://www.vim.org/scripts/script.php?script_id=1512>
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Date: Mon, 18 Aug 2008 09:59:17 +0800
From: "Aaron Davies" <aaron.davies@gmail.com>
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Subject: set window title from nested screen?
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i can set the window title from a single-level screen (echo -ne
'\e]2;foo^G'), but when i try from a second-level nested screen,
nothing happens.
i'm running putty-cyg on windows as my terminal, with cygwin zsh
running locally, running cygwin screen, ssh'ing into linux boxes,
running bash and screen remotely.
--
Aaron Davies
aaron.davies@gmail.com
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Subject: Re: set window title from nested screen?
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On Mon, 18 Aug 2008, Aaron Davies wrote:
> i can set the window title from a single-level screen (echo -ne
> '\e]2;foo^G'), but when i try from a second-level nested screen, nothing
> happens.
>
> i'm running putty-cyg on windows as my terminal, with cygwin zsh running
> locally, running cygwin screen, ssh'ing into linux boxes, running bash
> and screen remotely.
I use the following in my screenrc:
hardstatus on
hardstatus string "[%?%h%:%t%?]"
and use the normal \e]0;foo\a in my promt, which result in a plain foo in
a normal xterm, and [foo] if inside screen, [[foo]] if inside a dual
screen and so on.
--
Peder Stray
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On Wed, Aug 13, 2008 at 12:35:56PM -0700, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> YONETANI Tomokazu wrote:
> > Hi.
> > After the fix to #23945 (cb9d14bd8a198447d20ccd4be848df679a3047d9) committed,
> > the cursor temporarily displayed at the wrong place when I enter copy-mode
> > and move the cursor while "Copy mode - ..." caption is displayed. The
> > cursor stays at the wrong place on the terminal until I refresh the screen
> > or select the top-left corner of the region. It only happens when the
> > following conditions are met:
> > - the cursor is at the last line of the screen, without a status line
> > - the cursor is not at the beginning of the line
> >
> > Anyone else seeing this?
>
> I do. If I hit "k" immediately upon entering copy-mode, the cursor moves
> to the first column, but the copy behaves as if it's in its original column.
>
> Thanks for the report! Issue filed at
> https://savannah.gnu.org/bugs/index.php?24058
Oh, thanks for filing it, and I confirmed it's been fixed now.
Cheers.
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Subject: F1/F2/F3/F4 don't work on my new laptop
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Hi,
I have been using screen for a while, and I have my function keys
bound to changing the selected terminal like so:
# Use the function keys to switch among windows.
bindkey -k k1 select 1
bindkey -k k2 select 2
bindkey -k k3 select 3
bindkey -k k4 select 4
bindkey -k k5 select 5
I also have this to (according to the comment where I copied it from)
enable the function keys in screen:
termcapinfo xterm 'k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~'
However, with my new eeepc laptop this is causing problems. Now, F1 F2
F3 and F4 no longer work only on the laptop. If I remove the
termcapinfo line from .screenrc the laptop works fine, but then on all
my other machines F1-F4 stops working! Most frustrating.
I understand this might be related to the terminfo database on my
laptop, but I'm not sure what change to make so that it works like my
other machines. Or, perhaps I need to add another termcapinfo line or
more bindkey lines to my .screenrc to make the function keys work with
the laptop too. If I press ctrl-q and then the F1 - F4 keys, I get the
following key codes from screen:
^[OP ^[OQ ^[OR ^[OS
But I'm not sure what I need to add to .screenrc so they get
transformed into function keys. Please help!
Thanks,
Cameron
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Hi,
I have been using screen for a while, and I have my function keys
bound to changing the selected terminal like so:
# Use the function keys to switch among windows.
bindkey -k k1 select 1
bindkey -k k2 select 2
bindkey -k k3 select 3
bindkey -k k4 select 4
bindkey -k k5 select 5
I also have this to (according to the comment where I copied it from)
enable the function keys in screen:
termcapinfo xterm 'k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~'
However, with my new eeepc laptop this is causing problems. Now, F1 F2
F3 and F4 no longer work only on the laptop. If I remove the
termcapinfo line from .screenrc the laptop works fine, but then on all
my other machines F1-F4 stops working! Most frustrating.
I understand this might be related to the terminfo database on my
laptop, but I'm not sure what change to make so that it works like my
other machines. Or, perhaps I need to add another termcapinfo line or
more bindkey lines to my .screenrc to make the function keys work with
the laptop too. If I press ctrl-q and then the F1 - F4 keys, I get the
following key codes from screen:
^[OP ^[OQ ^[OR ^[OS
But I'm not sure what I need to add to .screenrc so they get
transformed into function keys. Please help!
Thanks,
Cameron
_______________________________________________
screen-users mailing list
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http://lists.gnu.org/mailman/listinfo/screen-users
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Subject: Re: F1/F2/F3/F4 don't work on my new laptop
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Cameron Dale wrote:
> Hi,
>
> I have been using screen for a while, and I have my function keys
> bound to changing the selected terminal like so:
>
> # Use the function keys to switch among windows.
> bindkey -k k1 select 1
> bindkey -k k2 select 2
> bindkey -k k3 select 3
> bindkey -k k4 select 4
> bindkey -k k5 select 5
>
> I also have this to (according to the comment where I copied it from)
> enable the function keys in screen:
>
> termcapinfo xterm 'k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~'
This tells screen to ignore what termcap/terminfo might really have for
k1, and use these entries instead.
> However, with my new eeepc laptop this is causing problems. Now, F1 F2
> F3 and F4 no longer work only on the laptop. If I remove the
> termcapinfo line from .screenrc the laptop works fine, but then on all
> my other machines F1-F4 stops working! Most frustrating.
Sounds like, on the system you're using for the laptop, the original
terminfo lines are correct.
> I understand this might be related to the terminfo database on my
> laptop, but I'm not sure what change to make so that it works like my
> other machines. Or, perhaps I need to add another termcapinfo line or
> more bindkey lines to my .screenrc to make the function keys work with
> the laptop too. If I press ctrl-q and then the F1 - F4 keys, I get the
> following key codes from screen:
>
> ^[OP ^[OQ ^[OR ^[OS
>
> But I'm not sure what I need to add to .screenrc so they get
> transformed into function keys. Please help!
Why not use the .screenrc without those lines on your laptop, and the
ones with them on all others? If you have two terminal versions which
respect two different sequences, you can't really expect to have both
the same terminfo definition and the same .screenrc for them both.
What terminal emulator are you using, gnome-terminal? Gnome-terminal
isn't perfectly compatible with xterm, especially when it comes to
special key controls; but it advertises itself as xterm. Probably
because of apps like vim (and screen) that recognize "xterm" as
providing mouse support, but not gnome-terminal.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Date: Fri, 22 Aug 2008 12:26:54 -0700
From: "Cameron Dale" <camrdale@gmail.com>
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Subject: Re: F1/F2/F3/F4 don't work on my new laptop
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On Fri, Aug 22, 2008 at 12:10 PM, Micah Cowan <micah@cowan.name> wrote:
> Cameron Dale wrote:
>> termcapinfo xterm 'k1=\E[11~:k2=\E[12~:k3=\E[13~:k4=\E[14~'
>
> This tells screen to ignore what termcap/terminfo might really have for
> k1, and use these entries instead.
>
>> However, with my new eeepc laptop this is causing problems. Now, F1 F2
>> F3 and F4 no longer work only on the laptop. If I remove the
>> termcapinfo line from .screenrc the laptop works fine, but then on all
>> my other machines F1-F4 stops working! Most frustrating.
>
> Sounds like, on the system you're using for the laptop, the original
> terminfo lines are correct.
If they're correct, shouldn't the termcapinfo line do nothing then,
that is overwrite the correct ones with entries that are also correct?
Sorry, I know almost nothing about termcap/info.
> Why not use the .screenrc without those lines on your laptop, and the
> ones with them on all others? If you have two terminal versions which
> respect two different sequences, you can't really expect to have both
> the same terminfo definition and the same .screenrc for them both.
The problem is when I ssh into a server machine from different places,
then screen runs on the server and uses the server's .screenrc file.
Either I have the termcapinfo line in .screenrc on the server and all
desktops work but my laptop doesn't, or I remove the line to get my
laptop to work and the desktops no longer work.
> What terminal emulator are you using, gnome-terminal? Gnome-terminal
> isn't perfectly compatible with xterm, especially when it comes to
> special key controls; but it advertises itself as xterm. Probably
> because of apps like vim (and screen) that recognize "xterm" as
> providing mouse support, but not gnome-terminal.
I'm using konsole, and it looks like that might be the culprit. I
tried running xterm on my desktop instead, and it behaves just like my
laptop (works fine without the termcapinfo line). I'll try on some of
my other machines later tonight.
Thanks,
Cameron
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Date: Tue, 26 Aug 2008 11:16:17 +0900
From: "Seongsu Lee" <senux@senux.com>
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Subject: Re: reading custom .bashrc
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Hello,
I tried following directives in .screenrc but failed. It say it's
invalid. Do you know how to specify arguments in launching shell?
Thank you.
shell -$SHELL --rcfile ~/.my_custom_bashrc
On Thu, Aug 14, 2008 at 1:08 AM, Stephane Chazelas
<Stephane_Chazelas@yahoo.fr> wrote:
> On Wed, Aug 13, 2008 at 09:09:25PM +0900, Seongsu Lee wrote:
>> I have my own bashrc file named '$HOME/.{USERNAM}/bashrc'. I want the bash
>> shell read the custom bashrc file when I create a new window every time in
>> GNU screen. Do you have some configurations for this in screenrc? Or
>> some tricks to do this? Thank you.
> [...]
>
> See the --rcfile option to bash.
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From: "Aaron Davies" <aaron.davies@gmail.com>
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Subject: prefer share to hijack?
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is there an easy way to get the "get me a screen at any cost" behavior
of -D -RR while still preferring to share (-x) rather than forcibly
detach any existing screen? my common case is logging onto linux boxes
from my primary work desktop, and there may or may not be previous
screens around--i want them back if there are, i want new ones if
there aren't. the rare case though is logging onto the same boxes from
my work laptop to demo something on the projector, in which case
there's almost certainly existing screens around, which are probably
still attached on my windows box. i'd prefer if i didn't have to
reconnect everything when i get back to my desktop.
the only solution i can think of is something like
screen -ls && screen -x || screen -D -RR
(which is actually redundant, isn't it? shouldn't that reduce to
screen -ls && screen -x || screen
?)
but that seems kind of inelegant.
--
Aaron Davies
aaron.davies@gmail.com
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Hello fellow screen users. I'd like to be able to detach a screen
session, and then reattach and have my split screen restored and showing
the same windows as before I detached. Currently when I reattach, my
splits are gone, and I get a single window shown. To restore it I have
to split my screen a few times, change focus to each window, and switch
to the window I want in that region.=20
I found a post by a developer which seemed that it might be possible to
"save layouts" but I can't find any documentation for this in the
"Changes" file for the most recent release (4.0.3) or in the online
manual at /soft/local/common/rman/current. Any ideas about how I might
do this, or when a feature like this might be available?
I'm running Screen version 4.00.02 (FAU) 5-Dec-03.
Ryan=20
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Date: Wed, 27 Aug 2008 15:14:53 +0100
From: "Thomas Adam" <thomas.adam22@gmail.com>
To: "Gorsuch, Ryan" <Ryan.Gorsuch@echostar.com>
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2008/8/25 Gorsuch, Ryan <Ryan.Gorsuch@echostar.com>:
> Hello fellow screen users. I'd like to be able to detach a screen
> session, and then reattach and have my split screen restored and showing
> the same windows as before I detached. Currently when I reattach, my
> splits are gone, and I get a single window shown. To restore it I have
> to split my screen a few times, change focus to each window, and switch
> to the window I want in that region.
Running screen within screen is the more "portable" way for versions
of screen which aren't the GIT version.
> I found a post by a developer which seemed that it might be possible to
> "save layouts" but I can't find any documentation for this in the
> "Changes" file for the most recent release (4.0.3) or in the online
> manual at /soft/local/common/rman/current. Any ideas about how I might
> do this, or when a feature like this might be available?
http://savannah.gnu.org/bugs/?23597
-- Thomas Adam
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From: reynhout@quesera.com
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Subject: Patch to move and renumber windows, screen-4.0.3
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Hi,
I've written a minor patch against 4.0.3 to add the ability to move
windows right or left (up or down?) slot-by-slot (without using the
:number UI), and also to renumber all active windows starting with 0,
eliminating gaps created by exited windows.
See http://www.quesera.com/reynhout/misc/screen+bumpandcollapse
for more.
This is useful to me -- I often have very long-lived screen instances
on gateway machines that I use to reach dozens of other machines.
Some of those sessions are also very long-lived, but some are very
ephemeral, so I frequently have a mess of windows that I'd like to
reorganize. :number works well, but can be tedious for large sets.
If this is useful to anyone else, let me know and I'll work out the
remaining details. Namely:
- I stole the key sequences from readbuf, writebuf, removebuf.
Dreadful etiquette, I realize, but the keys (<, >, =) were
ideal for the purpose, and acceptable for private build use.
Please let me know if you can think of another good set!
- The patch is for 4.0.3, but a quick glance at the 4.1.0 code
suggests that it'll be simple to port.
- I've written no documentation in the patch.
Actions are bumpleft (C-a <), bumpright (C-a >), and collapse (C-a =).
They all use the code from RC_NUMBER, extracted out into a fun called
SwapWindows. I'm not doing any direct wtab manipulation, so hopefully
the patch is as stable as the existing code. I've tested on OSX and
Solaris in my fairly simple config and use cases, and it works for me.
If you're able to test the patch out, I'll happily take bug reports.
Thank you,
Andrew
--
reynhout@quesera.com
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Subject: "sleep" only works at startup/reattach?
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Hi,
Is it possible to do a "sleep" outside of my startup screenrc?
If I put "sleep 5" in my screenrc, then screen sleeps as expected at startup.
If I later source screenrc or any other script with a sleep in it, though, the
sleep gets skipped. Similarly, if I "bindkey x eval 'sleep 5' 'stuff moose'"
the sleep gets skipped.
So, is there any way to get a pause in the action within a key binding or
sourced script?
Thanks,
Steven
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From: "Thomas Adam" <thomas.adam22@gmail.com>
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Subject: Re: Patch to move and renumber windows, screen-4.0.3
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Hello --
2008/8/27 <reynhout@quesera.com>:
> - I've written no documentation in the patch.
Then until you do, I am going to reject this patch outright.
Regardless of whether or not this patch is applied to GIT in time for
the next release is another matter entirely. But since you're making
user-visible changes and adding in a new command, the documentation is
a vital part of your patch.
Not having ever looked at the patch (sorry, no time) does it handle
renumbering window in layouts correctly? Recall that a layout can
have any number of differently numbered windows -- renumbering those
such that it doesn't conflict with another window number in a layout
is going to be an issue.
-- Thomas Adam
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On Fri, Aug 29, 2008 at 02:33:57PM +0100, Thomas Adam wrote:
> 2008/8/27 <reynhout@quesera.com>:
> > - I've written no documentation in the patch.
>
> Then until you do, I am going to reject this patch outright.
Absolutely. The patch is not prepared for submission to the repo,
for the above reason as well as the others I mentioned. And you
raise a new question too, w/r/t layouts, which I'll investigate.
There might well be other things I haven't thought of too, which
is why I posted the patch info -- I've spent a total of about three
hours in the screen source, so if the functionality offered by the
patch has resonance with other folks on the list, I'm interested in
hearing more contextually-aware perspectives on the approach.
In the meantime, the patch works for me in my simple config and
use model, so it might be useful as-is to others.
Thanks,
Andrew
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Thomas Adam wrote:
> Not having ever looked at the patch (sorry, no time) does it handle
> renumbering window in layouts correctly? Recall that a layout can
> have any number of differently numbered windows -- renumbering those
> such that it doesn't conflict with another window number in a layout
> is going to be an issue.
If that's true, wouldn't it already be an issue with the current
RC_NUMBER code?
- --
Micah J. Cowan
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GNU Maintainer: wget, screen, teseq
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reynhout@quesera.com wrote:
> Hi,
>
> I've written a minor patch against 4.0.3 to add the ability to move
> windows right or left (up or down?) slot-by-slot (without using the
> :number UI), and also to renumber all active windows starting with 0,
> eliminating gaps created by exited windows.
Hi, reynhout, thanks for the patch.
> Actions are bumpleft (C-a <), bumpright (C-a >), and collapse (C-a =).
Sadrul has already added the equivalent functionality for "bumpleft" and
"bumpright", with "number -1" and "number +1" (which are also probably
not yet in the documentation). These don't have bindings by default, but
of course one is quite welcome to set them up in one's ~/.screenrc.
Collapse looks useful, but we'll hold off on this for the time being.
This is the sort of thing that could also make a good use case for
Sadrul's scripting extensions.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: resize a screen on creation?
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this is trivial, but it's been bugging me for a while. when i add a
bunch of screens at once from inside a running screen (using a shell
loop or something) all but the first don't resize to match the
terminal window until they're focused--when i first jump to them, if
it's running a shell, the prompt will be positioned 24 lines from the
bottom of the window, not at the top; if it's running a curses app, it
will be sized for 24x80; etc. Also, my caption won't add any but the
first new screen until I change screens again (or issue :redisplay).
Any way around either of these? (i should mention i'm running screen
4.00.02, the stock version for SuSE 9.3, so if these are fixed in HEAD
or something, that's cool too. :)
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On Tue, Sep 2, 2008 at 9:32 PM, Aaron Davies wrote:
> this is trivial, but it's been bugging me for a while. when i add a
> bunch of screens at once from inside a running screen (using a shell
> loop or something) all but the first don't resize to match the
> terminal window until they're focused--when i first jump to them, if
> it's running a shell, the prompt will be positioned 24 lines from the
> bottom of the window, not at the top; if it's running a curses app, it
> will be sized for 24x80; etc. Also, my caption won't add any but the
> first new screen until I change screens again (or issue :redisplay).
> Any way around either of these? (i should mention i'm running screen
> 4.00.02, the stock version for SuSE 9.3, so if these are fixed in HEAD
> or something, that's cool too. :)
If you have your COLUMNS and LINES environment variables populated,
screen honors them.
I tried this in my .tcshrc file (which would be much much simpler to
express in your .bashrc file) and it seems to solve that annoyance
just fine.
set screen_size = ( `stty size` )
if ( ! $?LINES && ! $?COLUMNS ) then
foreach element ( $screen_size )
if ( ! $?LINES ) then
setenv LINES $element
endif
if ( ! $?COLUMNS ) then
setenv COLUMNS $element
endif
end
endif
- --
Andy Harrison
public key: 0x67518262
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_______________________________________________
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Date: Thu, 4 Sep 2008 08:42:46 +0800
From: "Aaron Davies" <aaron.davies@gmail.com>
To: "Screen Users" <screen-users@gnu.org>
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Subject: Re: resize a screen on creation?
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On Thu, Sep 4, 2008 at 1:33 AM, Andy Harrison <aharrison@gmail.com> wrote:
> On Tue, Sep 2, 2008 at 9:32 PM, Aaron Davies wrote:
>> this is trivial, but it's been bugging me for a while. when i add a
>> bunch of screens at once from inside a running screen (using a shell
>> loop or something) all but the first don't resize to match the
>> terminal window until they're focused--when i first jump to them, if
>> it's running a shell, the prompt will be positioned 24 lines from the
>> bottom of the window, not at the top; if it's running a curses app, it
>> will be sized for 24x80; etc. Also, my caption won't add any but the
>> first new screen until I change screens again (or issue :redisplay).
>> Any way around either of these? (i should mention i'm running screen
>> 4.00.02, the stock version for SuSE 9.3, so if these are fixed in HEAD
>> or something, that's cool too. :)
>
> If you have your COLUMNS and LINES environment variables populated,
> screen honors them.
>
> I tried this in my .tcshrc file (which would be much much simpler to
> express in your .bashrc file) and it seems to solve that annoyance
> just fine.
hmm. before i can see if that works for me, i think i need to solve a
possibly related problem: my LINES and COLUMNS vars don't even make it
into screen. i have `eval resize` near the end of my .bash_profile,
which sets and exports them, so they should show up in any subprocess,
right? i don't have any shell setting in my .screenrc, so screen
should run non-login instances of my regular shell, i.e. bash w/the
.bashrc executed, but not the .bash_profile. nonetheless, after login
but before starting screen, i find that LINES and COLUMNS are set;
after starting screen and checking from inside, i find that they're
not. why are they not getting passed down?
--
Aaron Davies
aaron.davies@gmail.com
_______________________________________________
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--0-1630891515-1220368866=:39923
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Hi all, =0A=0AI'm new with screen utils. I love it! =0AA few days I'm using=
it over Linux machine without problems. =0ANow I trying install over a Sun=
Solaris 10 (SPARC) and got a little problem.=0A=0AHere is the information =
about the version:=0A=0A# screen --version=0AScreen version 4.00.02 (FAU) 5=
-Dec-03=0A=0A# cat /etc/release=0A Solaris 10 8/07 s1=
0s_u4wos_12b SPARC=0A Copyright 2007 Sun Microsystems, Inc. All =
Rights Reserved.=0A Use is subject to license terms.=
=0A Assembled 16 August 2007=0A=0A# pkginfo -l S=
FWscrn=0A PKGINST: SFWscrn=0A NAME: screen - A full-screen window =
manager=0A CATEGORY: system=0A ARCH: sparc=0A VERSION: 4.0.2,REV=
=3D2006.10.04.21.15=0A BASEDIR: /opt=0A VENDOR: http://www.gnu.org/s=
oftware/screen/=0A DESC: screen - A full-screen window manager=0A =
PSTAMP: freeware20061004212406=0A INSTDATE: ago 29 2008 14:37=0A HOTLI=
NE: Please contact the owners of this software=0A STATUS: completely i=
nstalled=0A FILES: 37 installed pathnames=0A 7 =
shared pathnames=0A 10 directories=0A 1 =
executables=0A 1915 blocks used (approx)=0A=0AWell , my prob=
lem is with "shell" parameter on the ".screenrc".=0AI put the shell to work=
with login shell "-" .=0Ashell - =0A=0AIn this sample, I using the user "c=
martins":=0A> grep cmartins /etc/passwd=0Acmartins:x:198:106::/home/cmartin=
s:/bin/bash=0A=0AOn my $HOME/.profile I add a command and this works fine w=
hen I login on the system. But when screen are started , a weird syntax err=
or occur. =0AThis is my profile:=0A> cat .profile=0A #=0A # Copyright=
(c) 2001 by Sun Microsystems, Inc.=0A # All rights reserved.=0A #=0A=
# ident "@(#)local.profile 1.10 01/06/23 SMI"=0A stty istrip=
=0A PATH=3D/usr/bin:/usr/ucb:/etc:.=0A export PATH=0A vSO=3D$(unam=
e)=0A=0AI just add the "vSO" variable.=0AWhen screen are started this messa=
ge appear:=0A :screen (-): -=0A -: syntax error: `vSO=3D$' unexpected=
=0A=0AIf I remove the ".screenrc" file and start screen with "-s -" paramet=
er, the same error occur.=0A=0ABTW: I have the same commands of the profile=
and .screenrc running on a linux =0Amachine without problems.=0A=0A=0A=0A =
Novos endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email no=
vo com a sua cara @ymail.com ou @rocketmail.com.=0Ahttp://br.new.mail.yahoo=
.com/addresses
--0-1630891515-1220368866=:39923
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:arial,helvetica,sans-serif;font-size:10p=
t"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-se=
rif;">Hi all, <br><br>I'm new with screen utils. I love it! <br>A few days =
I'm using it over Linux machine without problems. <br>Now I trying install =
over a Sun Solaris 10 (SPARC) and got a little problem.<br><br>Here is the =
information about the version:<br><br># screen --version</span><br style=3D=
"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">Screen v=
ersion 4.00.02 (FAU) 5-Dec-03</span><br style=3D"font-family: Courier New,c=
ourier,monaco,monospace,sans-serif;"><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;"># cat /etc/release</span><br
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Solaris 10 8/07 =
s10s_u4wos_12b SPARC</span><br style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier=
,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; Copyright 2007 Sun Microsystems, Inc.&nbsp; All Rights Res=
erved.</span><br style=3D"font-family: Courier New,courier,monaco,monospace=
,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp; Use is subject to license terms.</span><br style=3D"font-family: Cour=
ier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Assembled 16 Aug=
ust 2007</span><br style=3D"font-family: Courier New,courier,monaco,monospa=
ce,sans-serif;"><br style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mon=
ospace,sans-serif;"># pkginfo -l SFWscrn</span><br style=3D"font-family: Co=
urier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; PKGINST:&nb=
sp; SFWscrn</span><br style=3D"font-family: Courier New,courier,monaco,mono=
space,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,m=
onospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME:&nbsp; screen - A
full-screen window manager</span><br style=3D"font-family: Courier New,cou=
rier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;">&nbsp; CATEGORY:&nbsp; system</span><=
br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
<span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif=
;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ARCH:&nbsp; sparc</span><br style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"f=
ont-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; =
VERSION:&nbsp; 4.0.2,REV=3D2006.10.04.21.15</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; BASEDIR:=
&nbsp; /opt</span><br style=3D"font-family: Courier New,courier,monaco,mono=
space,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; VENDOR:&nbsp;=
http://www.gnu.org/software/screen/</span><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; DESC:&nbsp; screen - A full-screen window manager</span><br style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;=
&nbsp; PSTAMP:&nbsp; freeware20061004212406</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp; INSTDATE:&nbsp=
; ago 29 2008 14:37</span><br style=3D"font-family: Courier New,courier,mon=
aco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;">&nbsp;&nbsp; HOTLINE:&nbsp; Please contact th=
e owners
of this software</span><br style=3D"font-family: Courier New,courier,monac=
o,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; STATUS:&nbsp; completely ins=
talled</span><br style=3D"font-family: Courier New,courier,monaco,monospace=
,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp; FILES:&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; 37 installed pathnames</span><br style=3D"font-family: Courier Ne=
w,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier=
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; 7 shared pathnames</span><br style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10 d=
irectories</span><br style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mo=
nospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 executables</span>=
<br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; 1915 blocks used (approx)</span><br style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;">Well , my problem =
is with
"shell" parameter on the ".screenrc".</span><br style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;">I put the shell to work wi=
th login shell "-" .</span><br style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier=
,monaco,monospace,sans-serif;">shell - </span><br style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family: Co=
urier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;">In this sample, I using =
the user "cmartins":</span><br style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier=
,monaco,monospace,sans-serif;">&gt; grep cmartins /etc/passwd</span><br sty=
le=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">cm=
artins:x:198:106::/home/cmartins:/bin/bash</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">On my $HOME/.profile =
I add a command and this works fine when I login on the system. But when sc=
reen are started , a weird syntax error occur. </span><br style=3D"font-fam=
ily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;">This is my profil=
e:</span><br style=3D"font-family: Courier New,courier,monaco,monospace,san=
s-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,=
sans-serif;">&gt; cat .profile</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</span><br s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><spa=
n style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&=
nbsp;&nbsp;&nbsp; # Copyright (c) 2001 by Sun Microsystems, Inc.</span><br =
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><sp=
an style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
&nbsp;&nbsp;&nbsp; # All rights reserved.</span><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;">&nbsp;&nbsp;&nbsp; # ident "@(#)local.profile&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 1.10&nbsp;&nbsp;&nbsp; 01/06/23 SMI"</span><br style=3D"font-famil=
y: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; stty istri=
p</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,s=
ans-serif;">&nbsp;&nbsp;&nbsp; PATH=3D/usr/bin:/usr/ucb:/etc:.</span><br st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&n=
bsp;&nbsp;&nbsp; export PATH</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; vSO=3D$(uname)</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-se=
rif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;">I just
add the "vSO" variable.</span><br style=3D"font-family: Courier New,courie=
r,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,cou=
rier,monaco,monospace,sans-serif;">When screen are started this message app=
ear:</span><br style=3D"font-family: Courier New,courier,monaco,monospace,s=
ans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospac=
e,sans-serif;">&nbsp;&nbsp;&nbsp; :screen (-): -</span><br style=3D"font-fa=
mily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbs=
p; -: syntax error: `vSO=3D$' unexpected</span><br style=3D"font-family: Co=
urier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">If I remove the ".scree=
nrc" file and start screen with "-s -" parameter, the same error occur.</sp=
an><br
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><br>BTW: I have the same commands of the profile and .screenrc running on =
a linux <br>machine without problems.</span><br></div><br>=0A=0A=0A <h=
r size=3D1>Novos endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. <a href=3D=
"http://br.rd.yahoo.com/mail/taglines/mail/*http://br.new.mail.yahoo.com/ad=
dresses">Crie um email novo</a> com a sua cara @ymail.com ou @rocketmail.co=
m.</body></html>
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_______________________________________________
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http://lists.gnu.org/mailman/listinfo/screen-users
--===============1279010893==--
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Hi all, =0A=0A=0AI'm new with screen utils. I love it! =0AA few days I'm us=
ing it over Linux machine without problems. =0ANow I trying install over a =
Sun Solaris 10 (SPARC) and got a little problem.=0A=0AHere is the informati=
on about the version:=0A=0A# screen --version=0AScreen version 4.00.02 (FAU=
) 5-Dec-03=0A=0A# cat /etc/release=0A Solaris 10 8/07=
s10s_u4wos_12b SPARC=0A Copyright 2007 Sun Microsystems, Inc. A=
ll Rights Reserved.=0A Use is subject to license ter=
ms.=0A Assembled 16 August 2007=0A=0A# pkginfo -=
l SFWscrn=0A PKGINST: SFWscrn=0A NAME: screen - A full-screen wind=
ow manager=0A CATEGORY: system=0A ARCH: sparc=0A VERSION: 4.0.2,=
REV=3D2006.10.04.21.15=0A BASEDIR: /opt=0A VENDOR: http://www.gnu.or=
g/software/screen/=0A DESC: screen - A full-screen window manager=0A =
PSTAMP: freeware20061004212406=0A INSTDATE: ago 29 2008 14:37=0A HO=
TLINE: Please contact the owners of this software=0A STATUS: completel=
y installed=0A FILES: 37 installed pathnames=0A =
7 shared pathnames=0A 10 directories=0A =
1 executables=0A 1915 blocks used (approx)=0A=0AWell , my p=
roblem is with "shell" parameter on the ".screenrc".=0AI put the shell to w=
ork with login shell "-" .=0Ashell - =0A=0AIn this sample, I using the user=
"cmartins":=0A> grep cmartins /etc/passwd=0Acmartins:x:198:106::/home/cmar=
tins:/bin/bash=0A=0AOn my $HOME/.profile I add a command and this works fin=
e when I login on the system. But when screen are started , a weird syntax =
error occur. =0AThis is my profile:=0A> cat .profile=0A #=0A # Copyri=
ght (c) 2001 by Sun Microsystems, Inc.=0A # All rights reserved.=0A #=
=0A # ident "@(#)local.profile 1.10 01/06/23 SMI"=0A stty ist=
rip=0A PATH=3D/usr/bin:/usr/ucb:/etc:.=0A export PATH=0A vSO=3D$(u=
name)=0A=0AI just add the "vSO" variable.=0AWhen screen are started this me=
ssage appear:=0A :screen (-): -=0A -: syntax error: `vSO=3D$' unexpec=
ted=0A=0AIf I remove the ".screenrc" file and start screen with "-s -" para=
meter, the same error occur.=0A=0ABTW: I have the same commands of the prof=
ile and .screenrc running on a linux =0Amachine without problems.=0A=0A=0A =
Novos endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email no=
vo com a sua cara @ymail.com ou @rocketmail.com.=0Ahttp://br.new.mail.yahoo=
.com/addresses
--0-960347715-1220369452=:86052
Content-Type: text/html; charset=utf-8
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:Courier New,courier,monaco,monospace,san=
s-serif;font-size:10pt"><div style=3D"font-family: Courier New,courier,mona=
co,monospace,sans-serif; font-size: 10pt;"><div style=3D"font-family: times=
new roman,new york,times,serif; font-size: 12pt;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">Hi all, </span><br><d=
iv style=3D"font-family: arial,helvetica,sans-serif; font-size: 10pt;"><spa=
n style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><=
br>I'm new with screen utils. I love it! <br>A few days I'm using it over L=
inux machine without problems. <br>Now I trying install over a Sun Solaris =
10 (SPARC) and got a little problem.<br><br>Here is the information about t=
he version:<br><br># screen --version</span><br style=3D"font-family: Couri=
er New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Co=
urier
New,courier,monaco,monospace,sans-serif;">Screen version 4.00.02 (FAU) 5-D=
ec-03</span><br style=3D"font-family: Courier New,courier,monaco,monospace,=
sans-serif;"><br style=3D"font-family: Courier New,courier,monaco,monospace=
,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;"># cat /etc/release</span><br style=3D"font-family: Courier=
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp; Solaris 10 8/07 s10s_u4wos_12b SPARC</span><br=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Copyright 200=
7 Sun Microsystems, Inc.&nbsp; All Rights Reserved.</span><br style=3D"font=
-family:
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Use is subject to license terms.=
</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sa=
ns-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp; Assembled 16 August 2007</span><br style=3D"font-fa=
mily: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;"># pkginfo -l SF=
Wscrn</span><br style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; PKGINST:&nbsp; S=
FWscrn</span><br style=3D"font-family: Courier New,courier,monaco,monospace=
,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAME:&nbsp; screen - A=0A f=
ull-screen window manager</span><br style=3D"font-family: Courier New,couri=
er,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;">&nbsp; CATEGORY:&nbsp; system</span><br=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ARCH:&nbsp; sparc</span><br style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; VE=
RSION:&nbsp; 4.0.2,REV=3D2006.10.04.21.15</span><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp; BASEDIR:&n=
bsp; /opt</span><br style=3D"font-family: Courier New,courier,monaco,monosp=
ace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; VENDOR:&nbsp;=
http://www.gnu.org/software/screen/</span><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; DESC:&nbsp; screen - A full-screen window manager</span><br style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;=
&nbsp; PSTAMP:&nbsp; freeware20061004212406</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp; INSTDATE:&nbsp=
; ago 29 2008 14:37</span><br style=3D"font-family: Courier New,courier,mon=
aco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;">&nbsp;&nbsp; HOTLINE:&nbsp; Please contact th=
e owners=0A of this software</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; STATUS:&nbsp; com=
pletely installed</span><br style=3D"font-family: Courier New,courier,monac=
o,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp; FILES:&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 37 installed pathnames</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 7 shared pathnames</span><br style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10 d=
irectories</span><br style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mo=
nospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 executables</span>=
<br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; 1915 blocks used (approx)</span><br style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;">Well , my problem =
is with=0A "shell" parameter on the ".screenrc".</span><br style=3D"font-fa=
mily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif;">I put the shell =
to work with login shell "-" .</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">shell - </span><br style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"fo=
nt-family: Courier New,courier,monaco,monospace,sans-serif;">In this sample=
, I using the user "cmartins":</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">&gt; grep cmartins /etc/passwd</sp=
an><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;"><span
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">cm=
artins:x:198:106::/home/cmartins:/bin/bash</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">On my $HOME/.profile =
I add a command and this works fine when I login on the system. But when sc=
reen are started , a weird syntax error occur. </span><br style=3D"font-fam=
ily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;">This is my profil=
e:</span><br style=3D"font-family: Courier New,courier,monaco,monospace,san=
s-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,=
sans-serif;">&gt; cat .profile</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</span><br s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><spa=
n style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&=
nbsp;&nbsp;&nbsp; # Copyright (c) 2001 by Sun Microsystems, Inc.</span><br =
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><sp=
an style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
&nbsp;&nbsp;&nbsp; # All rights reserved.</span><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;">&nbsp;&nbsp;&nbsp; # ident "@(#)local.profile&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 1.10&nbsp;&nbsp;&nbsp; 01/06/23 SMI"</span><br style=3D"font-famil=
y: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; stty istri=
p</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,s=
ans-serif;">&nbsp;&nbsp;&nbsp; PATH=3D/usr/bin:/usr/ucb:/etc:.</span><br st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&n=
bsp;&nbsp;&nbsp; export PATH</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; vSO=3D$(uname)</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-se=
rif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;">I just=0A add the "vSO" variable.</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;">When screen are starte=
d this message appear:</span><br style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,couri=
er,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; :screen (-): -</span><b=
r style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><=
span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;=
">&nbsp;&nbsp;&nbsp; -: syntax error: `vSO=3D$' unexpected</span><br style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><br styl=
e=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">If I=
remove the ".screenrc" file and start screen with "-s -" parameter, the sa=
me error occur.</span><br
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><br>BTW: I have the same commands of the profile and .screenrc running on =
a linux <br>machine without problems.</span><br></div><br></div></div></div=
><br>=0A=0A=0A <hr size=3D1>Novos endere=C3=A7os, o Yahoo! que voc=C3=
=AA conhece. <a href=3D"http://br.rd.yahoo.com/mail/taglines/mail/*http://b=
r.new.mail.yahoo.com/addresses">Crie um email novo</a> com a sua cara @ymai=
l.com ou @rocketmail.com.</body></html>
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From: cesarmartins_2004-linux@yahoo.com.br
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Subject: Res: Solaris 10 - login shell error
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=0A=0AComplementing the previous message. =0AAfter some tests, I believed t=
his is a Bug. =0AWhen executed with option "-s -" the "sh" shell are execut=
ed , and not the shell on the /etc/passwd.=0A=0AAfter remove the ".screenrc=
" I execute:=0A=0A SunOS cmartins:~> screen -s -=0A SunOS \u:\w> ps=
=0A PID TTY TIME CMD=0A 6859 pts/5 0:00 ps=0A =
6852 pts/5 0:00 sh=0A SunOS \u:\w> echo $$=0A 6852=0A=0A=0A =
=0A=0A=0A=0A=0A----- Mensagem original ----=0ADe: "cesarmartins_2004-linux@=
yahoo.com.br" <cesarmartins_2004-linux@yahoo.com.br>=0APara: screen-users@g=
nu.org=0AEnviadas: Ter=C3=A7a-feira, 2 de Setembro de 2008 12:30:52=0AAssun=
to: Solaris 10 - login shell error=0A=0A=0AHi all, =0A=0A=0AI'm new with sc=
reen utils. I love it! =0AA few days I'm using it over Linux machine withou=
t problems. =0ANow I trying install over a Sun Solaris 10 (SPARC) and got a=
little problem.=0A=0AHere is the information about the version:=0A=0A# scr=
een --version=0AScreen version 4.00.02 (FAU) 5-Dec-03=0A=0A# cat /etc/relea=
se=0A Solaris 10 8/07 s10s_u4wos_12b SPARC=0A =
Copyright 2007 Sun Microsystems, Inc. All Rights Reserved.=0A =
Use is subject to license terms.=0A =
Assembled 16 August 2007=0A=0A# pkginfo -l SFWscrn=0A PKGINST: SFWscrn=
=0A NAME: screen - A full-screen window manager=0A CATEGORY: system=
=0A ARCH: sparc=0A VERSION: 4.0.2,REV=3D2006.10.04.21.15=0A BASE=
DIR: /opt=0A VENDOR: http://www.gnu.org/software/screen/=0A DESC:=
screen - A full-screen window manager=0A PSTAMP: freeware200610042124=
06=0A INSTDATE: ago 29 2008 14:37=0A HOTLINE: Please contact the owner=
s of this software=0A STATUS: completely installed=0A FILES: =
37 installed pathnames=0A 7 shared pathnames=0A =
10 directories=0A 1 executables=0A =
1915 blocks used (approx)=0A=0AWell , my problem is with "shell" parameter=
on the ".screenrc".=0AI put the shell to work with login shell "-" .=0Ashe=
ll - =0A=0AIn this sample, I using the user "cmartins":=0A> grep cmartins /=
etc/passwd=0Acmartins:x:198:106::/home/cmartins:/bin/bash=0A=0AOn my $HOME/=
.profile I add a command and this works fine when I login on the system. Bu=
t when screen are started , a weird syntax error occur. =0AThis is my profi=
le:=0A> cat .profile=0A #=0A # Copyright (c) 2001 by Sun Microsystems=
, Inc.=0A # All rights reserved.=0A #=0A # ident "@(#)local.profil=
e 1.10 01/06/23 SMI"=0A stty istrip=0A PATH=3D/usr/bin:/usr/u=
cb:/etc:.=0A export PATH=0A vSO=3D$(uname)=0A=0AI just add the "vSO" =
variable.=0AWhen screen are started this message appear:=0A :screen (-):=
-=0A -: syntax error: `vSO=3D$' unexpected=0A=0AIf I remove the ".scree=
nrc" file and start screen with "-s -" parameter, the same error occur.=0A=
=0ABTW: I have the same commands of the profile and .screenrc running on a =
linux =0Amachine without problems.=0A=0A=0A________________________________=
=0ANovos endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email novo=
com a sua cara @ymail.com ou @rocketmail.com.=0A=0A=0A=0A Novos ender=
e=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email novo com a sua car=
a @ymail.com ou @rocketmail.com.=0Ahttp://br.new.mail.yahoo.com/addresses
--0-1185300945-1220373295=:52654
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:Courier New,courier,monaco,monospace,san=
s-serif;font-size:10pt"><br><div style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif; font-size: 10pt;"><div style=3D"font-family: t=
imes new roman,new york,times,serif; font-size: 12pt;"><div style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif; font-size: 10pt;">C=
omplementing the previous message. <br>After some tests, I believed this is=
a Bug. <br>When executed with option "-s -" the "sh" shell are executed , =
and not the shell on the /etc/passwd.<br><br>After remove the ".screenrc" I=
execute:<br><br>&nbsp;&nbsp;&nbsp; SunOS cmartins:~&gt; screen -s -<br>&nb=
sp;&nbsp;&nbsp; SunOS \u:\w&gt; ps<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; PID T=
TY&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TIME CMD<br>&nbsp;&nbsp;=
&nbsp; &nbsp; 6859 pts/5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0:00
ps<br>&nbsp;&nbsp;&nbsp; &nbsp; 6852 pts/5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; 0:00 sh<br>&nbsp;&nbsp;&nbsp; SunOS \u:\w&gt; echo $$<br>&nbsp;&nbsp;&=
nbsp; 6852<br><br><div>&nbsp;<br><br></div><div style=3D"font-family: Couri=
er New,courier,monaco,monospace,sans-serif; font-size: 10pt;"><br><div styl=
e=3D"font-family: times new roman,new york,times,serif; font-size: 12pt;">-=
---- Mensagem original ----<br>De: "cesarmartins_2004-linux@yahoo.com.br" &=
lt;cesarmartins_2004-linux@yahoo.com.br&gt;<br>Para: screen-users@gnu.org<b=
r>Enviadas: Ter=C3=A7a-feira, 2 de Setembro de 2008 12:30:52<br>Assunto: So=
laris 10 - login shell error<br><br><div style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif; font-size: 10pt;"><div style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif; font-size: 10pt;"><=
div style=3D"font-family: times new roman,new york,times,serif; font-size: =
12pt;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">Hi all, </span><br><div style=3D=
"font-family: arial,helvetica,sans-serif; font-size: 10pt;"><span style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;"><br>I'm new =
with screen utils. I love it! <br>A few days I'm using it over Linux machin=
e without problems.=0A <br>Now I trying install over a Sun Solaris 10 (SPAR=
C) and got a little problem.<br><br>Here is the information about the versi=
on:<br><br># screen --version</span><br style=3D"font-family: Courier New,c=
ourier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier Ne=
w,courier,monaco,monospace,sans-serif;">Screen version 4.00.02 (FAU) 5-Dec-=
03</span><br style=3D"font-family: Courier New,courier,monaco,monospace,san=
s-serif;"><br style=3D"font-family: Courier New,courier,monaco,monospace,sa=
ns-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace=
,sans-serif;"># cat /etc/release</span><br style=3D"font-family: Courier Ne=
w,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier=
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp; Solaris 10 8/07 s10s_u4wos_12b SPARC</span><br st=
yle=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Copyright 2007 Sun Microsystems, Inc.&nbsp;=
All Rights Reserved.</span><br style=3D"font-family: Courier New,courier,m=
onaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courie=
r,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; Use is subject to license terms.</span><br style=3D"fo=
nt-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D=
"font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; Assembled 16 August 2007</span><br style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;"># pkginfo -l SFWscrn</span><=
br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
<span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif=
;">&nbsp;&nbsp; PKGINST:&nbsp; SFWscrn</span><br style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; NAME:&nbsp; screen - A=0A full-screen window manager</span><br style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp=
; CATEGORY:&nbsp; system</span><br style=3D"font-family: Courier New,courie=
r,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,cou=
rier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ARCH:&nbs=
p; sparc</span><br style=3D"font-family: Courier New,courier,monaco,monospa=
ce,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mono=
space,sans-serif;">&nbsp;&nbsp; VERSION:&nbsp; 4.0.2,REV=3D2006.10.04.21.15=
</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sa=
ns-serif;">&nbsp;&nbsp; BASEDIR:&nbsp; /opt</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; VENDOR:&nbsp;=
http://www.gnu.org/software/screen/</span><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; DESC:&nbsp; screen - A full-screen window manager</span><br style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;=
&nbsp; PSTAMP:&nbsp; freeware20061004212406</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp; INSTDATE:&nbsp=
; ago 29 2008 14:37</span><br style=3D"font-family: Courier New,courier,mon=
aco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;">&nbsp;&nbsp; HOTLINE:&nbsp; Please contact th=
e owners=0A of this software</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; STATUS:&nbsp; com=
pletely installed</span><br style=3D"font-family: Courier New,courier,monac=
o,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp; FILES:&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 37 installed pathnames</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 7 shared pathnames</span><br style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10 d=
irectories</span><br style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mo=
nospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 executables</span>=
<br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; 1915 blocks used (approx)</span><br style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;">Well , my problem =
is with=0A "shell" parameter on the ".screenrc".</span><br style=3D"font-fa=
mily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif;">I put the shell =
to work with login shell "-" .</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">shell - </span><br style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"fo=
nt-family: Courier New,courier,monaco,monospace,sans-serif;">In this sample=
, I using the user "cmartins":</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">&gt; grep cmartins /etc/passwd</sp=
an><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;"><span
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">cm=
artins:x:198:106::/home/cmartins:/bin/bash</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">On my $HOME/.profile =
I add a command and this works fine when I login on the system. But when sc=
reen are started , a weird syntax error occur. </span><br style=3D"font-fam=
ily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;">This is my profil=
e:</span><br style=3D"font-family: Courier New,courier,monaco,monospace,san=
s-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,=
sans-serif;">&gt; cat .profile</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</span><br s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><spa=
n style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&=
nbsp;&nbsp;&nbsp; # Copyright (c) 2001 by Sun Microsystems, Inc.</span><br =
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><sp=
an style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
&nbsp;&nbsp;&nbsp; # All rights reserved.</span><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;">&nbsp;&nbsp;&nbsp; # ident "@(#)local.profile&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 1.10&nbsp;&nbsp;&nbsp; 01/06/23 SMI"</span><br style=3D"font-famil=
y: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; stty istri=
p</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,s=
ans-serif;">&nbsp;&nbsp;&nbsp; PATH=3D/usr/bin:/usr/ucb:/etc:.</span><br st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&n=
bsp;&nbsp;&nbsp; export PATH</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; vSO=3D$(uname)</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-se=
rif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;">I just=0A add the "vSO" variable.</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;">When screen are starte=
d this message appear:</span><br style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,couri=
er,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; :screen (-): -</span><b=
r style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><=
span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;=
">&nbsp;&nbsp;&nbsp; -: syntax error: `vSO=3D$' unexpected</span><br style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><br styl=
e=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">If I=
remove the ".screenrc" file and start screen with "-s -" parameter, the sa=
me error occur.</span><br
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><br>BTW: I have the same commands of the profile and .screenrc running on =
a linux <br>machine without problems.</span><br></div><br></div></div></div=
><br>=0A=0A=0A <hr size=3D"1">Novos endere=C3=A7os, o Yahoo! que voc=
=C3=AA conhece. <a rel=3D"nofollow" target=3D"_blank" href=3D"http://br.rd.=
yahoo.com/mail/taglines/mail/*http://br.new.mail.yahoo.com/addresses">Crie =
um email novo</a> com a sua cara @ymail.com ou @rocketmail.com.</div></div>=
</div><br></div></div></div><br>=0A=0A=0A <hr size=3D1>Novos endere=C3=
=A7os, o Yahoo! que voc=C3=AA conhece. <a href=3D"http://br.rd.yahoo.com/ma=
il/taglines/mail/*http://br.new.mail.yahoo.com/addresses">Crie um email nov=
o</a> com a sua cara @ymail.com ou @rocketmail.com.</body></html>
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Head just built and ran perfectly on OSX.. I'd been fighting with this
on and off for sometime, but now I have my beloved Verticle Splits
without resorting to ugly patches on the 4.0.2 tree.
Thanks Guys!
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Complementing the previous message. =0AAfter some tests, I believed this is=
a Bug. =0AWhen executed with option "-s -" the "sh" shell are executed , a=
nd not the shell on the /etc/passwd.=0A=0AAfter remove the ".screenrc" I ex=
ecute:=0A=0A SunOS cmartins:~> screen -s -=0A SunOS \u:\w> ps=0A =
PID TTY TIME CMD=0A 6859 pts/5 0:00 ps=0A 6852 pt=
s/5 0:00 sh=0A SunOS \u:\w> echo $$=0A 6852=0A=0A=0A =0A=0A=0A=
=0A=0A----- Mensagem original ----=0ADe: "cesarmartins_2004-linux@yahoo.com=
.br" <cesarmartins_2004-linux@yahoo.com.br>=0APara: screen-users@gnu.org=0A=
Enviadas: Ter=C3=A7a-feira, 2 de Setembro de 2008 12:30:52=0AAssunto: Solar=
is 10 - login shell error=0A=0A=0AHi all, =0A=0A=0AI'm new with screen util=
s. I love it! =0AA few days I'm using it over Linux machine without problem=
s. =0ANow I trying install over a Sun Solaris 10 (SPARC) and got a little p=
roblem.=0A=0AHere is the information about the version:=0A=0A# screen --ver=
sion=0AScreen version 4.00.02 (FAU) 5-Dec-03=0A=0A# cat /etc/release=0A =
Solaris 10 8/07 s10s_u4wos_12b SPARC=0A Copyri=
ght 2007 Sun Microsystems, Inc. All Rights Reserved.=0A =
Use is subject to license terms.=0A Assembl=
ed 16 August 2007=0A=0A# pkginfo -l SFWscrn=0A PKGINST: SFWscrn=0A =
NAME: screen - A full-screen window manager=0A CATEGORY: system=0A =
ARCH: sparc=0A VERSION: 4.0.2,REV=3D2006.10.04.21.15=0A BASEDIR: /op=
t=0A VENDOR: http://www.gnu.org/software/screen/=0A DESC: screen =
- A full-screen window manager=0A PSTAMP: freeware20061004212406=0A IN=
STDATE: ago 29 2008 14:37=0A HOTLINE: Please contact the owners of this=
software=0A STATUS: completely installed=0A FILES: 37 instal=
led pathnames=0A 7 shared pathnames=0A 1=
0 directories=0A 1 executables=0A 1915 blo=
cks used (approx)=0A=0AWell , my problem is with "shell" parameter on the "=
.screenrc".=0AI put the shell to work with login shell "-" .=0Ashell - =0A=
=0AIn this sample, I using the user "cmartins":=0A> grep cmartins /etc/pass=
wd=0Acmartins:x:198:106::/home/cmartins:/bin/bash=0A=0AOn my $HOME/.profile=
I add a command and this works fine when I login on the system. But when s=
creen are started , a weird syntax error occur. =0AThis is my profile:=0A> =
cat .profile=0A #=0A # Copyright (c) 2001 by Sun Microsystems, Inc.=
=0A # All rights reserved.=0A #=0A # ident "@(#)local.profile =
1.10 01/06/23 SMI"=0A stty istrip=0A PATH=3D/usr/bin:/usr/ucb:/et=
c:.=0A export PATH=0A vSO=3D$(uname)=0A=0AI just add the "vSO" variab=
le.=0AWhen screen are started this message appear:=0A :screen (-): -=0A =
-: syntax error: `vSO=3D$' unexpected=0A=0AIf I remove the ".screenrc" f=
ile and start screen with "-s -" parameter, the same error occur.=0A=0ABTW:=
I have the same commands of the profile and .screenrc running on a linux =
=0Amachine without problems.=0A=0A=0A________________________________=0ANov=
os endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email novo com a=
sua cara @ymail.com ou @rocketmail.com.=0A=0A=0A Novos endere=C3=A7os=
, o Yahoo! que voc=C3=AA conhece. Crie um email novo com a sua cara @ymail.=
com ou @rocketmail.com.=0Ahttp://br.new.mail.yahoo.com/addresses
--0-96972169-1220373259=:86110
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: quoted-printable
<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:Courier New,courier,monaco,monospace,san=
s-serif;font-size:10pt">Complementing the previous message. <br>After some =
tests, I believed this is a Bug. <br>When executed with option "-s -" the "=
sh" shell are executed , and not the shell on the /etc/passwd.<br><br>After=
remove the ".screenrc" I execute:<br><br>&nbsp;&nbsp;&nbsp; SunOS cmartins=
:~&gt; screen -s -<br>&nbsp;&nbsp;&nbsp; SunOS \u:\w&gt; ps<br>&nbsp;&nbsp;=
&nbsp; &nbsp;&nbsp; PID TTY&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
TIME CMD<br>&nbsp;&nbsp;&nbsp; &nbsp; 6859 pts/5&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp; 0:00 ps<br>&nbsp;&nbsp;&nbsp; &nbsp; 6852 pts/5&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; 0:00 sh<br>&nbsp;&nbsp;&nbsp; SunOS \u:\w&gt; echo $$<b=
r>&nbsp;&nbsp;&nbsp; 6852<br><br><div>&nbsp;<br><br></div><div style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif; font-size:
10pt;"><br><div style=3D"font-family: times new roman,new york,times,serif=
; font-size: 12pt;">----- Mensagem original ----<br>De: "cesarmartins_2004-=
linux@yahoo.com.br" &lt;cesarmartins_2004-linux@yahoo.com.br&gt;<br>Para: s=
creen-users@gnu.org<br>Enviadas: Ter=C3=A7a-feira, 2 de Setembro de 2008 12=
:30:52<br>Assunto: Solaris 10 - login shell error<br><br><div style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif; font-size: 10pt;"=
><div style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif=
; font-size: 10pt;"><div style=3D"font-family: times new roman,new york,tim=
es,serif; font-size: 12pt;"><span style=3D"font-family: Courier New,courier=
,monaco,monospace,sans-serif;">Hi all, </span><br><div style=3D"font-family=
: arial,helvetica,sans-serif; font-size: 10pt;"><span style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><br>I'm new with screen =
utils. I love it! <br>A few days I'm using it over Linux machine without pr=
oblems.
<br>Now I trying install over a Sun Solaris 10 (SPARC) and got a little pr=
oblem.<br><br>Here is the information about the version:<br><br># screen --=
version</span><br style=3D"font-family: Courier New,courier,monaco,monospac=
e,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;">Screen version 4.00.02 (FAU) 5-Dec-03</span><br style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D=
"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"># cat /e=
tc/release</span><br style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mo=
nospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; Solaris 10 8/07 s10s_u4wos_12b SPARC</span><br style=3D"font-family: Co=
urier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Copyright 2007 Sun Microsystems, Inc.&nbsp;=
All Rights Reserved.</span><br style=3D"font-family: Courier New,courier,m=
onaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courie=
r,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; Use is subject to license terms.</span><br style=3D"fo=
nt-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D=
"font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
; Assembled 16 August 2007</span><br style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;"># pkginfo -l SFWscrn</span><=
br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
<span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif=
;">&nbsp;&nbsp; PKGINST:&nbsp; SFWscrn</span><br style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp; NAME:&nbsp; screen - A=0A full-screen window manager</span><br style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp=
; CATEGORY:&nbsp; system</span><br style=3D"font-family: Courier New,courie=
r,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,cou=
rier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ARCH:&nbs=
p; sparc</span><br style=3D"font-family: Courier New,courier,monaco,monospa=
ce,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mono=
space,sans-serif;">&nbsp;&nbsp; VERSION:&nbsp; 4.0.2,REV=3D2006.10.04.21.15=
</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sa=
ns-serif;">&nbsp;&nbsp; BASEDIR:&nbsp; /opt</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; VENDOR:&nbsp;=
http://www.gnu.org/software/screen/</span><br style=3D"font-family: Courie=
r New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cou=
rier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p; DESC:&nbsp; screen - A full-screen window manager</span><br style=3D"fon=
t-family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"=
font-family: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;=
&nbsp; PSTAMP:&nbsp; freeware20061004212406</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp; INSTDATE:&nbsp=
; ago 29 2008 14:37</span><br style=3D"font-family: Courier New,courier,mon=
aco,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;">&nbsp;&nbsp; HOTLINE:&nbsp; Please contact th=
e owners=0A of this software</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; STATUS:&nbsp; com=
pletely installed</span><br style=3D"font-family: Courier New,courier,monac=
o,monospace,sans-serif;"><span style=3D"font-family: Courier New,courier,mo=
naco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp; FILES:&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 37 installed pathnames</span><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp; 7 shared pathnames</span><br style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10 d=
irectories</span><br style=3D"font-family: Courier New,courier,monaco,monos=
pace,sans-serif;"><span style=3D"font-family: Courier New,courier,monaco,mo=
nospace,sans-serif;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1 executables</span>=
<br style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp; 1915 blocks used (approx)</span><br style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;">Well , my problem =
is with=0A "shell" parameter on the ".screenrc".</span><br style=3D"font-fa=
mily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font=
-family: Courier New,courier,monaco,monospace,sans-serif;">I put the shell =
to work with login shell "-" .</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">shell - </span><br style=3D"font-f=
amily: Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"fo=
nt-family: Courier New,courier,monaco,monospace,sans-serif;">In this sample=
, I using the user "cmartins":</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier N=
ew,courier,monaco,monospace,sans-serif;">&gt; grep cmartins /etc/passwd</sp=
an><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-seri=
f;"><span
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">cm=
artins:x:198:106::/home/cmartins:/bin/bash</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><br style=3D"font-family:=
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-fami=
ly: Courier New,courier,monaco,monospace,sans-serif;">On my $HOME/.profile =
I add a command and this works fine when I login on the system. But when sc=
reen are started , a weird syntax error occur. </span><br style=3D"font-fam=
ily: Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-=
family: Courier New,courier,monaco,monospace,sans-serif;">This is my profil=
e:</span><br style=3D"font-family: Courier New,courier,monaco,monospace,san=
s-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,=
sans-serif;">&gt; cat .profile</span><br style=3D"font-family: Courier New,=
courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier
New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</span><br s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><spa=
n style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&=
nbsp;&nbsp;&nbsp; # Copyright (c) 2001 by Sun Microsystems, Inc.</span><br =
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><sp=
an style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">=
&nbsp;&nbsp;&nbsp; # All rights reserved.</span><br style=3D"font-family: C=
ourier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family=
: Courier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; #</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans-=
serif;">&nbsp;&nbsp;&nbsp; # ident "@(#)local.profile&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 1.10&nbsp;&nbsp;&nbsp; 01/06/23 SMI"</span><br style=3D"font-famil=
y: Courier
New,courier,monaco,monospace,sans-serif;"><span style=3D"font-family: Cour=
ier New,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; stty istri=
p</span><br style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,s=
ans-serif;">&nbsp;&nbsp;&nbsp; PATH=3D/usr/bin:/usr/ucb:/etc:.</span><br st=
yle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span=
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">&n=
bsp;&nbsp;&nbsp; export PATH</span><br style=3D"font-family: Courier New,co=
urier,monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New=
,courier,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; vSO=3D$(uname)</s=
pan><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-ser=
if;"><br style=3D"font-family: Courier New,courier,monaco,monospace,sans-se=
rif;"><span style=3D"font-family: Courier New,courier,monaco,monospace,sans=
-serif;">I just=0A add the "vSO" variable.</span><br style=3D"font-family: =
Courier New,courier,monaco,monospace,sans-serif;"><span style=3D"font-famil=
y: Courier New,courier,monaco,monospace,sans-serif;">When screen are starte=
d this message appear:</span><br style=3D"font-family: Courier New,courier,=
monaco,monospace,sans-serif;"><span style=3D"font-family: Courier New,couri=
er,monaco,monospace,sans-serif;">&nbsp;&nbsp;&nbsp; :screen (-): -</span><b=
r style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><=
span style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;=
">&nbsp;&nbsp;&nbsp; -: syntax error: `vSO=3D$' unexpected</span><br style=
=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><br styl=
e=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><span s=
tyle=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;">If I=
remove the ".screenrc" file and start screen with "-s -" parameter, the sa=
me error occur.</span><br
style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"><s=
pan style=3D"font-family: Courier New,courier,monaco,monospace,sans-serif;"=
><br>BTW: I have the same commands of the profile and .screenrc running on =
a linux <br>machine without problems.</span><br></div><br></div></div></div=
><br>=0A=0A=0A <hr size=3D"1">Novos endere=C3=A7os, o Yahoo! que voc=
=C3=AA conhece. <a rel=3D"nofollow" target=3D"_blank" href=3D"http://br.rd.=
yahoo.com/mail/taglines/mail/*http://br.new.mail.yahoo.com/addresses">Crie =
um email novo</a> com a sua cara @ymail.com ou @rocketmail.com.</div></div>=
</div><br>=0A=0A=0A <hr size=3D1>Novos endere=C3=A7os, o Yahoo! que vo=
c=C3=AA conhece. <a href=3D"http://br.rd.yahoo.com/mail/taglines/mail/*http=
://br.new.mail.yahoo.com/addresses">Crie um email novo</a> com a sua cara @=
ymail.com ou @rocketmail.com.</body></html>
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On Wed, Sep 3, 2008 at 8:42 PM, Aaron Davies wrote:
>> If you have your COLUMNS and LINES environment variables populated,
>> screen honors them.
>>
>> I tried this in my .tcshrc file (which would be much much simpler to
>> express in your .bashrc file) and it seems to solve that annoyance
>> just fine.
>
> hmm. before i can see if that works for me, i think i need to solve a
> possibly related problem: my LINES and COLUMNS vars don't even make it
> into screen. i have `eval resize` near the end of my .bash_profile,
> which sets and exports them, so they should show up in any subprocess,
> right? i don't have any shell setting in my .screenrc, so screen
> should run non-login instances of my regular shell, i.e. bash w/the
> .bashrc executed, but not the .bash_profile. nonetheless, after login
> but before starting screen, i find that LINES and COLUMNS are set;
> after starting screen and checking from inside, i find that they're
> not. why are they not getting passed down?
Sorry, this important tidbit slipped my mind. It's not screen that
honors COLUMNS and LINES, it's the shell itself. So you need to make
sure the snippet of code that determines LINES and COLUMNS is in your
shell's rc file on the remote host as well. I tested it to make sure
and doing it this way works fine for me. I didn't test bash, just
tcsh (including a very very old tcsh version 6.11.0 on one of my
boxes) and the annoyance vanishes.
- --
Andy Harrison
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From: "Andy Harrison" <aharrison@gmail.com>
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On Tue, Sep 2, 2008 at 12:34 PM, wrote:
>
> Complementing the previous message.
> After some tests, I believed this is a Bug.
> When executed with option "-s -" the "sh" shell are executed , and not the
> shell on the /etc/passwd.
>
> After remove the ".screenrc" I execute:
>
> SunOS cmartins:~> screen -s -
> SunOS \u:\w> ps
> PID TTY TIME CMD
> 6859 pts/5 0:00 ps
> 6852 pts/5 0:00 sh
> SunOS \u:\w> echo $$
> 6852
>
I don't believe it's a bug. If you consult the manpage, it says:
* If the command begins with a '-' character, the shell will
* be started as a login-shell.
So you've got the preceding '-' character, but no command
following it.
- --
Andy Harrison
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From: "Tom Scogland" <njustn@gmail.com>
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Subject: Re: Solaris 10 - login shell error
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Perhaps 'shell -$SHELL' would be more what you're after?
On Thu, Sep 4, 2008 at 9:58 AM, Andy Harrison <aharrison@gmail.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
>
> On Tue, Sep 2, 2008 at 12:34 PM, wrote:
> >
> > Complementing the previous message.
> > After some tests, I believed this is a Bug.
> > When executed with option "-s -" the "sh" shell are executed , and not
> the
> > shell on the /etc/passwd.
> >
> > After remove the ".screenrc" I execute:
> >
> > SunOS cmartins:~> screen -s -
> > SunOS \u:\w> ps
> > PID TTY TIME CMD
> > 6859 pts/5 0:00 ps
> > 6852 pts/5 0:00 sh
> > SunOS \u:\w> echo $$
> > 6852
> >
>
>
>
> I don't believe it's a bug. If you consult the manpage, it says:
>
> * If the command begins with a '-' character, the shell will
> * be started as a login-shell.
>
>
> So you've got the preceding '-' character, but no command
> following it.
>
>
> - --
> Andy Harrison
> public key: 0x67518262
>
>
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--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr">Perhaps &#39;shell -$SHELL&#39; would be more what you&#39;re after?<div><br><div class="gmail_quote">On Thu, Sep 4, 2008 at 9:58 AM, Andy Harrison <span dir="ltr">&lt;<a href="mailto:aharrison@gmail.com">aharrison@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<div class="Ih2E3d"><br>
<br>
<br>
On Tue, Sep 2, 2008 at 12:34 PM, &nbsp; wrote:<br>
&gt;<br>
&gt; Complementing the previous message.<br>
&gt; After some tests, I believed this is a Bug.<br>
&gt; When executed with option &quot;-s -&quot; the &quot;sh&quot; shell are executed , and not the<br>
&gt; shell on the /etc/passwd.<br>
&gt;<br>
&gt; After remove the &quot;.screenrc&quot; I execute:<br>
&gt;<br>
&gt; &nbsp; &nbsp; SunOS cmartins:~&gt; screen -s -<br>
&gt; &nbsp; &nbsp; SunOS \u:\w&gt; ps<br>
&gt; &nbsp; &nbsp; &nbsp; &nbsp;PID TTY &nbsp; &nbsp; &nbsp; &nbsp; TIME CMD<br>
&gt; &nbsp; &nbsp; &nbsp; 6859 pts/5 &nbsp; &nbsp; &nbsp; 0:00 ps<br>
&gt; &nbsp; &nbsp; &nbsp; 6852 pts/5 &nbsp; &nbsp; &nbsp; 0:00 sh<br>
&gt; &nbsp; &nbsp; SunOS \u:\w&gt; echo $$<br>
&gt; &nbsp; &nbsp; 6852<br>
&gt;<br>
<br>
<br>
<br>
</div>I don&#39;t believe it&#39;s a bug. If you consult the manpage, it says:<br>
<br>
&nbsp; * If the command begins with a &#39;-&#39; character, the shell will<br>
&nbsp; * be started as a login-shell.<br>
<br>
<br>
So you&#39;ve got the preceding &#39;-&#39; character, but no command<br>
following it.<br>
<br>
<br>
- --<br>
Andy Harrison<br>
public key: 0x67518262<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein<br>
</div></div>
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Hummm... thanks! this way works fine!!=0A=0AThanks again!=0A=0A =0A=0A=0A--=
--- Mensagem original ----=0ADe: Tom Scogland <njustn@gmail.com>=0APara: An=
dy Harrison <aharrison@gmail.com>=0ACc: Screen Users <screen-users@gnu.org>=
=0AEnviadas: Quinta-feira, 4 de Setembro de 2008 12:04:56=0AAssunto: Re: So=
laris 10 - login shell error=0A=0A=0APerhaps 'shell -$SHELL' would be more =
what you're after?=0A=0A=0AOn Thu, Sep 4, 2008 at 9:58 AM, Andy Harrison <a=
harrison@gmail.com> wrote:=0A=0A-----BEGIN PGP SIGNED MESSAGE-----=0AHash: =
SHA1=0A=0A=0A=0A=0AOn Tue, Sep 2, 2008 at 12:34 PM, wrote:=0A>=0A> Comple=
menting the previous message.=0A> After some tests, I believed this is a Bu=
g.=0A> When executed with option "-s -" the "sh" shell are executed , and n=
ot the=0A> shell on the /etc/passwd.=0A>=0A> After remove the ".screenrc" I=
execute:=0A>=0A> SunOS cmartins:~> screen -s -=0A> SunOS \u:\w> ps=
=0A> PID TTY TIME CMD=0A> 6859 pts/5 0:00 ps=0A>=
6852 pts/5 0:00 sh=0A> SunOS \u:\w> echo $$=0A> 6852=
=0A>=0A=0A=0A=0AI don't believe it's a bug. If you consult the manpage, it =
says:=0A=0A * If the command begins with a '-' character, the shell will=
=0A * be started as a login-shell.=0A=0A=0ASo you've got the preceding '-'=
character, but no command=0Afollowing it.=0A=0A=0A- --=0AAndy Harrison=0Ap=
ublic key: 0x67518262=0A=0A=0A-----BEGIN PGP SIGNATURE-----=0AVersion: GnuP=
G v1.4.5 (GNU/Linux)=0AComment: http://getfiregpg.org=0A=0AiD8DBQFIv+mkNTm8=
fWdRgmIRAujpAKCYFEouR1Ycvauyn7hqQAvi267A6QCdHN9+=0A/7Tm2UGoqydWqacjH5U1l1U=
=3D=0A=3DyLI6=0A-----END PGP SIGNATURE-----=0A=0A=0A_______________________=
________________________=0Ascreen-users mailing list=0Ascreen-users@gnu.org=
=0Ahttp://lists.gnu.org/mailman/listinfo/screen-users=0A=0A=0A=0A-- =0A-N=
=0AAKA:Tom Scogland=0AI am enough of an artist to draw freely upon my imagi=
nation. Imagination is more important than knowledge. Knowledge is limited.=
Imagination encircles the world.=0A-Albert Einstein=0A=0A=0A=0A Novos=
endere=C3=A7os, o Yahoo! que voc=C3=AA conhece. Crie um email novo com a s=
ua cara @ymail.com ou @rocketmail.com.=0Ahttp://br.new.mail.yahoo.com/addre=
sses
--0-1822990755-1220542433=:64436
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<html><head><style type=3D"text/css"><!-- DIV {margin:0px;} --></style></he=
ad><body><div style=3D"font-family:Courier New,courier,monaco,monospace,san=
s-serif;font-size:10pt">Hummm... thanks! this way works fine!!<br><br>Thank=
s again!<br><div>&nbsp;</div><div style=3D"font-family: Courier New,courier=
,monaco,monospace,sans-serif; font-size: 10pt;"><br><div style=3D"font-fami=
ly: times new roman,new york,times,serif; font-size: 12pt;">----- Mensagem =
original ----<br>De: Tom Scogland &lt;njustn@gmail.com&gt;<br>Para: Andy Ha=
rrison &lt;aharrison@gmail.com&gt;<br>Cc: Screen Users &lt;screen-users@gnu=
.org&gt;<br>Enviadas: Quinta-feira, 4 de Setembro de 2008 12:04:56<br>Assun=
to: Re: Solaris 10 - login shell error<br><br><div dir=3D"ltr">Perhaps 'she=
ll -$SHELL' would be more what you're after?<div><br><div class=3D"gmail_qu=
ote">On Thu, Sep 4, 2008 at 9:58 AM, Andy Harrison <span dir=3D"ltr">&lt;<a=
rel=3D"nofollow" ymailto=3D"mailto:aharrison@gmail.com" target=3D"_blank"
href=3D"mailto:aharrison@gmail.com">aharrison@gmail.com</a>&gt;</span> wro=
te:<br>=0A<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid=
rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">-----BE=
GIN PGP SIGNED MESSAGE-----<br>=0AHash: SHA1<br>=0A<div class=3D"Ih2E3d"><b=
r>=0A<br>=0A<br>=0AOn Tue, Sep 2, 2008 at 12:34 PM, &nbsp; wrote:<br>=0A&gt=
;<br>=0A&gt; Complementing the previous message.<br>=0A&gt; After some test=
s, I believed this is a Bug.<br>=0A&gt; When executed with option "-s -" th=
e "sh" shell are executed , and not the<br>=0A&gt; shell on the /etc/passwd=
.<br>=0A&gt;<br>=0A&gt; After remove the ".screenrc" I execute:<br>=0A&gt;<=
br>=0A&gt; &nbsp; &nbsp; SunOS cmartins:~&gt; screen -s -<br>=0A&gt; &nbsp;=
&nbsp; SunOS \u:\w&gt; ps<br>=0A&gt; &nbsp; &nbsp; &nbsp; &nbsp;PID TTY &n=
bsp; &nbsp; &nbsp; &nbsp; TIME CMD<br>=0A&gt; &nbsp; &nbsp; &nbsp; 6859 pts=
/5 &nbsp; &nbsp; &nbsp; 0:00 ps<br>=0A&gt; &nbsp; &nbsp; &nbsp; 6852 pts/5 =
&nbsp; &nbsp; &nbsp; 0:00 sh<br>=0A&gt; &nbsp; &nbsp; SunOS \u:\w&gt; echo =
$$<br>=0A&gt; &nbsp; &nbsp; 6852<br>=0A&gt;<br>=0A<br>=0A<br>=0A<br>=0A</di=
v>I don't believe it's a bug. If you consult the manpage, it says:<br>=0A<b=
r>=0A &nbsp; * If the command begins with a '-' character, the shell will<b=
r>=0A &nbsp; * be started as a login-shell.<br>=0A<br>=0A<br>=0ASo you've g=
ot the preceding '-' character, but no command<br>=0Afollowing it.<br>=0A<b=
r>=0A<br>=0A- --<br>=0AAndy Harrison<br>=0Apublic key: 0x67518262<br>=0A<br=
>=0A<br>=0A-----BEGIN PGP SIGNATURE-----<br>=0AVersion: GnuPG v1.4.5 (GNU/L=
inux)<br>=0AComment: <a rel=3D"nofollow" target=3D"_blank" href=3D"http://g=
etfiregpg.org">http://getfiregpg.org</a><br>=0A<br>=0AiD8DBQFIv+mkNTm8fWdRg=
mIRAujpAKCYFEouR1Ycvauyn7hqQAvi267A6QCdHN9+<br>=0A/7Tm2UGoqydWqacjH5U1l1U=
=3D<br>=0A=3DyLI6<br>=0A-----END PGP SIGNATURE-----<br>=0A<br>=0A<br>=0A___=
____________________________________________<br>=0Ascreen-users mailing lis=
t<br>=0A<a rel=3D"nofollow" ymailto=3D"mailto:screen-users@gnu.org" target=
=3D"_blank" href=3D"mailto:screen-users@gnu.org">screen-users@gnu.org</a><b=
r>=0A<a rel=3D"nofollow" target=3D"_blank" href=3D"http://lists.gnu.org/mai=
lman/listinfo/screen-users">http://lists.gnu.org/mailman/listinfo/screen-us=
ers</a><br>=0A</blockquote></div><br><br clear=3D"all"><br>-- <br>-N<br>AKA=
:Tom Scogland<br>I am enough of an artist to draw freely upon my imaginatio=
n. Imagination is more important than knowledge. Knowledge is limited. Imag=
ination encircles the world.<br>=0A-Albert Einstein<br>=0A</div></div>=0A</=
div></div></div><br>=0A=0A=0A <hr size=3D1>Novos endere=C3=A7os, o Yah=
oo! que voc=C3=AA conhece. <a href=3D"http://br.rd.yahoo.com/mail/taglines/=
mail/*http://br.new.mail.yahoo.com/addresses">Crie um email novo</a> com a =
sua cara @ymail.com ou @rocketmail.com.</body></html>
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cesarmartins_2004-linux@yahoo.com.br wrote:
>
> Complementing the previous message.
If you write a followup to a previous message, please do so by using the
"Reply" button of your mailer; this keeps the messages together in one
thread.
Also, are you aware that both of your messages were sent twice?
> After some tests, I believed this is a Bug.
> When executed with option "-s -" the "sh" shell are executed , and not
> the shell on the /etc/passwd.
>
> After remove the ".screenrc" I execute:
>
> SunOS cmartins:~> screen -s -
"-" is not the name of the shell, which is what -s (and the "shell"
screenrc command) expects. I'm somewhat surprised it works at all, but
I'm guessing screen just falls back to /bin/sh when the supplied shell
isn't valid (personally, I'd prefer a failure with a message).
If you want a login version of, say, ksh, then supply "ksh -".
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Rich Healey wrote:
> Head just built and ran perfectly on OSX.. I'd been fighting with this
> on and off for sometime, but now I have my beloved Verticle Splits
> without resorting to ugly patches on the 4.0.2 tree.
Glad to hear it! :)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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any support for any "if" branching in screenrc's? i two windows boxes
using a common (network-based) homedir, and i want screen to start two
completely different sets of ssh sessions depending on which box it's
executed on. i suppose i can allias screen to "screen -c
.screenrc.`hostname` or something, but a.) that's clumsy and b.) it
doesn't easily handle any common settings between the two. hmm. can
screenrc's include other files? can it be read from stdin? ("screen -c
-" or "screen -c /dev/stdin" or something?) then i could say "cat
.screenrc .screenrc.`hostname` | screen -c -". or maybe there's some
other way to just do the actual variant part (create various
screens)--execute a shell script or something, and let that handle the
branching. thoughts?
--
Aaron Davies
aaron.davies@gmail.com
_______________________________________________
screen-users mailing list
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http://lists.gnu.org/mailman/listinfo/screen-users
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Date: Fri, 5 Sep 2008 01:37:52 -0400
From: "Tom Scogland" <njustn@gmail.com>
To: "Aaron Davies" <aaron.davies@gmail.com>
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Cc: Screen Users <screen-users@gnu.org>
Subject: Re: branching in screenrc?
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Including is how I do this, in fact the following is from my screenrc.
source ${HOME}/.screenrc-${TERM}
On Fri, Sep 5, 2008 at 1:33 AM, Aaron Davies <aaron.davies@gmail.com> wrote:
> any support for any "if" branching in screenrc's? i two windows boxes
> using a common (network-based) homedir, and i want screen to start two
> completely different sets of ssh sessions depending on which box it's
> executed on. i suppose i can allias screen to "screen -c
> .screenrc.`hostname` or something, but a.) that's clumsy and b.) it
> doesn't easily handle any common settings between the two. hmm. can
> screenrc's include other files? can it be read from stdin? ("screen -c
> -" or "screen -c /dev/stdin" or something?) then i could say "cat
> .screenrc .screenrc.`hostname` | screen -c -". or maybe there's some
> other way to just do the actual variant part (create various
> screens)--execute a shell script or something, and let that handle the
> branching. thoughts?
> --
> Aaron Davies
> aaron.davies@gmail.com
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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<div dir="ltr">Including is how I do this, in fact the following is from my screenrc.<div><br></div><div>source ${HOME}/.screenrc-${TERM}<br><br><div class="gmail_quote">On Fri, Sep 5, 2008 at 1:33 AM, Aaron Davies <span dir="ltr">&lt;<a href="mailto:aaron.davies@gmail.com">aaron.davies@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">any support for any &quot;if&quot; branching in screenrc&#39;s? i two windows boxes<br>
using a common (network-based) homedir, and i want screen to start two<br>
completely different sets of ssh sessions depending on which box it&#39;s<br>
executed on. i suppose i can allias screen to &quot;screen -c<br>
.screenrc.`hostname` or something, but a.) that&#39;s clumsy and b.) it<br>
doesn&#39;t easily handle any common settings between the two. hmm. can<br>
screenrc&#39;s include other files? can it be read from stdin? (&quot;screen -c<br>
-&quot; or &quot;screen -c /dev/stdin&quot; or something?) then i could say &quot;cat<br>
.screenrc .screenrc.`hostname` | screen -c -&quot;. or maybe there&#39;s some<br>
other way to just do the actual variant part (create various<br>
screens)--execute a shell script or something, and let that handle the<br>
branching. thoughts?<br>
--<br>
Aaron Davies<br>
<a href="mailto:aaron.davies@gmail.com">aaron.davies@gmail.com</a><br>
<br>
<br>
_______________________________________________<br>
screen-users mailing list<br>
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<a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
</blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein<br>
</div></div>
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Subject: Recreate windows when reattaching to session?
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Hi all,
Is there a way to recreate windows that were previously closed when
reattaching to a session?
Example: I have vi in 0 and emacs in 1, created from .screenrc like
this:
~~~~
screen -t vi 0 vi
screen -t emacs 1 emacs
~~~~
If I quit vi (:wq) and window 0 closes, then I detach with a C-a d, is
there a way when I reattach using "screen -D -RR" to recreate the
missing vi window?
Ideally the command would be this "screen -D -RR -t vi 0 vi" which
would put vi back in window 0 only if there wasn't already a window 0.
Unfortunately that command only reconnects to the detached session and
does not recreate window 0. I could use ":screen -t vi 0 vi" from
inside the screen session, but this will be for end users and I don't
want them spawning new windows, they have to be locked down to two
only (eg vi, emacs). This also rules out using C-a c.
I'll also attach a shell script is being run from the .profile, it
might give you an idea of where I've gone so far:
~~~~
#!/bin/bash
if screen -ls | grep -q "No Sockets" ; then #check we aren't already
running screen
screen -dm #start in detached mode, allows us to use -p below
fi
case $1 in
vi) screen -D -RR -p 0;;
emacs) screen -D -RR -p 1;;
*) echo "usage: $0 [vi|emacs]"
esac
exit
~~~~
Thanks for any help of suggestions you'd be able to provide. I'm
stumped with this.
- -Dave
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Hi all,
Is there a way to recreate windows that were previously closed when
reattaching to a session?
Example: I have vi in 0 and emacs in 1, created from .screenrc like
this:
~~~~
screen -t vi 0 vi
screen -t emacs 1 emacs
~~~~
If I quit vi (:wq) and window 0 closes, then I detach with a C-a d, is
there a way when I reattach using "screen -D -RR" to recreate the
missing vi window?
Ideally the command would be this "screen -D -RR -t vi 0 vi" which
would put vi back in window 0 only if there wasn't already a window 0.
Unfortunately that command only reconnects to the detached session and
does not recreate window 0. I could use ":screen -t vi 0 vi" from
inside the screen session, but this will be for end users and I don't
want them spawning new windows, they have to be locked down to two
only (eg vi, emacs). This also rules out using C-a c.
I'll also attach a shell script is being run from the .profile, it
might give you an idea of where I've gone so far:
~~~~
#!/bin/bash
if screen -ls | grep -q "No Sockets" ; then #check we aren't already
running screen
screen -dm #start in detached mode, allows us to use -p below
fi
case $1 in
vi) screen -D -RR -p 0;;
emacs) screen -D -RR -p 1;;
*) echo "usage: $0 [vi|emacs]"
esac
exit
~~~~
Thanks for any help of suggestions you'd be able to provide. I'm
stumped with this.
- - -Dave
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From: John Magolske <listmail@b79.net>
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Subject: directly acessing the Linux framebuffer console
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I'm using Screen in a Linux framebuffer console. To view images I'm
using fbi, but it requires direct access to the framebuffer console,
and cannot run within a Screen psuedo tty. So I use openvt in a script
like so:
#!/bin/sh
sudo openvt -sw -- fbi -e --autodown $1
sudo deallocvt
Or for viewing videos:
#!/bin/sh
sudo openvt -sw -- mplayer -really-quiet -vo fbdev -fs $1
sudo deallocvt
openvt seems to require being run as root in order to switch to
a VT from within Screen, so I put this in /etc/sudoers :
username ALL=NOPASSWD: /usr/bin/openvt
This has the effect of running fbi or mplayer as root, which doesn't
seem optimal. Is there a way around running openvt as root?
Alternatively, I can do this manually:
C-A
:detach
% fbi imagefile.jpg && screen -d -r
Is there a way to script this sequence? It's not as smooth as using
openvt in some ways (the detach/re-attach seems to cause some of the
contents in Screen's tty's to 'blink' when coming back to them), but
it could also be handy for something like using ctheme to change the
color theme of the VT Screen is running in.
There's also fim [http://www.autistici.org/dezperado/FIM.html] an
image viewer that does work within Screen. So that's a way around
fbi's limitations. But for other uses (w3m w/images, mplayer, ctheme)
I'd like to better understand how to access the framebuffer console
from within screen.
TIA for any suggestions,
John
--
John Magolske
http://B79.net/contact
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Is there a way to edit the paste buffer inside of screen (without using buffer files) before pasting it to a window?
Thanks
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I'm looking on the net for a method to print the sockname/sessionname in
the hardstatus. I've only found some messages from 2003 that say this
would be nice to have => directed to wishlist.
I was trying the following workaround:
screenrc:
backtick 84 0 0 /home/jtaal/bin/screen_sockname
hardstatus string "%84` ..."
and the following bashscript in screen_sockname
#!/bin/sh
echo $STY
Executing the command inside a screen session works like a charm, but it
doesn't show anything in the hardstatus.
If I echo another environment variable all goes well.
Is the backtick command executed with the original enviroment instead of
the environment a shell inside screen would have?
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Hi,
I=E2=80=99ve tried to compile the code from git with no luck. I was wonder=
ing if anybody knows of where I can find a binary or RPM that would support=
vertical splits on Fedora 9.
also when I get vertical splits working how do I setup screen so it would a=
utomatically open up 3 by 3 regions already split . I hope to use screen to=
monitor persistence testing where each region is monitoring a different pr=
ocess or machine.
thanks in advance
-Mike=0A=0A=0A
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Thread-Topic: Question on compiling screen on Solaris 10
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From: "Yi, William CSC" <WYi@SIKORSKY.COM>
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Hi;
When I compile screen I got this message, do you have any idea what it
is?
gcc -c -I. -I/opt/screen-4.0.3 -g -O2 misc.c
misc.c: In function `xsetenv':
misc.c:619: error: too few arguments to function `setenv'
*** Error code 1
make: Fatal error: Command failed for target `misc.o'
William P. Yi (Bill)
Email: wyi@sikorsky.com / wyi@csc.com
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<P><FONT SIZE=3D2 FACE=3D"Arial">Hi;</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">When I compile screen I got this =
message, do you have any idea what it is?</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">gcc -c -I. =
-I/opt/screen-4.0.3&nbsp;&nbsp;&nbsp; -g -O2 misc.c</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">misc.c: In function `xsetenv':</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">misc.c:619: error: too few arguments =
to function `setenv'</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">*** Error code 1</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">make: Fatal error: Command failed for =
target `misc.o'</FONT>
</P>
<P><B><FONT COLOR=3D"#0000FF" SIZE=3D4 FACE=3D"Times Roman">William P. =
Yi (Bill)</FONT></B>
<BR><I><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Times New Roman">Email: =
wyi@sikorsky.com / wyi@csc.com</FONT></I>
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Date: Sun, 21 Sep 2008 17:09:22 +0100
From: "Thomas Adam" <thomas.adam22@gmail.com>
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Subject: Re: Vertical splits on Fedora 9
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Hello --
2008/9/18 <menxit@yahoo.com>:
> Hi,
> I've tried to compile the code from git with no luck. I was wondering if anybody knows of where I can find a binary or RPM that would support vertical splits on Fedora 9.
Can you perhaps provide more details as to why it's not compiling?
> also when I get vertical splits working how do I setup screen so it would automatically open up 3 by 3 regions already split . I hope to use screen to monitor persistence testing where each region is monitoring a different process or machine.
Again you'll need the GIT version to this. It's possible to do so via
the use of layouts. Example:
layout splitthree
screen -t One //group
split
focus
screen -t Two
split
focus
screen -t Three
layout save splitthree
(That ought to work -- not tried it.) Putting that in your .screenrc
file should do what you ask of it. I am working on documentation for
this.
-- Thomas Adam
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To: "Jaap Taal" <jtaal@eljakim.nl>
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Hello --
2008/9/18 Jaap Taal <jtaal@eljakim.nl>:
> Is the backtick command executed with the original enviroment instead of the
> environment a shell inside screen would have?
Yes. And note that in the GIT version of screen, there's now a "%S"
identifier to do what you want.
-- Thomas Adam
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Yi, William CSC wrote:
> Hi;
>
> When I compile screen I got this message, do you have any idea what it is?
>
> gcc -c -I. -I/opt/screen-4.0.3 -g -O2 misc.c
> misc.c: In function `xsetenv':
> misc.c:619: error: too few arguments to function `setenv'
> *** Error code 1
> make: Fatal error: Command failed for target `misc.o'
Yes; this has been fixed in the current sources, which you should be
able to compile. Follow the instructions at
https://savannah.gnu.org/git/?group=screen (you'll need to have Git
installed).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Kazuo Teramoto wrote:
> On Sun, Sep 21, 2008 at 3:53 PM, Micah Cowan <micah@cowan.name> wrote:
>> I'm not sure what you mean by this. The default for the "screen" command
>> has always been to open the first available number (starting at 0); you
>> can always give it the window number you want, though.
>
> Let me give a example, if I have 3 open windows:
> |0:zsh|1:zsh|2:irssi|
> and call 'screen vim' on terminal 1:zsh I like the window open to the
> left side of 1, and now I have:
> |0:zsh|1:zsh|2:vim|3:irssi|
>
> If you read the feature request posted at
> https://savannah.gnu.org/bugs/?15469 that originated the patch from
> Sadrul to implement relative args to number you see that this what the
> request is about.
It doesn't look to me like that's what it was about. It looks to me like
Sadrul's fix is what it was about. It says things about moving existing
windows via the "number" command; there's nothing on that report
regarding where new "screen" windows are placed.
I have to say that I'd be rather disinclined to add this feature.
However, when scripting support is available (or if you'd like to try
Sadrul's lua patch), such a thing should be implementable by the user.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Italic text with screen inside urxvt and some termcap questions
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Kazuo Teramoto wrote:
> Hello, sometime ago (in 2006) someone asked if is possible to print
> italic text when using screen inside urxvt, but it received no
> replies...
>
> Someone know if it is possible? I tried some things with termcap (but
> to be sincere I don't fully understand the concept of
> termcaps/terminfo) like adding the following line to screenrc:
>
> termcapinfo rxvt* so=:se= ZH=\E[3m:ZR=\E[m
>
> My idea is that i needed to remove the definition of standout and put
> the italic in the place of \E[3m. But that don't works (well i think
> that is not supposed to work, but as I sad i dont fully understand
> what the termcap is all about)... In urxvt, outside of screen, the
> string '\33[3mHello\33[m' prints hello in italic.
>
> In the screen manual 'Standout' have a '(ANSI: Italicized)' what is
> that is supposed to mean?
It means that what Screen uses for standout mode, ANSI (and rxvt) uses
for italics mode. I don't know why this is the case, but the fact that
it is means that making screen support italics would be a PITA.
If we make screen use \033[3m for italics (instead of its current use
for standout), and \033[7m for standout (ANSI's "negative image"), then
all pre-existing termcap/terminfo definitions for screen will be wrong,
and users will have to be especially careful not to use newer versions
of screen with older termcap/terminfo definitions for screen.
Nevertheless, it seems like it might not be a terrible idea to start
migration, or at least support a configuration option for it. I don't
know when such a change might be effected, though.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: sockname in hardstatus
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On 2008-09-18, Jaap Taal wrote:
> I'm looking on the net for a method to print the sockname/sessionname in
> the hardstatus.> I was trying the following workaround:
> [...]
> screenrc:
> backtick 84 0 0 /home/jtaal/bin/screen_sockname
> hardstatus string "%84` ..."
>
> and the following bashscript in screen_sockname
> #!/bin/sh
> echo $STY
Changing your screen_sockname with:
#!/bin/sh
screen -ls|sed '/(Attached)/!d;s/(Attached)//;s/ //'
works (it deletes every line that doesn't have an "(Attached)",
then sustitutes that string with an empty one and removes the tab
(notice that the last pattern is a tab, i.e. s/TAB//, though it's
not really necessary)). I hope there's a better solution, but you
can adapt the previous one.
Regards.
chr
--
SDF Public Access UNIX System - http://sdf.lonestar.org
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Subject: full command shown in aka mode
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Would it be possible to include an option to display the full command
run (rather than just the first word of it)? In other words, instead of:
0 vi
1 bash
2 watch
3 tail
You might see:
0 vi .bashrc
1 bash
2 watch df -h
3 tail -f /var/log/messages
Awhile ago I had a patch that provided this behavior. Is there any
chance of such a patch being accepted into git? If so, are there
preferred names, etc. for this functionality?
Thanks,
-- Erik
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Hi,
I've been using screen for many years now, and find it indispensable. Still,
I know quite some people, who never managed to get a hold of it. The initial
learning curve is too steep for them, I guess...
Some years ago, I tried several Linux-Distros (Debian, SuSe, Fedora) and found
the initial .screenrc-configuration-file quite, umm, minimalistic.
(I don't know if that is still the case? Can anyone confirm?)
It took me a long time to adapt the .screenrc to my needs. In most cases, I
searched the web as well as this mailinglist (+archive) to find out what I needed...
So, my idea was: Why not use the combined knowledge of the people
on this mailinglist to compile a user-friendly, yet powerful initial
.screenrc-configuration and ship it to the individual package-maintainers?
(The screen-wiki already links to some dotfiles which could be used for starters.)
I would be glad to hear your comments on this idea...
Best wishes,
Holger
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From: "Thomas Adam" <thomas.adam22@gmail.com>
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Hello --
2008/9/26 <holger.dinkel@gmail.com>:
> So, my idea was: Why not use the combined knowledge of the people
> on this mailinglist to compile a user-friendly, yet powerful initial
> .screenrc-configuration and ship it to the individual package-maintainers?
> (The screen-wiki already links to some dotfiles which could be used for starters.)
It's a nice idea. See:
http://savannah.gnu.org/bugs/index.php?24387
-- Thomas Adam
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On Sat, 27 Sep 2008, Thomas Adam wrote:
> Hello --
>
> 2008/9/26 <holger.dinkel@gmail.com>:
> > So, my idea was: Why not use the combined knowledge of the people
> > on this mailinglist to compile a user-friendly, yet powerful initial
> > .screenrc-configuration and ship it to the individual package-maintainers?
> > (The screen-wiki already links to some dotfiles which could be used for starters.)
>
> It's a nice idea. See:
>
> http://savannah.gnu.org/bugs/index.php?24387
>
It's a really good idea, also i think that a small example of how to use the hardstatus
line (plus the backtick option) on the .screenrc would be great too.
Regards,
Mauro
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Subject: Help attaching 3 running screens
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Hi all,
I have a little script that takes a list of torrent files in a folder and
opens a new screen with ctorrent for each of those files (max of 3).
I wanted to write another script that would create a new screen, split it in
3 and attach to those running screens. I have not clue where to start of if
that's even possible. Any ideas?
This is my script:
$ cat run_tor
#!/bin/bash
## Last edit: Set the folder for download - 2008-08-31
_tor=0
_port=( 10 11 12 )
_tor2=`ls $HOME/downloads/tor/*.torrent | tail -n 3`
for i in $_tor2 ; do
cd $HOME/downloads/tor
/usr/bin/screen -d -m /usr/bin/ctorrent $i -p ${_port[_tor]}
_tor=$(( _tor + 1 ))
done
Thanks!
Vic.
--
View this message in context: http://www.nabble.com/Help-attaching-3-running-screens-tp19716613p19716613.html
Sent from the Gnu - Screen mailing list archive at Nabble.com.
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From: Ed Wagner <edmwagner@me.com>
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Subject: Screen has odd blank out behaviour
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Hello,
I use Apple OS 10.5.5 Terminal.app ,xterm and Ubuntu Xterm in Gnome.
I'm all for CLI and spend most of my time there either on local or
remote machines which lead me to use gnu screen to save state and
other handy features.
this issue I have is easy to resolve when not using screen and I feel
I have isolated the issue to GNU screen and will aproch there user
list next. but I have been searching and reading up on the man pages
for a while now and feel its time to ask if others have a solution.
This the the famous screen clear on exit.
this is fix on all my systems that needed the fix. ssh or direct login
on all systems works they way I wish.
Enter screen.
No there are a few different methods I have tried:
> infocmp >.terminfo/screen.xterm-color.terminfo
> cd .terminfo
> emacs screen.xterm-color.terminfo
#
# changed line 2
|# Reconstructed via infocmp from file: /Users/ewagner/.terminfo/
78/xterm-color
|xterm-color|nxterm|screen-xterm|screen-xterm-color|generic color xterm,
> tic screen.xterm-color.terminfo
> sceen
this does not work, I've also made sure that LESS is unset and that
TERM is not set in my profiles thus everything works outside of screen.
Now the odd part:
Is seems screen is doing something odd. for if I export LESS=-X the
screen does a full clear and the prompt is at the top.
if I use clear or ctrl-l the screen clears and places the prompt at
the top. but if I emacs or less..... the prompt remains at the same
level on the screen but all the characters are missing... or that is
to say there apear to be 'blank lines' where the content was before
and the prompt is left one line down from before I invoced emacs or
less..
This lead me to think it was the autonuke on|off setting becuase that
seems to mention something about how the screen is cleared indicating
that the contents will be re-written using the background collor. I
can't highlight or copy-past content to verify if this is the case.
So this is where I am and it is worse then my past two configurations
without screen where either the screen would clear on exit or do
nothing leving the emacs/less output visible and providing a prompt.
any help would be apreiciated..
Thanks!
Ed
-- PS --
aditional boring version information:
Terminal.app verison:2.0.1 (240)
apple xterm: X.Org 6.8.99.903(235)
ubuntu xterm -version reports: XTerm(229)
ubuntu screen version: Screen version 4.00.03 (FAU) 23-Oct-06
apple screen version: Screen version 4.00.03 (FAU) 23-Oct-06
redhat ES 4 screen version: Screen version 4.00.02 (FAU) 5-Dec-03
(Red hat mahcines are remote...so no gui terminal emulation thought I
could if need be...
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Subject: Re: Promote Screen? Include .screenrc!
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holger.dinkel@gmail.com wrote:
> Hi,
>
> I've been using screen for many years now, and find it indispensable. Still,
> I know quite some people, who never managed to get a hold of it. The initial
> learning curve is too steep for them, I guess...
I use screen because I have to, not because I want to. What I value most about
screen is the ability to preserve a running session should I lose my connection.
What I value second is the ability to share a session. What I value least is
the multiple windows stuff and all that crap... err, those features.
I found dtach which is 90% of what I need and I created a wrapper (Boleyn) to
try automatically reestablish connections on login but, I ran into some problems
and I haven't had time to revisit it.
If I were a code god (which I most certainly am not), I would give screen a mode
where it does nothing but share and preserve connections and reestablish a
connection automatically if one is available. Although it probably be easier to
start with dtach if I can ever figure out how to differentiate between a "in
use" connection versus a detached connection.
However, if you're trying to push screen adoption, your suggestions are good
ones. You could probably help matters/adoption if you created a "GUI" tool
usign dialogue with an eye to easing the option discovery process.
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Yeah, I don't quite see how a screenrc would help either; mine is
nine lines, but 5 of them are trivial choices, and the others are
arguably workarounds for screen bugs:
vbell off
escape ^\a
# let prompts appear in the titlebar
# any xterm, change xterm, change screen...
termcapinfo xterm* hs:ts=\E]0;:fs=^G:ds=\E]0;^G hs:ts=\E]0;:fs=^G:ds=\E]0;^G
hardstatus on
bind q windows
# let xterm scrollback behave
termcapinfo xterm* te@:ti@
unsetenv DISPLAY
unsetenv WINDOWID
defscrollback 1000
and most of the time I go to a new machine, I only bother with the
escape setting. (I do have a few uses of screen as an "end-user init"
where it runs a bunch of processes, but practically application
development, it isn't useful to beginners either...)
The real issue I've found getting people to use it is that you mostly
need to *show* them; the man page is a fine reference (it's one of the
ones that I reread every couple of years to look for new things to
use) but I'm a unix geek - I suspect a well done *screencast* would be
more useful than a screenrc...
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I've recently started using sticky modifier keys
(eg, touch and release modifier, then hit a key to
get the modified key). KDE can be configured
to do this, and I can use loadkeys on a console,
but I recently was stuck on a console where I
didn't have root and couldn't do loadkeys to
set the modifiers to be sticky.
Is there anyway to get this functionality with
screen?
--
William Pursell
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> Yeah, I don't quite see how a screenrc would help either;
I had the same problem. When I first tried it I couldn't see the point.
Then I had problems with a machine constantly disconnecting me due to
network problems, and out of frustration I tried screen to keep my
session. I worked great.
I started signing it's praises to my colleagues once I learned that I
could have multiple connections to other machines in their own
windown on startup (with the help of ssh).
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David Marsh wrote:
>> Yeah, I don't quite see how a screenrc would help either;
>
> I had the same problem. When I first tried it I couldn't see the point.
>
> Then I had problems with a machine constantly disconnecting me due to
> network problems, and out of frustration I tried screen to keep my
> session. I worked great.
>
> I started signing it's praises to my colleagues once I learned that I
> could have multiple connections to other machines in their own windown
> on startup (with the help of ssh).
Sounds more like praise of screen, rather than an argument for a large
sample screenrc file.
--
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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holger.dinkel@gmail.com wrote:
> Hi,
>
> Some years ago, I tried several Linux-Distros (Debian, SuSe, Fedora) and found
> the initial .screenrc-configuration-file quite, umm, minimalistic.
> (I don't know if that is still the case? Can anyone confirm?)
I think the main problem with this discussion is no one really has a
particularly clear understanding of what it is we're talking about
having. At least, I know I don't. I think it'd be more fruitful to
mention specific deficiencies or improvements that may be made to the
current example screenrc and/or etc/screenrc (from our sources,
obviously, and not any that might be packager-specific). A diff against
the currently-shipped screenrc, or even a wholly new one, with
justifications for why it's an improvement over its predecessor, would
help greatly.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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On 02/10/2008, at 8:55 AM, Micah Cowan wrote:
> David Marsh wrote:
>>> Yeah, I don't quite see how a screenrc would help either;
>>
>> I had the same problem. When I first tried it I couldn't see the
>> point.
>
> Sounds more like praise of screen, rather than an argument for a large
> sample screenrc file.
Oh, indeed it is certainly praise for screen.
Maybe I didn't explain what I meant very well; When I tried screen for
the very first time I really didn't understand how it worked or even
what it did that I couldn't do with a tabbed terminal manager.
A simple .screenrc file that opened two windows with shell in each,
plus a nice simple hardstatus line might have help me to understand
how screen was useful sooner.
Maybe put a very simple example on http://www.gnu.org/software/screen/
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From: "Aaron Davies" <aaron.davies@gmail.com>
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Subject: Re: Promote Screen? Include .screenrc!
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On Thu, Oct 2, 2008 at 4:59 PM, David Marsh <rdmarsh@gmail.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
>
> On 02/10/2008, at 8:55 AM, Micah Cowan wrote:
>
>> David Marsh wrote:
>>>>
>>>> Yeah, I don't quite see how a screenrc would help either;
>>>
>>> I had the same problem. When I first tried it I couldn't see the point.
>>
>> Sounds more like praise of screen, rather than an argument for a large
>> sample screenrc file.
>
> Oh, indeed it is certainly praise for screen.
>
> Maybe I didn't explain what I meant very well; When I tried screen for the
> very first time I really didn't understand how it worked or even what it did
> that I couldn't do with a tabbed terminal manager.
>
> A simple .screenrc file that opened two windows with shell in each, plus a
> nice simple hardstatus line might have help me to understand how screen was
> useful sooner.
i don't remember off the top of my head what the /etc/screenrc and/or
default settings are in the source distro of screen, but i've seen
plenty of installations where not having a ~/.screenrc leads to screen
starting with no status line at all--you can't tell anything's
happened, even once you start creating new windows. the only way to
know you're inside screen would be by the odd things that happen once
you hit ctrl-A.
a default hardstatus/caption showing, at minimum, the list of screens
with the current one highlighted would be a huge help.
--
Aaron Davies
aaron.davies@gmail.com
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Subject: Re: Promote Screen? Include .screenrc!
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holger.dinkel@gmail.com writes:
> Some years ago, I tried several Linux distros and found /etc/screenrc
> quite minimalistic. It took me a long time to adapt the .screenrc to
> my needs.
Screen definitely has a big problem with discoverability. Very often,
I'll be chatting to someone and they'll say "oh wow, screen can do that?
I never knew!" And "that" could be anything from auto-naming windows
with :shelltitle to connecting to talking to serial ttys (replacing
minicom) to entering latin-1 characters using :digraph.
(Incidentally Micah, implementing all the digraphs documented in the RFC
would be a neat Unicode-related enhancement.)
> So, my idea was: Why not use the combined knowledge of the people
> on this mailinglist to compile a user-friendly, yet powerful initial
> .screenrc-configuration and ship it to the individual package-maintainers?
I'm strongly against integrators shipping their favourite customizations
as the default configuration. Let me give an example: a few months ago,
RMS decided that the colour red was too hard to read on his terminal, so
he changed the DEFAULT emacs configuration so that comments have the
same colour as normal text on the terminal. To get the old behaviour
back, I have to add about 30 lines to my .emacs -- whereas RMS could
have just added a single line to *his* emacs to turn that color off.
Summary: fixing unwanted changes to distro-specific on-by-default
features is difficult and annoying. Don't make distro-specific tweaks
unless you have a REALLY good reason.
IMO a better approach would be to have a documentation resource that has
a number of articles that explain how to use Screen features in "real
world" scenarios. For example, rather than just saying "use ^A^M to
turn monitoring on", you'd start with a problem "how do I know when
people are talking in IRC, using irssi?" and then discuss how to
implement it effectively -- which would include not only discussion of
:monitor, but also how to do things like turning off the clock in irssi,
so you don't get "spurious" activity every minute when it changes.
(I started writing a "Screen Hacks" book along these lines, but got
distracted appallingly quickly.)
If you just dump a bunch of .screenrcs somewhere with the (typically
limited) commentary to explain what each part does, all you'll end up
with is the scenario where people just copy-and-paste other people's
.screenrcs wholesale, with no understanding of what they do. This tends
to cause regressions -- for example, someone might accidentally copy my
"sorendition = dd" line when they are trying to get my hardstatus
configuration, and then complain that their hardstatus line doesn't have
colour anymore.
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Ed Wagner <edmwagner@me.com> writes:
> [a long, confusing post]
I'm sorry, Ed, but I just couldn't understand that post.
Please answer the following questions *separately*:
1) what are the steps to reproduce the problem?
2) what happens when you follow the steps in (1)?
3) what do you want/expect to happen when you follow the steps in (1)?
In your previous post you have mixed up the answers with
- your guesses as to what the problem is;
- what references you consulted; and
- your attempts to fix the problem
These data get in the way when we're trying to understand what the
problem *is* (the first three questions). It's like going to your
doctor and saying "I need this leg amputated" (your guess) instead of
"my knee make a funny cracking noise when I bend over" (the problem).
By all means give your guesses, but do that *after* answering the first
three questions.
Here's an example of a good report:
From Terminal.app in OS X, I ssh to a Debian Etch server and run
screen there. In screen if I then run less(1), when I quit less the
screen is cleared -- I just get a shell prompt at the top of the
screen. I want it to go back to showing the shell output from before
I ran less. For example, if I ran "ls -l" before I ran "less", I
expect the ls output to be displayed again when I quit less.
This problem also happens if I connect to the Debian server from an
Ubuntu 8.04 laptop using xterm or gnome-terminal. It also happens if
I run "emacs" instead of "less".
The problem goes away if I just ssh to the server and run less or
emacs straight away (without starting screen), the problem goes away.
The problem still happens if I remove my .screenrc on both OS X and on
the Debian server. I'm starting a new screen session each time, not
using "screen -R" to reconnect to an old one.
I looked at the screen manual and the mailing list archive, but I
couldn't work out how to fix this. I tried putting "autonuke off" in
my .screenrc on the Debian server, but it didn't help.
References: http://www.catb.org/~esr/faqs/smart-questions.html
German translation: http://www.tty1.net/smart-questions_de.html
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I am running Ubuntu Hardy
I use screen mostley locallly.
I have this problem.
When i deatacch a screensession and then reboot its gone.
is there anything i can do to make my computer save the sessions between
reboots.?
/Peter
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Hi folks.
I've been reading on google and in the archives about how folks do cool
things with the hardstatus and "hardware status" line in xterms. I'm
trying to do exactly the opposite...I want screen (when used in a
terminal program that announces itself as "xterm" e.g. real xterm or
putty) to never touch the hardware status line (title bar) of the window.
I tried "hardstatus off", which makes the "C-a w" command and other
informational messages appear in the last line of the terminal in
reverse text (as if i was using a vt100 or some other terminal type that
doesn't have the hardware status capability), however there are still
some actions (creating a new window, switching windows), that muck with
the title bar.
I don't have access to the termcap/terminfos so i can't change those.
I'm looking for a way to do this via command line or via .screenrc.
Is there a config param i missed? Or does anyone have any other ideas?
Thanks.
...alex...
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William Pursell <bill.pursell@gmail.com>
writes:
> I've recently started using sticky modifier keys [...]
> Is there anyway to get this functionality with screen?
I think it's impossible. X11 clients can see keydown and keyup events
for the modifier key(s) and the non-mod key separately. Screen just
sees a single event (a keydownup, essentially) of the entire
chord.
For example if you press Control_L and Alt_L, nothing is
sent to screen until you also press (say) f -- at which point Screen
sees the two chords ^[ ^F.
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On Wed, Oct 01, 2008 at 09:22:58PM +0200, peter holm wrote:
> I am running Ubuntu Hardy
> I use screen mostley locallly.
> I have this problem.
> When i deatacch a screensession and then reboot its gone.
>
> is there anything i can do to make my computer save the sessions between
> reboots.?
No. The actual shell process gets killed on reboot. There would be
nothing for the session data to point to any longer.
Ray
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I generally have long running screen sessions that have certain
windows open, not always the same so not worth setting in .screenrc.
Is it possible for screen to save session? Or at least just save the
window name, number, path and just some basic info that would be able
to use to reopen the same configuration?
Sorry if this is seen as ambushing the thread I thought it was a
relavent enough question to ask in this thread.
On 02/10/2008, Ray Van Dolson <rayvd@bludgeon.org> wrote:
> On Wed, Oct 01, 2008 at 09:22:58PM +0200, peter holm wrote:
>> I am running Ubuntu Hardy
>> I use screen mostley locallly.
>> I have this problem.
>> When i deatacch a screensession and then reboot its gone.
>>
>> is there anything i can do to make my computer save the sessions between
>> reboots.?
>
> No. The actual shell process gets killed on reboot. There would be
> nothing for the session data to point to any longer.
>
> Ray
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
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Subject: Re: config to get screen to never touch the hardware status line
in xterm
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Alex Tang wrote:
> Hi folks.
> I've been reading on google and in the archives about how folks do cool
> things with the hardstatus and "hardware status" line in xterms. I'm
> trying to do exactly the opposite...I want screen (when used in a
> terminal program that announces itself as "xterm" e.g. real xterm or
> putty) to never touch the hardware status line (title bar) of the window.
AIUI, Screen will only ever touch the xterm title bar if it has been
told it's the "hardstatus line" via "termcapinfo" lines that define the
fs and ts features.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Promote Screen? Include .screenrc!
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David Marsh <rdmarsh@gmail.com> writes:
>> Yeah, I don't quite see how a screenrc would help either;
>
> I had the same problem. When I first tried it I couldn't see the point.
>
> Then I had problems with a machine constantly disconnecting me due to
> network problems, and out of frustration I tried screen to keep my
> session. I worked great.
>
> I started signing it's praises to my colleagues once I learned that I
> could have multiple connections to other machines in their own
> windown on startup (with the help of ssh).
My take on that is that it's still not a screenrc that's important,
but getting the user to understand screen-management in the first
place - those features don't make sense until you "get" screen
selection (I have some colleagues who still don't, but are quite happy
to use screen for single-session preservation.) Once you get that,
"oh yeah, you can stuff things you like in .screenrc, just like you do
with your .bashrc or .login" is a *very* small step; it's the features
themselves that need promotion. (Thus my suggestion of screencasts,
as a substitute for the look-over-my-shoulder approach.)
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Subject: Re: Promote Screen? Include .screenrc!
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David Marsh wrote:
> A simple .screenrc file that opened two windows with shell in each, plus
> a nice simple hardstatus line might have help me to understand how
> screen was useful sooner.
Yes, but then it's not a useful default .screenrc, more of a sample of
what you might do. IMO, that makes it a better candidate for the Wiki
than inclusion in the source package.
Really, screen could do with a nice tutorial, in addition to its current
reference-manual documentation.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: Re: Deatached Sessions Dissapair after reboot.
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peter holm <peter.g.holm@gmail.com>
writes:
> I am running Ubuntu Hardy
> I use screen mostley locallly.
> I have this problem.
> When i deatacch a screensession and then reboot its gone.
>
> is there anything i can do to make my computer save the sessions between
> reboots.?
Like all other processes, the screen session's status is stored in
volatile memory. That means when the hardware loses power, the process
state vanishes. Nothing you can do inside screen can stop this.
What you *can* do is investigate the ACPI sleep status sometimes called
"suspend to ram" or "suspend to disk". The former will put your machine
into a low-power mode, but still provide power to the volatile memory.
The latter, which is probably what you want, writes a copy of the
volatile memory to a swap partition, and restores it when you turn the
machine back on. This gives you (some) benefits of an always-on machine
without the continuous power consumption.
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Subject: Re: config to get screen to never touch the hardware status line
in xterm
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Micah Cowan <micah@cowan.name> writes:
> Alex Tang wrote:
>> Hi folks.
>> I've been reading on google and in the archives about how folks do cool
>> things with the hardstatus and "hardware status" line in xterms. I'm
>> trying to do exactly the opposite...I want screen (when used in a
>> terminal program that announces itself as "xterm" e.g. real xterm or
>> putty) to never touch the hardware status line (title bar) of the window.
>
> AIUI, Screen will only ever touch the xterm title bar if it has been
> told it's the "hardstatus line" via "termcapinfo" lines that define the
> fs and ts features.
When I've had the misfortune to use CentOS-based hosts, I noticed they
fucked with the xterm window title by default. This probably means that
either RHEL or the guy who built our SOE put stupid nonstandard things
in /etc/screenrc (or /etc/X11/Xresources/xterm).
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Subject: Re: Deatached Sessions Dissapair after reboot.
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On Thu, Oct 02, 2008 at 03:43:09PM +0100, davidcollins001@gmail.com wrote:
> I generally have long running screen sessions that have certain
> windows open, not always the same so not worth setting in .screenrc.
> Is it possible for screen to save session? Or at least just save the
> window name, number, path and just some basic info that would be able
> to use to reopen the same configuration?
>
> Sorry if this is seen as ambushing the thread I thought it was a
> relavent enough question to ask in this thread.
It might be possible for screen to detect what it "thinks" is the last
command you ran in each window, and write that out to a file. Just off
the top of my head, here are the problems with that:
1. Job control/shell tricks
2. Whether to re-run commands from absolute or relative locations (e.g.
if you are in ~/alpha, run "xyz ./foo", then later resume from ~/beta,
should you do "xyz ./foo" or "xyz ~/alpha/foo".
3. Commands you would not want to repeat (e.g. rm, cvs, svn, dd, tar,
mv, cp, gunzip, yum, apt-get, etc.)
The recurring theme is that commands would very probably go wrong,
potentially catastrophically wrong, and that users would probably not
want a 95% success for a mildly convenient action if 5% of the time
something really horrible happened. For commands that it's (presumably)
always safe to run a .screenrc or script is much more reliable than
this sort of feature.
I imagine it would probably be possible to save a log of what windows
existed with some info, so that if screen crashes you could at least
see what was going on, but that's about it.
-- Erik
P.S. It's certainly true that many of my coworkers are surprised to
see their screen sessions die when the servers get turned over every
year or so. People expect this feature, despite its complexity.
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On Thu, Oct 2, 2008 at 3:22 AM, peter holm <peter.g.holm@gmail.com> wrote:
> I am running Ubuntu Hardy
> I use screen mostley locallly.
> I have this problem.
> When i deatacch a screensession and then reboot its gone.
>
> is there anything i can do to make my computer save the sessions between
> reboots.?
well, there's CryoPID....
--
Aaron Davies
aaron.davies@gmail.com
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Subject: Re: config to get screen to never touch the hardware status line
in xterm
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Hi again folks.
Thanks for the info. I primarily use RHEL and CentOS based systems, so
poking around teh /etc/screenrc shows that they added the hardstatus
stuff specifically.
I am able to get what i want by putting
termcapinfo xterm hs@
in my .screenrc and it works like a charm.
Thanks very much!
...alex...
>Micah Cowan <address@hidden> writes:
>
>>/ Alex Tang wrote:/
>/>> Hi folks./
>/>> I've been reading on google and in the archives about how folks do cool/
>/>> things with the hardstatus and "hardware status" line in xterms. I'm/
>/>> trying to do exactly the opposite...I want screen (when used in a/
>/>> terminal program that announces itself as "xterm" e.g. real xterm or/
>/>> putty) to never touch the hardware status line (title bar) of the window./
>>
>/> AIUI, Screen will only ever touch the xterm title bar if it has been/
>/> told it's the "hardstatus line" via "termcapinfo" lines that define the/
>/> fs and ts features./
>
>When I've had the misfortune to use CentOS-based hosts, I noticed they
>fucked with the xterm window title by default. This probably means that
>either RHEL or the guy who built our SOE put stupid nonstandard things
>in /etc/screenrc (or /etc/X11/Xresources/xterm).
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Subject: Re: Promote Screen? Include .screenrc!
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On Thu, Oct 02, 2008 at 02:12:45PM EDT, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> David Marsh wrote:
> > A simple .screenrc file that opened two windows with shell in each, plus
> > a nice simple hardstatus line might have help me to understand how
> > screen was useful sooner.
>
> Yes, but then it's not a useful default .screenrc, more of a sample of
> what you might do. IMO, that makes it a better candidate for the Wiki
> than inclusion in the source package.
>
> Really, screen could do with a nice tutorial, in addition to its current
> reference-manual documentation.
Has anyone here taken a peek at David Douthitt's
"GNU Screen A Comprehensive Introduction"
???
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer.
> GNU Maintainer: wget, screen, teseq
> http://micah.cowan.name/
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2008/10/4 Chris Jones <cjns1989@optimum.net>:
> Has anyone here taken a peek at David Douthitt's
>
> "GNU Screen A Comprehensive Introduction"
Yes -- it's not that comprehensive, and reads like an annotated
version of the screen users' manual.
-- Thomas Adam
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Subject: Re: Promote Screen? Include .screenrc!
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On Sat, Oct 04, 2008 at 04:37:56PM EDT, Thomas Adam wrote:
> 2008/10/4 Chris Jones <cjns1989@optimum.net>:
> > Has anyone here taken a peek at David Douthitt's
> >
> > "GNU Screen A Comprehensive Introduction"
>
> Yes -- it's not that comprehensive, and reads like an annotated
> version of the screen users' manual.
I guess whether it's worth the money all depends on the quality of the
annotations, then.. :-)
As another poster stated, what's missing to jumpstart new users (in the
few hours/days before they give up) is a document that describes the
different things that you can do with screen and for each of them how
you set it up .. helping them build their .screenrc as they go along and
understanding what they're doing.
I was hoping the book above took this approach but from what you're
saying, this is not not the case.
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Subject: Re: Promote Screen? Include .screenrc!
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Hi,
first of all:
Thanks to all for the positive feedback!
What became clear to me is that indeed it might be a tedious task to create a
full-fledged .screenrc that fits every user's needs. This is just impossible as
the tasks that screen is used for are diverse.
But the most important point of this discussion is the reason that made me start
it: Screen lacks hints for the initial user. Like said, the screen-newbie is
greeted with a minimal welcome message about legal issues, whereas IMHO he
should be told e.g. the most important key commands...
The second most important feature would be a reasonable caption line that
displays the list of screens and highlights the current one (as suggested by
Aaron Davies).
The caption need not be too fancy, like
____________________________________________________________________________________________________
caption always "%{rk}%H %{wk}%n %{gk}%c %{yk}%M%d %{wk}%?%-Lw%?%{bw}%n*%f %t%?(%u)%?%{wk}%?%+Lw%?"
____________________________________________________________________________________________________
but it should present at least the screen titles.
So I propose a minimal configuration like this:
____________________________________________________________________________________________________
caption always "%-Lw%{= W}%50>%n%f* %t%{-}%+Lw%<"
startup_message on
screen -t top 0 top
screen -t bash 1
____________________________________________________________________________________________________
The "top" window is created, so that the user can test the <CTRL>-<A>,<A>
functionality...
Additionally, the startup notification could also include the most important
key-bindings. Such as:
____________________________________________________________________________________________________
Press <CTRL>-<A> <A> to switch to the last used screen window\n\
Press <CTRL>-<A> <C> to create a new screen window\n\
Press <CTRL>-<A> <w> to see a list of screen windows\n\
Press <CTRL>-<A> <?> to see a short help page\n\
\n\
Also see the screen man page for extensive documentation\n\
____________________________________________________________________________________________________
PS: A good screencast would be a very good idea and a helful ressource. Right
now, I don't have the time to do it, but if someone can recommend a good
screenrecorder, I might look into this in a couple of months...
PPS:I once gave a short introductory talk about screen to my colleagues, and
especially the reconnect feature was of interest to them. A couple of days
later, I saw one colleague running several instances of screen on the server so
that she could reconnect to several shell instances running batch jobs (instead
of using ONE screen instance with several windows ;-> )
Best wishes,
Holger Dinkel
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From: peter holm <peter.g.holm@gmail.com>
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ons 2008-10-01 klockan 20:05 +0100 skrev William Pursell:
> I've recently started using sticky modifier keys
> (eg, touch and release modifier, then hit a key to
> get the modified key). KDE can be configured
> to do this, and I can use loadkeys on a console,
> but I recently was stuck on a console where I
> didn't have root and couldn't do loadkeys to
> set the modifiers to be sticky.
>
> Is there anyway to get this functionality with
> screen?
>
May this be a solution to you.?
http://tsdh.wordpress.com/2007/04/12/sticky-keys-save-my-hands-from-rsi/
http://www.oesf.org/forum/index.php?s=1d9fce9ecb853fc3d777d11e63d8ee4c&showtopic=10404
I have just glanced the text, so please don't flame if it not suit your
needs.
/Peter
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holger.dinkel@gmail.com writes:
> The caption need not be too fancy, like
> ____________________________________________________________________________________________________
>
> caption always "%{rk}%H %{wk}%n %{gk}%c %{yk}%M%d %{wk}%?%-Lw%?%{bw}%n*%f %t%?(%u)%?%{wk}%?%+Lw%?"
Here's a thought: maybe the hardstatus could be on by default, but set
to a "quick help" string like nano has. E.g.
hardstatus string '^Ac: new window ^An: next window ^Ad: disconnect'
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> later, I saw one colleague running several instances of screen on the server so
> that she could reconnect to several shell instances running batch jobs (instead
> of using ONE screen instance with several windows ;-> )
Eh, for some applications, multiple windows is wrong - if you're going
to have to "screen -x" multiple connections to them anyway, it's
actually cleaner to be able to manage them with names and "screen
-ls". (This approach is particularly useful with, for example, a
"builder" account that runs autobuilders but different people may need
to check on...)
That said, yes, windows are a more "advanced" feature than just
attach/detach... but that doesn't actually mean they're *necessary*.
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Subject: Re: Customizing hardcopy
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"Jean-Baptiste Aviat" <jbaviat@gmail.com>
writes:
> Hello dears,
>
> I would like to be able to do harcopies in new files, in order to never overwrite any. Files could be named this way :
> - hardcopy_2008-10-10_at_12h59m01
> - hardcopy_2008-10-10_at_12h59m05
> - hardcopy_2008-10-10_at_13h01m37
> - ...
>
> I'm trying to define a new shortcut in .screenrc like :
>
> bind g "screen -X hardcopy ./hardcopy_`date +%Y-%m-%d_at_%Hh%Mm%S`"
Untested, but I think you want
bind g exec sh -c 'screen -X hardcopy hardcopy_`date +%Y-%m-%d_at_%Hh%Mm%S`'
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Hi all,
I'm using screen to keep some applications open over a remote SSH
connection that sometimes is killed. What I would like to do, is to
somehow find out whether I am logged in (attached) or disconnected
from the screen session.
Reason is that I want procmail to send incoming mail to my BlackBerry
if I'm disconnected, but NOT do that when I'm SSH-ing into my Pine
session.
Using ps to see if Pine is active doesn't work of course, because it
always runs, even when screen is detached...
Any suggestions?
Thanks!
Sven
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From: "Aaron Davies" <aaron.davies@gmail.com>
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finally got round to trying this, and i'm having some problems
it's reading the file, and i can see the connections come up, but they
disappear after a second or two
the commands in the box-specific .screenrc file are just ordinary
"screen" commands of the general form "screen -t <title> ssh <host>",
and they all work fine when type/pasted directly into the shell
:source'ing the file has the same effect tho--they come up for a sec,
then go down
ideas?
On Fri, Sep 5, 2008 at 1:37 PM, Tom Scogland <njustn@gmail.com> wrote:
> Including is how I do this, in fact the following is from my screenrc.
> source ${HOME}/.screenrc-${TERM}
>
> On Fri, Sep 5, 2008 at 1:33 AM, Aaron Davies <aaron.davies@gmail.com> wrote:
>>
>> any support for any "if" branching in screenrc's? i two windows boxes
>> using a common (network-based) homedir, and i want screen to start two
>> completely different sets of ssh sessions depending on which box it's
>> executed on. i suppose i can allias screen to "screen -c
>> .screenrc.`hostname` or something, but a.) that's clumsy and b.) it
>> doesn't easily handle any common settings between the two. hmm. can
>> screenrc's include other files? can it be read from stdin? ("screen -c
>> -" or "screen -c /dev/stdin" or something?) then i could say "cat
>> .screenrc .screenrc.`hostname` | screen -c -". or maybe there's some
>> other way to just do the actual variant part (create various
>> screens)--execute a shell script or something, and let that handle the
>> branching. thoughts?
>> --
>> Aaron Davies
>> aaron.davies@gmail.com
>>
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org
>> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
>
> --
> -N
> AKA:Tom Scogland
> I am enough of an artist to draw freely upon my imagination. Imagination is
> more important than knowledge. Knowledge is limited. Imagination encircles
> the world.
> -Albert Einstein
>
--
Aaron Davies
aaron.davies@gmail.com
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Subject: Re: Detect whether attached or detached from screen session?
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"Sven Hazejager"
<sven.hazejager@gmail.com> writes:
> I'm using screen to keep some applications open over a remote SSH
> connection that sometimes is killed. What I would like to do, is to
> somehow find out whether I am logged in (attached) or disconnected
> from the screen session.
>
> Reason is that I want procmail to send incoming mail to my BlackBerry
> if I'm disconnected, but NOT do that when I'm SSH-ing into my Pine
> session.
I don't know how to achieve that, but perhaps there's a different
approach to the problem -- such as always forwarding all mail to an IMAP
server that you can access from both the blackberry and from pine.
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On Tue, 14 Oct 2008, Trent W. Buck wrote:
> "Sven Hazejager"
> <sven.hazejager@gmail.com> writes:
>
>> I'm using screen to keep some applications open over a remote SSH
>> connection that sometimes is killed. What I would like to do, is to
>> somehow find out whether I am logged in (attached) or disconnected
>> from the screen session.
>>
>> Reason is that I want procmail to send incoming mail to my BlackBerry
>> if I'm disconnected, but NOT do that when I'm SSH-ing into my Pine
>> session.
>
> I don't know how to achieve that, but perhaps there's a different
> approach to the problem -- such as always forwarding all mail to an IMAP
> server that you can access from both the blackberry and from pine.
The screen-socket has execute permissions when attached, and none when
detached, like this:
attached:
ls -l /tmp/uscreens/S-peder/4598.irc
prwx------ 1 peder peder 0 Oct 14 00:00 /tmp/uscreens/S-peder/4598.irc
detached:
ls -l /tmp/uscreens/S-peder/4598.irc
prw------- 1 peder peder 0 Oct 14 07:06 /tmp/uscreens/S-peder/4598.irc
Guess you can test for that i procmail by something like:
:0c
*? perl -e 'exit ! grep { (stat $_)[2] & 0100 } </tmp/uscreens/S-peder/*>'
!foobar@example.com
--
Peder Stray
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Date: Tue, 14 Oct 2008 11:41:00 -0400
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Stray's message of "Tue, 14 Oct 2008 07:15:50 +0200 (CEST)")
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Subject: Re: Detect whether attached or detached from screen session?
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Peder Stray <peder+screen@ifi.uio.no> writes:
> On Tue, 14 Oct 2008, Trent W. Buck wrote:
>
>> "Sven Hazejager"
>> <sven.hazejager@gmail.com> writes:
>>
>>> I'm using screen to keep some applications open over a remote SSH
>>> connection that sometimes is killed. What I would like to do, is to
>>> somehow find out whether I am logged in (attached) or disconnected
>>> from the screen session.
>>>
>>> Reason is that I want procmail to send incoming mail to my BlackBerry
>>> if I'm disconnected, but NOT do that when I'm SSH-ing into my Pine
>>> session.
>>
>> I don't know how to achieve that, but perhaps there's a different
>> approach to the problem -- such as always forwarding all mail to an
>> IMAP server that you can access from both the blackberry and from
>> pine.
>
> The screen-socket has execute permissions when attached, and none when
> detached, like this:
>
> attached:
>
> ls -l /tmp/uscreens/S-peder/4598.irc
> prwx------ 1 peder peder 0 Oct 14 00:00 /tmp/uscreens/S-peder/4598.irc
>
> detached:
> ls -l /tmp/uscreens/S-peder/4598.irc
> prw------- 1 peder peder 0 Oct 14 07:06 /tmp/uscreens/S-peder/4598.irc
>
> Guess you can test for that i procmail by something like:
>
> :0c
> *? perl -e 'exit ! grep { (stat $_)[2] & 0100 } </tmp/uscreens/S-peder/*>'
> !foobar@example.com
Parsing "screen -ls" output (for "Attached" or not) might be less
sensitive to implementation details, but that's a pretty clever test...
I'm not familiar with procmail, but it might be cleaner to use
! test -x /tmp/uscreens/S-peder/*
(to avoid starting perl on every message - I think both of these
assume there's only one socket that matches the rule, though it's
pretty easy to change if not...)
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Subject: Re: Detect whether attached or detached from screen session?
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On Tue, 14 Oct 2008, Mark Eichin wrote:
> Peder Stray <peder+screen@ifi.uio.no> writes:
>
>> On Tue, 14 Oct 2008, Trent W. Buck wrote:
>>
>>> "Sven Hazejager"
>>> <sven.hazejager@gmail.com> writes:
>>>
>>>> I'm using screen to keep some applications open over a remote SSH
>>>> connection that sometimes is killed. What I would like to do, is to
>>>> somehow find out whether I am logged in (attached) or disconnected
>>>> from the screen session.
>>>>
>>>> Reason is that I want procmail to send incoming mail to my BlackBerry
>>>> if I'm disconnected, but NOT do that when I'm SSH-ing into my Pine
>>>> session.
>>>
>>> I don't know how to achieve that, but perhaps there's a different
>>> approach to the problem -- such as always forwarding all mail to an
>>> IMAP server that you can access from both the blackberry and from
>>> pine.
>>
>> The screen-socket has execute permissions when attached, and none when
>> detached, like this:
>>
>> attached:
>>
>> ls -l /tmp/uscreens/S-peder/4598.irc
>> prwx------ 1 peder peder 0 Oct 14 00:00 /tmp/uscreens/S-peder/4598.irc
>>
>> detached:
>> ls -l /tmp/uscreens/S-peder/4598.irc
>> prw------- 1 peder peder 0 Oct 14 07:06 /tmp/uscreens/S-peder/4598.irc
>>
>> Guess you can test for that i procmail by something like:
>>
>> :0c
>> *? perl -e 'exit ! grep { (stat $_)[2] & 0100 } </tmp/uscreens/S-peder/*>'
>> !foobar@example.com
>
> Parsing "screen -ls" output (for "Attached" or not) might be less
> sensitive to implementation details, but that's a pretty clever test...
>
> I'm not familiar with procmail, but it might be cleaner to use
>
> ! test -x /tmp/uscreens/S-peder/*
>
> (to avoid starting perl on every message - I think both of these assume
> there's only one socket that matches the rule, though it's pretty easy
> to change if not...)
True, perl is bigger than test, but i guess you mailserver should be real
slow for you to actually notice :) The perl test actually checks for any
attaced screen, so it should work for cases where there is more than one
socket in the dir. Using the test-line as above would break violently in
that case since it expect only one argument. Parsing the output from
screen -ls would of course be even more expensive that either perl or
test.
Of course, all of this expects that screens tmp-dir is available on the
mailserver, which it may not be. In that case, it may be easier to make a
wrapper for screen that touches a statusfile before starting screen and
maybe doing the perl-test after and remove the file if no screens are
attached (so you actually can attached more than once to the screen)
--
Peder Stray
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Date: Wed, 15 Oct 2008 10:25:58 +0200
From: "Sven Hazejager" <sven.hazejager@gmail.com>
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Subject: Re: Detect whether attached or detached from screen session?
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> I'm not familiar with procmail, but it might be cleaner to use
>
> ! test -x /tmp/uscreens/S-peder/*
Thanks to all for the great suggestions! For the record, here's the
full procmail recipe that I'm now using:
:0c
* ? test ! -x /tmp/screens/S-sven/*
!sven@blackberry.mail
It's working great, cheers!
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"Tony Bernard" <J.A.Bernard@uel.ac.uk>
writes:
> I am a technician working for a University and have developed a VB6
> program which controls a projector on a weekly basis. It takes room
> booking information and activates the device accordingly via a pc. My
> current problem is that I wish to log out and leave the program
> running in the back ground, irrespective of who is logged on to the
> controlling computer. Having done some research on the internet I cam
> across info on GNU Screen and thought this may be the answer to my
> problems - will you please confirm this.
What operating system are you using?
If your utility talks to stdio or a tty, sure. But I suspect that your
"VB6" means "I'm on Windows, and it's a GUI". In which case it may
work, but I'm not interested in helping.
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Hey guys.
I am trying to get this working:
i open op a new terminal, which the opens my shell (zsh). I want the zsh to
check if it is already inside of a screen session, and if it is not, to
connect to one, and open a new shell in there.
essentially i would like i to do a screen -x, C-a c. I check if i am inside
a shell with the STY variable, but i have not found a good way to connect
while creating a new shell
Thanks,
Nils
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Hey guys.<br>I am trying to get this working:<br>i open op a new terminal, which the opens my shell (zsh). I want the zsh to check if it is already inside of a screen session, and if it is not, to connect to one, and open a new shell in there.<br>
essentially i would like i to do a screen -x, C-a c. I check if i am inside a shell with the STY variable, but i have not found a good way to connect while creating a new shell<br><br>Thanks,<br>Nils<br>
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Subject: Re: auto connect to screen and open a new shell?
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Nils <nils.schlupp@gmail.com> writes:
> i open op a new terminal, which the opens my shell (zsh). I want the
> zsh to check if it is already inside of a screen session, and if it is
> not, to connect to one, and open a new shell in there.
I have almost that for sh:
### ~/.profile: sourced by bourne-compatible login shells.
### If ~/.bash_profile exists, this will NOT be read by bash!
### SUS bookmark: http://www.opengroup.org/onlinepubs/009695399/
# [unrelated code elided.]
## The naive "chsh -s /usr/bin/screen" breaks scp (and other things).
## Have sh start screen automatically "when appropriate". That is,
## 1) not in a screen window (STY);
## 2) stdin is a tty;
## 3) screen is installed; and
## 4) terminal is capable of displaying screen.
## Replace "$STY" with "$STY$SSH_CLIENT$SSH_ORIGINAL_COMMAND" to avoid
## nesting screens when sshing (untested).
test -z "$STY" -a -t 0 &&
{ type screen && tput clear && tput cup && ! tput hc && ! tput os
} 2>/dev/null >&2 && # ignore boring, expected error messages
{
## Set the window title to the host name.
## Note that using echo -e \e for ^[ is not portable.
type uname >/dev/null 2>&1 &&
test -n "${HOSTNAME:=`uname -n`}" &&
case "$TERM" in
screen*) printf %bk%s%b%b \\033 "${HOSTNAME%%.*}" \\033 \\0134;;
esac
## If new session, start agents.
screen -ls | grep -i 'No Sockets found' >/dev/null 2>&1 &&
eval "$(twb-agents)"
## Start screen.
exec screen -DRR
}
## If execution reaches this point, screen isn't the login shell. In
## that case, if this is a bash shell, it's a good idea to do the
## bashisms in .bashrc.
test -n "$BASH" &&
test -f ~/.bashrc &&
. ~/.bashrc
> essentially i would like i to do a screen -x, C-a c. I check if i am
> inside a shell with the STY variable, but i have not found a good way
> to connect while creating a new shell
I'm not sure if you can do exactly that. I suppose it depends if you're
starting xterm from within the screen session, or from some other X
client. When STY is set you can just do "screen foo" and it'll pop up a
new window running foo inside the screen session. Otherwise you might
be able to do something like "screen -X screen && screen -xRR" to first
start a new window, *then* connect to the session.
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Subject: Screen and 256 Colors, again :)
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Hello=2C
I'm trying to get screen working properly with 256 colors (mostly so I can =
utilize my favorite VIM colorschemes)=2C and so far I've done this successf=
ully except that I've lost the ability to display bright/bold colors on the=
screen.
I've configured my screenrc like this:
attrcolor b ".I"
termcapinfo xterm 'Co#256:AB=3D\E[48=3B5=3B%p1%dm:AF=3D\E[38=3B5=3B%p1%dm'
defbce "on"
An example of my problem: When I do 'ls' outside of screen=2C it would prin=
t each directory in a bright blue color. I ran 'script' and then ls=2C and =
here is an example of how it would output a directory called "etc":
^[[01=3B34metc^[[00m
Inside of screen=2C that same directory would be output like this:
^[[1m^[[38=3B5=3B4m^[[94metc^[[0m
How do I fix that? I notice if I screen did not print the leading ^[[1m (i.=
e. just ^[[38=3B5=3B4m^[[94metc^[[0m) then highlighting would work ok.
I'm using the GNU screen supplied with ubuntu hardy heron 8.10 on a 32 bit =
computer.
Thanks!
Samer=
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Subject: Re: Screen and 256 Colors, again :)
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Samer Atiani <s_atiany@hotmail.com> writes:
> I'm using the GNU screen supplied with ubuntu hardy heron 8.10 on a 32
> bit computer.
Ubuntu 8.04 has the codename Hardy. Ubuntu 8.10 has the codename
Intrepid.
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Subject: Re: Screen and 256 Colors, again :)
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On Wed, Oct 22, 2008 at 08:08:09PM -0400, Samer Atiani wrote:
> An example of my problem: When I do 'ls' outside of screen, it would print each directory in a bright blue color. I ran 'script' and then ls, and here is an example of how it would output a directory called "etc":
>
> ^[[01;34metc^[[00m
>
> Inside of screen, that same directory would be output like this:
>
> ^[[1m^[[38;5;4m^[[94metc^[[0m
You forgot to specify what terminal emulator (or terminal) you are
using. From my xterm, those two sequences display identically.
As I understand it, the "^[[1m" part should turn bold on until it is
turned off later by "^[[0m". Your terminal emulator may not correctly
be combining the various state-changes that the three initial escape
sequences specify.
I tested this from bash via:
printf "\033[01;34mfoo\n\033[00m"
printf "\033[1m\033[38;5;4m\033[94mfoo\n\033[0m"
It worked correctly inside of screen (attached to xterm). Screen's TERM
is 'screen-bce', and xterm's TERM is 'xterm'.
-- Erik
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Subject: Very bad/slow redraw with vertical split.
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I'm playing around with vertical split. I'm using Screen version
4.00.03jw4 (FAU) 2-May-06 on Debian.
When I have vertical split on, less is slow. *Really* slow. So is
more. vim is OK. When I say "slow", I mean that when I say "less
file", it takes ~20 seconds for it to put the first screenful of
data up.
Any idea what's up?
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
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Subject: Re: Very bad/slow redraw with vertical split.
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Hello --
2008/10/24 Robin Lee Powell <rlpowell@digitalkingdom.org>:
>
> I'm playing around with vertical split. I'm using Screen version
> 4.00.03jw4 (FAU) 2-May-06 on Debian.
>
> When I have vertical split on, less is slow. *Really* slow. So is
> more. vim is OK. When I say "slow", I mean that when I say "less
> file", it takes ~20 seconds for it to put the first screenful of
> data up.
>
> Any idea what's up?
It's a known caveat of vertical splits in screen. Screen has to
continually redraw the region and so that slows things down.
-- Thomas Adam
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Subject: Re: Very bad/slow redraw with vertical split.
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On Fri, Oct 24, 2008 at 02:26:30PM +0100, Thomas Adam wrote:
> Hello --
>
> 2008/10/24 Robin Lee Powell <rlpowell@digitalkingdom.org>:
> >
> > I'm playing around with vertical split. I'm using Screen
> > version 4.00.03jw4 (FAU) 2-May-06 on Debian.
> >
> > When I have vertical split on, less is slow. *Really* slow. So
> > is more. vim is OK. When I say "slow", I mean that when I say
> > "less file", it takes ~20 seconds for it to put the first
> > screenful of data up.
> >
> > Any idea what's up?
>
> It's a known caveat of vertical splits in screen. Screen has to
> continually redraw the region and so that slows things down.
I had a giant post written about how vertical splits in emacs and
vim are quite fast, and how running vim under a vertical split in
screen is also snappy, as opposed to running less, so there *must*
be a problem somewhere...
And then I realized that when you page down in vim, it redraws its
display area once. When you page down in less, it redraws line by
line.
-_-
Holding down j in vim to make it redraw line by line makes
everything just as slow as less.
So.
Can anyone reccomend a less (ha!) stupid pager? more does the same
thing, and I can't view man pages like this.
less -c mostly does the trick... Except that the initial screen
clear to put the cursor at the top line is done the slow way, and
hence takes ~30 seconds. "clear ; less -c [file]" works, but I'd
love a better suggestion.
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
_______________________________________________
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Date: Fri, 24 Oct 2008 15:26:14 -0400
From: "Tom Scogland" <njustn@gmail.com>
To: "Robin Lee Powell" <rlpowell@digitalkingdom.org>
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Subject: Re: Very bad/slow redraw with vertical split.
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Actually I use vim for that these days. I have an alias that starts vim and
runs ":Man <arguments>" whenever I run man. That means it works nice and
fast, and I get nicely highlighted man pages. As to a less stupid dedicated
pager, there's always most, which also does syntax highlighting though the
key commands don't quite work for me. It might do the redraw a little
better, but I'm not sure.
On Fri, Oct 24, 2008 at 2:34 PM, Robin Lee Powell <
rlpowell@digitalkingdom.org> wrote:
> On Fri, Oct 24, 2008 at 02:26:30PM +0100, Thomas Adam wrote:
> > Hello --
> >
> > 2008/10/24 Robin Lee Powell <rlpowell@digitalkingdom.org>:
> > >
> > > I'm playing around with vertical split. I'm using Screen
> > > version 4.00.03jw4 (FAU) 2-May-06 on Debian.
> > >
> > > When I have vertical split on, less is slow. *Really* slow. So
> > > is more. vim is OK. When I say "slow", I mean that when I say
> > > "less file", it takes ~20 seconds for it to put the first
> > > screenful of data up.
> > >
> > > Any idea what's up?
> >
> > It's a known caveat of vertical splits in screen. Screen has to
> > continually redraw the region and so that slows things down.
>
> I had a giant post written about how vertical splits in emacs and
> vim are quite fast, and how running vim under a vertical split in
> screen is also snappy, as opposed to running less, so there *must*
> be a problem somewhere...
>
> And then I realized that when you page down in vim, it redraws its
> display area once. When you page down in less, it redraws line by
> line.
>
> -_-
>
> Holding down j in vim to make it redraw line by line makes
> everything just as slow as less.
>
> So.
>
> Can anyone reccomend a less (ha!) stupid pager? more does the same
> thing, and I can't view man pages like this.
>
> less -c mostly does the trick... Except that the initial screen
> clear to put the cursor at the top line is done the slow way, and
> hence takes ~30 seconds. "clear ; less -c [file]" works, but I'd
> love a better suggestion.
>
> -Robin
>
> --
> They say: "The first AIs will be built by the military as weapons."
> And I'm thinking: "Does it even occur to you to try for something
> other than the default outcome?" -- http://shorl.com/tydruhedufogre
> http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
--
-N
AKA:Tom Scogland
I am enough of an artist to draw freely upon my imagination. Imagination is
more important than knowledge. Knowledge is limited. Imagination encircles
the world.
-Albert Einstein
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Actually I use vim for that these days. &nbsp;I have an alias that starts vim and runs &quot;:Man &lt;arguments&gt;&quot; &nbsp;whenever I run man. &nbsp;That means it works nice and fast, and I get nicely highlighted man pages. &nbsp;As to a less stupid dedicated pager, there&#39;s always most, which also does syntax highlighting though the key commands don&#39;t quite work for me. &nbsp;It might do the redraw a little better, but I&#39;m not sure.<br>
<br><div class="gmail_quote">On Fri, Oct 24, 2008 at 2:34 PM, Robin Lee Powell <span dir="ltr">&lt;<a href="mailto:rlpowell@digitalkingdom.org">rlpowell@digitalkingdom.org</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="Ih2E3d">On Fri, Oct 24, 2008 at 02:26:30PM +0100, Thomas Adam wrote:<br>
&gt; Hello --<br>
&gt;<br>
&gt; 2008/10/24 Robin Lee Powell &lt;<a href="mailto:rlpowell@digitalkingdom.org">rlpowell@digitalkingdom.org</a>&gt;:<br>
&gt; &gt;<br>
&gt; &gt; I&#39;m playing around with vertical split. &nbsp;I&#39;m using Screen<br>
&gt; &gt; version 4.00.03jw4 (FAU) 2-May-06 on Debian.<br>
&gt; &gt;<br>
&gt; &gt; When I have vertical split on, less is slow. &nbsp;*Really* slow. &nbsp;So<br>
&gt; &gt; is more. &nbsp;vim is OK. &nbsp;When I say &quot;slow&quot;, I mean that when I say<br>
&gt; &gt; &quot;less file&quot;, it takes ~20 seconds for it to put the first<br>
&gt; &gt; screenful of data up.<br>
&gt; &gt;<br>
&gt; &gt; Any idea what&#39;s up?<br>
&gt;<br>
&gt; It&#39;s a known caveat of vertical splits in screen. &nbsp;Screen has to<br>
&gt; continually redraw the region and so that slows things down.<br>
<br>
</div>I had a giant post written about how vertical splits in emacs and<br>
vim are quite fast, and how running vim under a vertical split in<br>
screen is also snappy, as opposed to running less, so there *must*<br>
be a problem somewhere...<br>
<br>
And then I realized that when you page down in vim, it redraws its<br>
display area once. &nbsp;When you page down in less, it redraws line by<br>
line.<br>
<br>
-_-<br>
<br>
Holding down j in vim to make it redraw line by line makes<br>
everything just as slow as less.<br>
<br>
So.<br>
<br>
Can anyone reccomend a less (ha!) stupid pager? &nbsp;more does the same<br>
thing, and I can&#39;t view man pages like this.<br>
<br>
less -c mostly does the trick... &nbsp;Except that the initial screen<br>
clear to put the cursor at the top line is done the slow way, and<br>
hence takes ~30 seconds. &nbsp;&quot;clear ; less -c [file]&quot; works, but I&#39;d<br>
love a better suggestion.<br>
<div class="Ih2E3d"><br>
-Robin<br>
<br>
--<br>
They say: &nbsp;&quot;The first AIs will be built by the military as weapons.&quot;<br>
And I&#39;m thinking: &nbsp;&quot;Does it even occur to you to try for something<br>
other than the default outcome?&quot; -- <a href="http://shorl.com/tydruhedufogre" target="_blank">http://shorl.com/tydruhedufogre</a><br>
<a href="http://www.digitalkingdom.org/~rlpowell/" target="_blank">http://www.digitalkingdom.org/~rlpowell/</a> *** <a href="http://www.lojban.org/" target="_blank">http://www.lojban.org/</a><br>
<br>
<br>
_______________________________________________<br>
</div><div><div></div><div class="Wj3C7c">screen-users mailing list<br>
<a href="mailto:screen-users@gnu.org">screen-users@gnu.org</a><br>
<a href="http://lists.gnu.org/mailman/listinfo/screen-users" target="_blank">http://lists.gnu.org/mailman/listinfo/screen-users</a><br>
</div></div></blockquote></div><br><br clear="all"><br>-- <br>-N<br>AKA:Tom Scogland<br>I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.<br>
-Albert Einstein<br>
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From: Robin Lee Powell <rlpowell@digitalkingdom.org>
To: Tom Scogland <njustn@gmail.com>
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Subject: Re: Very bad/slow redraw with vertical split.
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Yes, most does the right thing. Thanks!
"view" (which is just read-only vim) does as well.
-Robin
On Fri, Oct 24, 2008 at 03:26:14PM -0400, Tom Scogland wrote:
> Actually I use vim for that these days. I have an alias that
> starts vim and runs ":Man <arguments>" whenever I run man. That
> means it works nice and fast, and I get nicely highlighted man
> pages. As to a less stupid dedicated pager, there's always most,
> which also does syntax highlighting though the key commands don't
> quite work for me. It might do the redraw a little better, but
> I'm not sure.
>
> On Fri, Oct 24, 2008 at 2:34 PM, Robin Lee Powell <
> rlpowell@digitalkingdom.org> wrote:
>
> > On Fri, Oct 24, 2008 at 02:26:30PM +0100, Thomas Adam wrote:
> > > Hello --
> > >
> > > 2008/10/24 Robin Lee Powell <rlpowell@digitalkingdom.org>:
> > > >
> > > > I'm playing around with vertical split. I'm using Screen
> > > > version 4.00.03jw4 (FAU) 2-May-06 on Debian.
> > > >
> > > > When I have vertical split on, less is slow. *Really* slow. So
> > > > is more. vim is OK. When I say "slow", I mean that when I say
> > > > "less file", it takes ~20 seconds for it to put the first
> > > > screenful of data up.
> > > >
> > > > Any idea what's up?
> > >
> > > It's a known caveat of vertical splits in screen. Screen has to
> > > continually redraw the region and so that slows things down.
> >
> > I had a giant post written about how vertical splits in emacs and
> > vim are quite fast, and how running vim under a vertical split in
> > screen is also snappy, as opposed to running less, so there *must*
> > be a problem somewhere...
> >
> > And then I realized that when you page down in vim, it redraws its
> > display area once. When you page down in less, it redraws line by
> > line.
> >
> > -_-
> >
> > Holding down j in vim to make it redraw line by line makes
> > everything just as slow as less.
> >
> > So.
> >
> > Can anyone reccomend a less (ha!) stupid pager? more does the same
> > thing, and I can't view man pages like this.
> >
> > less -c mostly does the trick... Except that the initial screen
> > clear to put the cursor at the top line is done the slow way, and
> > hence takes ~30 seconds. "clear ; less -c [file]" works, but I'd
> > love a better suggestion.
> >
> > -Robin
> >
> > --
> > They say: "The first AIs will be built by the military as weapons."
> > And I'm thinking: "Does it even occur to you to try for something
> > other than the default outcome?" -- http://shorl.com/tydruhedufogre
> > http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
> >
> >
> > _______________________________________________
> > screen-users mailing list
> > screen-users@gnu.org
> > http://lists.gnu.org/mailman/listinfo/screen-users
> >
>
>
>
> --
> -N
> AKA:Tom Scogland
> I am enough of an artist to draw freely upon my imagination. Imagination is
> more important than knowledge. Knowledge is limited. Imagination encircles
> the world.
> -Albert Einstein
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
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Robin Lee Powell
<rlpowell@digitalkingdom.org> writes:
> On Fri, Oct 24, 2008 at 02:26:30PM +0100, Thomas Adam wrote:
> And then I realized that when you page down in vim, it redraws its
> display area once. When you page down in less, it redraws line by
> line.
Please report this bug to the less maintainer.
> Can anyone reccomend a less (ha!) stupid pager? more does the same
> thing, and I can't view man pages like this.
>
> less -c mostly does the trick... Except that the initial screen
> clear to put the cursor at the top line is done the slow way, and
> hence takes ~30 seconds. "clear ; less -c [file]" works, but I'd
> love a better suggestion.
Does this work? It seems faster to me, but I can't get a big enough
$COLUMNS on my 7" screen to get enough slowdown to see it disappear.
sudo aptitude install w3m
sudo update-alternatives --set pager /usr/bin/w3m
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Subject: Re: Very bad/slow redraw with vertical split.
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"Tom Scogland" <njustn@gmail.com> writes:
> Actually I use vim for that these days. I have an alias that starts
> vim and runs ":Man <arguments>" whenever I run man.
For Emacs' M-x shell, I have this in .bashrc:
if test -z "$EMACS$INSIDE_EMACS"
then
: [...]
else
PS1='$ ' # be brief in M-x shell
export PAGER=cat # fuck you, git-log!
if which man &>/dev/null
then man () { twb-emacsclient -e "(man \"$1\" t)"; }
else man () { twb-emacsclient -e "(woman \"$1\" t)"; }
fi
info () { twb-emacsclient -e "(info \"${2+(}$1${2+)$2}\")"; }
fi
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I'm having some difficult in getting screen to do what I'm looking for.
What I want to do is to setup a screen config which will launch two
windows, in the top window it would be the output from 'svn commit' and
the bottom would be the output from 'svn diff | vim -R -'. I've got
most of it working but the problem I'm running into is that when the
'svn commit' is complete I want it to automatically 'quit' the screen
session.
Here's the screenrc file I have setup for it:
---------------------------------------------
split
screen bash -c "svn commit || bash"
eval "resize 10"
focus
screen
exec ... /bin/bash -c "sudo svn diff | vim -R -"
focus
---------------------------------------------
I've tried numerous ways of getting the 'quit' to work automatically but
have been unable to find a way to do it...
1) Is there any way to get 'quit' to work from the bash command line?
2) Is there any way to 'stuff' a keyboard command after the 'svn commit'
ends? I could then bind a key to quit and do it that way.
Thanks
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On Wed, Oct 29, 2008 at 10:56:52PM -0500, Clint Priest wrote:
> 1) Is there any way to get 'quit' to work from the bash command
> line?
Have it kill the parent process, which should be the screen session.
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
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Robin Lee Powell wrote:
> On Wed, Oct 29, 2008 at 10:56:52PM -0500, Clint Priest wrote:
>> 1) Is there any way to get 'quit' to work from the bash command
>> line?
>
> Have it kill the parent process, which should be the screen session.
'screen -X quit' should also do the trick.
- --
Micah J. Cowan
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That did it, thanks!<br>
<br>
Micah Cowan wrote:
<blockquote cite="mid:49094736.7060909@cowan.name" type="cite">
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Robin Lee Powell wrote:
</pre>
<blockquote type="cite">
<pre wrap="">On Wed, Oct 29, 2008 at 10:56:52PM -0500, Clint Priest wrote:
</pre>
<blockquote type="cite">
<pre wrap="">1) Is there any way to get 'quit' to work from the bash command
line?
</pre>
</blockquote>
<pre wrap="">Have it kill the parent process, which should be the screen session.
</pre>
</blockquote>
<pre wrap=""><!---->
'screen -X quit' should also do the trick.
- --
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Hello,
I've seen this on screenshots more than once by now. Is there a way to
set a hardstatus line consisting of multiple lines or is using a
hardstatus line plus caption simultaneously the only way to have more
than one line (i.e. two lines)?
Thomas
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Hi,
i have a confusing problem. I have a debian testing system. I use urxvt
on my desktop, then ssh to the server with irssi running in screen. I
also use the sux.theme from the irssi.org page. Now i found out, that in
the bottom line, i have a display disfunction. In the line with "time +
nickname + channelname + Act:", there are ANSI Chars. I have
Questionmarks, what is HTML-Code &#x81; in this ANSI Table:
http://www.torsten-horn.de/techdocs/ascii.htm
But if you look at the sux.theme screenshot on the irssi.org page, they
have squares. So i tried to run irssi in urxvt, there i have no
problems, i can see the squares. Furthermore i checked serveral things.
Both systems, desktop and server, are fully UTF-8, also screen and irssi
itself are set to use UTF-8. Locales are also UTF-8. So i tried to
replave $TERM=screen with $TERM=rxvt-unicode. Nothign changed.
So my guess is, that there is a issue with screen and the display of
ANSI Chars. Do you have any hint for me?
I also made 2 screenshots that i uploaded here:
1. Irssi in screen:
http://web10.syscp.nutime.de/stuff/2.jpg
2. Irssi only in urxvt:
http://web10.syscp.nutime.de/stuff/1.jpg
Thx
Andi
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Andreas Herz wrote:
> Hi,
>
> i have a confusing problem. I have a debian testing system. I use urxvt
> on my desktop, then ssh to the server with irssi running in screen. I
> also use the sux.theme from the irssi.org page. Now i found out, that in
> the bottom line, i have a display disfunction. In the line with "time +
> nickname + channelname + Act:", there are ANSI Chars. I have
> Questionmarks, what is HTML-Code &#x81; in this ANSI Table:
> http://www.torsten-horn.de/techdocs/ascii.htm
&#x81 is not a graphic character, either questionmark or box. It is a
character in the C1 control character set that has _no_ assigned
meaning. Whether it gets displayed at all, and if displayed, how, are
all undefined.
When I run irssi with the sux theme, it's sending 0xB7, which is not a
legal UTF-8 character, and not 0x81 (which also isn't, anyway). 0xB7 in
the latin1 encoding is "middle dot" (probably the "square" you want);
but since you're running in UTF-8 it's a nonsensical byte value.
In gnome-terminal, either inside or outside of screen, 0xB7 is rendered
as a question-mark. In urxvt inside of screen, I get full-character
boxes, rather than question-marks. It's not guaranteed to be rendered in
_any_ particular way, since it's not a meaningful byte value.
It looks like the sux theme assumes a ISO-8859-* encoding, so if you
want it to render properly in screen, you'll need to tell screen that
it's in latin1 rather than UTF-8. For instance, turning _off_ UTF-8 mode
in screen fixed the issue for me.
- --
HTH,
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Gokdeniz Karadag wrote:
> Hi,
>
> This is more like a story, I am trying to automatically set "GNU screen
> window title" equal to the hostname that is connected by ssh.
This has been a recurring need, solved in various ways.
Thomas Adam just pointed out to me the following link:
http://www.tenshu.net/screen_ssh/
which appears to solve a problem by using ssh's LocalCommand config
option (which I hadn't known about) to run a local command whenever it's
invoked.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Date: Wed, 5 Nov 2008 22:13:43 -0800
From: Robin Lee Powell <rlpowell@digitalkingdom.org>
To: Micah Cowan <micah@cowan.name>
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Cc: Gokdeniz Karadag <gokdenizk@gmail.com>, screen-users@gnu.org
Subject: Re: Setting window title in ssh'ed host
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On Wed, Nov 05, 2008 at 02:39:13PM -0800, Micah Cowan wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Gokdeniz Karadag wrote:
> > Hi,
> >
> > This is more like a story, I am trying to automatically set
> > "GNU screen window title" equal to the hostname that is
> > connected by ssh.
>
> This has been a recurring need, solved in various ways.
I've solved it by prompt hacking; here's the relevant bits from my
.screenrc at work:
# Magic to make PS1 goodness work
hardstatus off
hardstatus string "%t"
chacl :window: -rwx #?
chacl :window: +x title
#####
# With this setup, you can change the current window's title by
# sending an ANSI escape sequence; this will change the window's
# title and the title will show up in the hardstatus line (i.e. the
# title bar in PuTTY). This sets the title to the current host
# name. The actual prompt is the hostname followed by $ for bash or
# %# for zsh, which is magic that shows either # if you're root or %
# if you're not.
#
# zsh: PS1="$(echo -e '%{\033]83;title '$(uname -n)'\007%}%m%# ')"
#
# bash: PS1="\[\033]83;title $(uname -n)\a\]$(uname -n)\$ "
#
#####
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
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Robin Lee Powell wrote:
> On Wed, Nov 05, 2008 at 02:39:13PM -0800, Micah Cowan wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Gokdeniz Karadag wrote:
>>> Hi,
>>>
>>> This is more like a story, I am trying to automatically set
>>> "GNU screen window title" equal to the hostname that is
>>> connected by ssh.
>> This has been a recurring need, solved in various ways.
>
> I've solved it by prompt hacking; here's the relevant bits from my
> .screenrc at work:
>
> # Magic to make PS1 goodness work
> hardstatus off
> hardstatus string "%t"
> chacl :window: -rwx #?
> chacl :window: +x title
>
> #####
> # With this setup, you can change the current window's title by
> # sending an ANSI escape sequence; this will change the window's
> # title and the title will show up in the hardstatus line (i.e. the
> # title bar in PuTTY). This sets the title to the current host
> # name. The actual prompt is the hostname followed by $ for bash or
> # %# for zsh, which is magic that shows either # if you're root or %
> # if you're not.
> #
> # zsh: PS1="$(echo -e '%{\033]83;title '$(uname -n)'\007%}%m%# ')"
> #
> # bash: PS1="\[\033]83;title $(uname -n)\a\]$(uname -n)\$ "
> #
> #####
I don't really see how that does what the thread's talking about;
namely, set the window title to the hostname that's connected by ssh.
Kinda cool about the :window:/OSC 83 command execution hack, though. I
was incredulous that those chacls actually did anything related to the
window title.
As previously mentioned in these threads (IIRC?), the problem with
prompt hacks is you don't always have control over the prompts in remote
shells (and even when you do, it's a bit of a pain to set up in every
host you ever visit).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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From: Robin Lee Powell <rlpowell@digitalkingdom.org>
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Cc: Gokdeniz Karadag <gokdenizk@gmail.com>, screen-users@gnu.org
Subject: Re: Setting window title in ssh'ed host
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On Wed, Nov 05, 2008 at 10:50:31PM -0800, Micah Cowan wrote:
> I don't really see how that does what the thread's talking about;
> namely, set the window title to the hostname that's connected by
> ssh.
You set your remote shell's PS1 to tell screen to set the title to
$(uname -n) or whatever.
> As previously mentioned in these threads (IIRC?), the problem with
> prompt hacks is you don't always have control over the prompts in
> remote shells (and even when you do, it's a bit of a pain to set
> up in every host you ever visit).
True enough. The LocalCommand hack is kinda neat.
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
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Subject: Re: Setting window title in ssh'ed host
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Hi,
I solved the problem in bash by editing my ~/.profile file:
ssh() {
args=$@
echo -ne "\033k${args##* }\033\\";
/usr/bin/ssh "$@";
}
It"s a rather simple script, whenever you call ssh, first this script is
executed, which calls the real ssh in the end, with the same arguments.
Before it does that, however, it sets the screen title to the last
argument of the ssh command. Usually, this is the hostname, at least for
the way I enter commands ;-)
Malte
Robin Lee Powell schrieb:
> On Wed, Nov 05, 2008 at 10:50:31PM -0800, Micah Cowan wrote:
>
>> I don't really see how that does what the thread's talking about;
>> namely, set the window title to the hostname that's connected by
>> ssh.
>>
>
> You set your remote shell's PS1 to tell screen to set the title to
> $(uname -n) or whatever.
>
>
>> As previously mentioned in these threads (IIRC?), the problem with
>> prompt hacks is you don't always have control over the prompts in
>> remote shells (and even when you do, it's a bit of a pain to set
>> up in every host you ever visit).
>>
>
> True enough. The LocalCommand hack is kinda neat.
>
> -Robin
>
>
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Subject: Re: Setting window title in ssh'ed host
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Malte Skoruppa <malte@countnumber.de> writes:
> I solved the problem in bash by editing my ~/.profile file:
>
> ssh() {
> args=$@
> echo -ne "\033k${args##* }\033\\";
> /usr/bin/ssh "$@";
You don't need to hard-code the path to ssh if you change this line to
command ssh "$@"
the trailing semicolons are also unnecessary because newline acts as a
command delimiter. Have a nice day.
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From: Gokdeniz Karadag <gokdenizk@gmail.com>
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Subject: Re: Setting window title in ssh'ed host
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Hi, in your script, it would be better to revert it back to local hostname
after ssh finishes.
Both this and LocalCommand seems neat, too bad that I have solved it by
manually setting PS1 on all machines :)
------------------------------
Message: 5
Date: Thu, 06 Nov 2008 11:25:00 +0100
From: Malte Skoruppa <malte@countnumber.de>
Subject: Re: Setting window title in ssh'ed host
To: screen-users@gnu.org
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Hi,
I solved the problem in bash by editing my ~/.profile file:
ssh() {
args=$@
echo -ne "\033k${args##* }\033\\";
/usr/bin/ssh "$@";
}
It"s a rather simple script, whenever you call ssh, first this script is
executed, which calls the real ssh in the end, with the same arguments.
Before it does that, however, it sets the screen title to the last
argument of the ssh command. Usually, this is the hostname, at least for
the way I enter commands ;-)
Malte
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Subject: Re: Setting window title in ssh'ed host
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Hi,
thanks for the tip with the 'command ssh' instead of /ust/bin/ssh
trick... didn't know about that.
I quickly hacked this script into my ~/.profile a while ago, so it may
not be that beautiful from a cosmetic point of view. Indeed I can leave
out the semicolons, they're just still there because this was a
one-liner to begin with ;)
I do 'revert' my screen title after the ssh command terminates. I just
don't revert it to the local hostname, but always set the title to the
current directory (at least, to the last 20 characters of $PWD) :-)
This is also in my ~/.profile
The PROMPT_COMMAND from bash is executed each time after any command was
executed. As this is really executed each and every time, it needs to be
lightning fast - that's why I coded it entirely in bash. Yes, I know I
could theoretically use sed or perl or whatever... ;-)
PROMPT_COMMAND='
if [ $TERM = "screen" ]; then
MYPWD="${PWD/#$HOME/~}"
[ ${#MYPWD} -gt 20 ] && MYPWD=..${MYPWD:${#MYPWD}-18}
echo -n -e "\033k$MYPWD\033\\"
fi
'
Cheers,
Malte
Gokdeniz Karadag schrieb:
> Hi, in your script, it would be better to revert it back to local
> hostname after ssh finishes.
>
> Both this and LocalCommand seems neat, too bad that I have solved it
> by manually setting PS1 on all machines :)
>
> ------------------------------
>
> Message: 5
> Date: Thu, 06 Nov 2008 11:25:00 +0100
> From: Malte Skoruppa <malte@countnumber.de>
> Subject: Re: Setting window title in ssh'ed host
> To: screen-users@gnu.org
> Message-ID: <4912C5FC.6020903@countnumber.de>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Hi,
>
> I solved the problem in bash by editing my ~/.profile file:
>
> ssh() {
> args=$@
> echo -ne "\033k${args##* }\033\\";
> /usr/bin/ssh "$@";
> }
>
> It"s a rather simple script, whenever you call ssh, first this script is
> executed, which calls the real ssh in the end, with the same arguments.
> Before it does that, however, it sets the screen title to the last
> argument of the ssh command. Usually, this is the hostname, at least for
> the way I enter commands ;-)
>
> Malte
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
_______________________________________________
screen-users mailing list
screen-users@gnu.org
http://lists.gnu.org/mailman/listinfo/screen-users
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From: "Pandurangan R S" <pandurangan.r.s@gmail.com>
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Subject: Re: Setting window title in ssh'ed host
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I think you can as well do the following.
ssh() {
args=$@
echo -ne "\033k${args##* }\033\\";
/usr/bin/ssh "$@";
# Set window title back here!
}
Any problem with this approach?
On Fri, Nov 7, 2008 at 6:58 PM, Malte Skoruppa <malte@countnumber.de> wrote:
>
> Hi,
>
> thanks for the tip with the 'command ssh' instead of /ust/bin/ssh trick... didn't know about that.
>
> I quickly hacked this script into my ~/.profile a while ago, so it may not be that beautiful from a cosmetic point of view. Indeed I can leave out the semicolons, they're just still there because this was a one-liner to begin with ;)
>
> I do 'revert' my screen title after the ssh command terminates. I just don't revert it to the local hostname, but always set the title to the current directory (at least, to the last 20 characters of $PWD) :-)
>
> This is also in my ~/.profile
> The PROMPT_COMMAND from bash is executed each time after any command was executed. As this is really executed each and every time, it needs to be lightning fast - that's why I coded it entirely in bash. Yes, I know I could theoretically use sed or perl or whatever... ;-)
>
> PROMPT_COMMAND='
> if [ $TERM = "screen" ]; then
> MYPWD="${PWD/#$HOME/~}"
> [ ${#MYPWD} -gt 20 ] && MYPWD=..${MYPWD:${#MYPWD}-18}
> echo -n -e "\033k$MYPWD\033\\"
> fi
> '
>
> Cheers,
>
> Malte
>
> Gokdeniz Karadag schrieb:
>>
>> Hi, in your script, it would be better to revert it back to local hostname after ssh finishes.
>>
>> Both this and LocalCommand seems neat, too bad that I have solved it by manually setting PS1 on all machines :)
>>
>> ------------------------------
>>
>> Message: 5
>> Date: Thu, 06 Nov 2008 11:25:00 +0100
>> From: Malte Skoruppa <malte@countnumber.de>
>> Subject: Re: Setting window title in ssh'ed host
>> To: screen-users@gnu.org
>> Message-ID: <4912C5FC.6020903@countnumber.de>
>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>> Hi,
>>
>> I solved the problem in bash by editing my ~/.profile file:
>>
>> ssh() {
>> args=$@
>> echo -ne "\033k${args##* }\033\\";
>> /usr/bin/ssh "$@";
>> }
>>
>> It"s a rather simple script, whenever you call ssh, first this script is
>> executed, which calls the real ssh in the end, with the same arguments.
>> Before it does that, however, it sets the screen title to the last
>> argument of the ssh command. Usually, this is the hostname, at least for
>> the way I enter commands ;-)
>>
>> Malte
>>
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org
>> http://lists.gnu.org/mailman/listinfo/screen-users
>>
>
>
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
_______________________________________________
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Subject: Re: Setting window title in ssh'ed host
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Of course that's possible, but I want my screen title to be set to $PWD
every time (especially when I issue a 'cd' command, obviously), not only
after an ssh command :-)
Malte
Pandurangan R S schrieb:
> I think you can as well do the following.
>
> ssh() {
> args=$@
> echo -ne "\033k${args##* }\033\\";
> /usr/bin/ssh "$@";
> # Set window title back here!
> }
>
> Any problem with this approach?
>
> On Fri, Nov 7, 2008 at 6:58 PM, Malte Skoruppa <malte@countnumber.de> wrote:
>
>> Hi,
>>
>> thanks for the tip with the 'command ssh' instead of /ust/bin/ssh trick... didn't know about that.
>>
>> I quickly hacked this script into my ~/.profile a while ago, so it may not be that beautiful from a cosmetic point of view. Indeed I can leave out the semicolons, they're just still there because this was a one-liner to begin with ;)
>>
>> I do 'revert' my screen title after the ssh command terminates. I just don't revert it to the local hostname, but always set the title to the current directory (at least, to the last 20 characters of $PWD) :-)
>>
>> This is also in my ~/.profile
>> The PROMPT_COMMAND from bash is executed each time after any command was executed. As this is really executed each and every time, it needs to be lightning fast - that's why I coded it entirely in bash. Yes, I know I could theoretically use sed or perl or whatever... ;-)
>>
>> PROMPT_COMMAND='
>> if [ $TERM = "screen" ]; then
>> MYPWD="${PWD/#$HOME/~}"
>> [ ${#MYPWD} -gt 20 ] && MYPWD=..${MYPWD:${#MYPWD}-18}
>> echo -n -e "\033k$MYPWD\033\\"
>> fi
>> '
>>
>> Cheers,
>>
>> Malte
>>
>> Gokdeniz Karadag schrieb:
>>
>>> Hi, in your script, it would be better to revert it back to local hostname after ssh finishes.
>>>
>>> Both this and LocalCommand seems neat, too bad that I have solved it by manually setting PS1 on all machines :)
>>>
>>> ------------------------------
>>>
>>> Message: 5
>>> Date: Thu, 06 Nov 2008 11:25:00 +0100
>>> From: Malte Skoruppa <malte@countnumber.de>
>>> Subject: Re: Setting window title in ssh'ed host
>>> To: screen-users@gnu.org
>>> Message-ID: <4912C5FC.6020903@countnumber.de>
>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>>
>>> Hi,
>>>
>>> I solved the problem in bash by editing my ~/.profile file:
>>>
>>> ssh() {
>>> args=$@
>>> echo -ne "\033k${args##* }\033\\";
>>> /usr/bin/ssh "$@";
>>> }
>>>
>>> It"s a rather simple script, whenever you call ssh, first this script is
>>> executed, which calls the real ssh in the end, with the same arguments.
>>> Before it does that, however, it sets the screen title to the last
>>> argument of the ssh command. Usually, this is the hostname, at least for
>>> the way I enter commands ;-)
>>>
>>> Malte
>>>
>>>
>>> _______________________________________________
>>> screen-users mailing list
>>> screen-users@gnu.org
>>> http://lists.gnu.org/mailman/listinfo/screen-users
>>>
>>>
>>
>> _______________________________________________
>> screen-users mailing list
>> screen-users@gnu.org
>> http://lists.gnu.org/mailman/listinfo/screen-users
>>
>
>
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I use screen on cygwin, with ncurses 5.7, and rxvt for my window.
The 'less' program has an irritating fault in this configuration which
I can't figure out how to work around:
* When using less in a vanilla rxvt window, the screen returns to its
pre-less state after quitting less -- good.
* When using less in a screen-managed window, with TERM=3Dscreen.rxvt,
the screen shows the last page displayed by less after quitting
less -- less good.
Do others have this problem? Any suggestions welcome.
Thanks,
ht
=2D --=20
Henry S. Thompson, School of Informatics, University of Edinburgh
Half-time member of W3C Team
10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged sp=
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I built screen 4.0.3 from source, with cygwin patches, on cygwin, with
ncurses 5.7, and rxvt for my terminal emulator.
The 'less' program has an irritating fault in this configuration which
I can't figure out how to work around:
* When using less in a vanilla rxvt window, the screen returns to its
pre-less state after quitting less -- good.
* When using less in a screen-managed window, with TERM=screen.rxvt,
the screen shows the last page displayed by less after quitting
less -- not good.
Do others have this problem? Any suggestions welcome.
Thanks,
ht
--
Henry S. Thompson, School of Informatics, University of Edinburgh
Half-time member of W3C Team
10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
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Subject: Re: problem with screen.rxvt TERM and less
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Henry S. Thompson wrote:
> I built screen 4.0.3 from source, with cygwin patches, on cygwin, with
> ncurses 5.7, and rxvt for my terminal emulator.
>
> The 'less' program has an irritating fault in this configuration which
> I can't figure out how to work around:
>
> * When using less in a vanilla rxvt window, the screen returns to its
> pre-less state after quitting less -- good.
>
> * When using less in a screen-managed window, with TERM=screen.rxvt,
> the screen shows the last page displayed by less after quitting
> less -- not good.
>
I'm not entirely sure I understand what the symptom is that you're
describing for running less under the screen-managed window, but it
sounds like it might be similar to this one, which is fixed in the
current dev sources:
https://savannah.gnu.org/bugs/index.php?23803
(read from the bottom up).
Also, I don't know what screen.rxvt's definition is, since that's not a
standard term name. Hopefully your system has proper definitions set up
for that.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: caption never option
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Hello,
I'm using screen to monitor some applications on an extremely small 8"
monitor and I've been using screen to view the programs
simultaneously. For what I'm using it for, the caption bars are
completely unnecessary as I don't ever switch between any other
programs. It would be very valuable (for screen real estate purposes)
to have a "caption never" option for this sort of thing so that the
split screens were completely seamless against one another.
I briefly looked back in the mailing list archives and it looks like
this sort of thing has been discussed before [0] [1].
I tried looking at the source code and was successful in getting rid
of the displayed information inside the caption bar but unfortunately
I still can't figure out exactly how to increase each screen's height
by 1 to take advantage of the extra space.
Does this sound like a good feature? And if no one is willing to
implement it, could someone give me some help in my implementation?
Thanks!
[0] -- http://www.mail-archive.com/screen-users@gnu.org/msg01372.html
[1] -- http://marc.info/?l=gnu-screen&m=104939266629717&w=2
--
"The sharpest sword can not compare to the sharpest mind." -- Unknown Soldier
Ryan-
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Subject: Re: caption never option
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"Ryan Showalter" <ryanshow@gmail.com>
writes:
> I'm using screen to monitor some applications on an extremely small 8"
> monitor and I've been using screen to view the programs
> simultaneously. For what I'm using it for, the caption bars are
> completely unnecessary as I don't ever switch between any other
> programs. It would be very valuable (for screen real estate purposes)
> to have a "caption never" option for this sort of thing so that the
> split screens were completely seamless against one another.
+1.
I'd also like to be able to disable captions altogether.
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To: Micah Cowan <micah@cowan.name>
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From: ht@inf.ed.ac.uk (Henry S. Thompson)
Date: Sun, 09 Nov 2008 22:02:04 +0000
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Subject: Re: problem with screen.rxvt TERM and less
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--=-=-=
Micah Cowan writes:
> I'm not entirely sure I understand what the symptom is that you're
> describing for running less under the screen-managed window, but it
> sounds like it might be similar to this one, which is fixed in the
> current dev sources:
Thanks for your help, but I don't _think_ this is what's at issue.
More poking around suggests a _possible_ alternative explanation. It
appears that less uses the alternate screen buffer for its display,
which is why when it finishes in a vanilla xterm-color or rxvt window,
you see no remnants of the displayed file. But I guess, from what I
can gather of how screen is implemented, that screen is _already_
using the alternate screen buffer, so when less asks to switch to it,
it can't???
As far as I can see, less is sending the
correct-per-terminfo-for-screen escape sequences, i.e. ESC[?1049h for
smcup and ESC[?1049l for rmcup, but they are not having the desired
effect. . .
[Note that when running in a vanilla rxvt window smcup is ESC7ESC[?47h
and rmcup is ESC[?47lESC8 . . . ]
Does this make better sense yet? I've attached pngs of the winning
and losing displays.
Thanks
ht
--=-=-=
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--=-=-=
--
Henry S. Thompson, School of Informatics, University of Edinburgh
Half-time member of W3C Team
10 Crichton Street, Edinburgh EH8 9AB, SCOTLAND -- (44) 131 650-4440
Fax: (44) 131 651-1426, e-mail: ht@inf.ed.ac.uk
URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]
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Subject: Re: problem with screen.rxvt TERM and less
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Henry S. Thompson wrote:
> Micah Cowan writes:
>
>> I'm not entirely sure I understand what the symptom is that you're
>> describing for running less under the screen-managed window, but it
>> sounds like it might be similar to this one, which is fixed in the
>> current dev sources:
>
> Thanks for your help, but I don't _think_ this is what's at issue.
> More poking around suggests a _possible_ alternative explanation. It
> appears that less uses the alternate screen buffer for its display,
> which is why when it finishes in a vanilla xterm-color or rxvt window,
> you see no remnants of the displayed file. But I guess, from what I
> can gather of how screen is implemented, that screen is _already_
> using the alternate screen buffer, so when less asks to switch to it,
> it can't???
Oh, is that the problem?
Screen has its own built-in "alternate screen buffers"; just add the
"altscreen" command to your ~/.screenrc.
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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From: ht@inf.ed.ac.uk (Henry S. Thompson)
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Subject: Re: problem with screen.rxvt TERM and less
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Micah Cowan writes:
> Oh, is that the problem?
>
> Screen has its own built-in "alternate screen buffers"; just add the
> "altscreen" command to your ~/.screenrc.
D'oh! That fixed it. Thank you for your patience, and for not just
replying 'RTFM'.
ht
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Henry S. Thompson wrote:
> Micah Cowan writes:
>
>> Oh, is that the problem?
>
>> Screen has its own built-in "alternate screen buffers"; just add the
>> "altscreen" command to your ~/.screenrc.
>
> D'oh! That fixed it. Thank you for your patience, and for not just
> replying 'RTFM'.
Note that, now that you have altscreen on, if you're running screen
4.0.3 you may run into that other problem I pointed you at: less
mysteriously displaying an empty screen until you refresh with Ctrl+L.
That's a bug in less, combined with a pseudo-bug in screen. Screen's
issue has been fixed in current sources (and no other terminal would be
particularly likely to trigger less's issue).
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Subject: sending CRLF via screen -X stuff
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Hello,
I am trying to send a remote command to an existing screen session:
while true; do screen -S 19268 -X stuff "signon"; sleep 1m; done
However, I need to send a new line (CRLF) after the command "signon".
Any help would be greatly appreciated.
Thanks very much,
Richard
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Hello,<br><br>I am trying to send a remote command to an existing screen session:<br><br>while true; do screen -S 19268 -X stuff &quot;signon&quot;; sleep 1m; done<br><br>However, I need to send a new line (CRLF) after the command &quot;signon&quot;.<br>
<br>Any help would be greatly appreciated.<br><br>Thanks very much,<br><br>Richard<br>
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Hello,
I am trying to send a remote command to an existing screen session:
while true; do screen -S 19268 -X stuff "signon"; sleep 1m; done
However, I need to send a new line (CRLF) after the command "signon".
Any help would be greatly appreciated.
Thanks very much
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Hello,<br><br>I am trying to send a remote command to an existing screen session:<br><br>while true; do screen -S 19268 -X stuff &quot;signon&quot;; sleep 1m; done<br><br>However, I need to send a new line (CRLF) after the command &quot;signon&quot;.<br>
<br>Any help would be greatly appreciated.<br><br>Thanks very much
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_______________________________________________
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Richard Elliot wrote:
> Hello,
>
> I am trying to send a remote command to an existing screen session:
>
> while true; do screen -S 19268 -X stuff "signon"; sleep 1m; done
>
> However, I need to send a new line (CRLF) after the command "signon".
Chances are you only need one of CR or LF, not both. Anyway, use octal
escapes: \012 and \015. (And yeah, I'd like to see a more complete set
of C-style escapes make their way in; low pri though.)
- --
Micah J. Cowan
Programmer, musician, typesetting enthusiast, gamer.
GNU Maintainer: wget, screen, teseq
http://micah.cowan.name/
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Date: Tue, 11 Nov 2008 10:38:18 +0530
From: "Pandurangan R S" <pandurangan.r.s@gmail.com>
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Subject: Re: sending CRLF via screen -X stuff
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Here is what i use
screen -X eval 'stuff "echo abc\015"'
Regards
Pandu
On Mon, Nov 10, 2008 at 11:19 PM, Richard Elliot <relliot@globalcashcard.com
> wrote:
> Hello,
>
> I am trying to send a remote command to an existing screen session:
>
> while true; do screen -S 19268 -X stuff "signon"; sleep 1m; done
>
> However, I need to send a new line (CRLF) after the command "signon".
>
> Any help would be greatly appreciated.
>
> Thanks very much,
>
> Richard
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> http://lists.gnu.org/mailman/listinfo/screen-users
>
>
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Here is what i use<br>
<br>
screen -X eval &#39;stuff &quot;echo abc\015&quot;&#39;<br>
<br>
Regards<br>
Pandu<br><br><div class="gmail_quote">On Mon, Nov 10, 2008 at 11:19 PM, Richard Elliot <span dir="ltr">&lt;<a href="mailto:relliot@globalcashcard.com">relliot@globalcashcard.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hello,<br><br>I am trying to send a remote command to an existing screen session:<br><br>while true; do screen -S 19268 -X stuff &quot;signon&quot;; sleep 1m; done<br><br>However, I need to send a new line (CRLF) after the command &quot;signon&quot;.<br>
<br>Any help would be greatly appreciated.<br><br>Thanks very much,<br><font color="#888888"><br>Richard<br>
</font><br>_______________________________________________<br>
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Thanks for the help.
Would this be correct?
while true; do screen -S 19268 -X stuff "signon"\012; sleep 1m; done
On Mon, Nov 10, 2008 at 9:02 PM, Micah Cowan <micah@cowan.name> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Richard Elliot wrote:
> > Hello,
> >
> > I am trying to send a remote command to an existing screen session:
> >
> > while true; do screen -S 19268 -X stuff "signon"; sleep 1m; done
> >
> > However, I need to send a new line (CRLF) after the command "signon".
>
> Chances are you only need one of CR or LF, not both. Anyway, use octal
> escapes: \012 and \015. (And yeah, I'd like to see a more complete set
> of C-style escapes make their way in; low pri though.)
>
> - --
> Micah J. Cowan
> Programmer, musician, typesetting enthusiast, gamer.
> GNU Maintainer: wget, screen, teseq
> http://micah.cowan.name/
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Thanks for the help. <br><br>Would this be correct?<br><br>while true; do screen -S 19268 -X stuff &quot;signon&quot;\012; sleep 1m; done<br><br><br><br><div class="gmail_quote">On Mon, Nov 10, 2008 at 9:02 PM, Micah Cowan <span dir="ltr">&lt;<a href="mailto:micah@cowan.name">micah@cowan.name</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA1<br>
<div class="Ih2E3d"><br>
Richard Elliot wrote:<br>
&gt; Hello,<br>
&gt;<br>
&gt; I am trying to send a remote command to an existing screen session:<br>
&gt;<br>
&gt; while true; do screen -S 19268 -X stuff &quot;signon&quot;; sleep 1m; done<br>
&gt;<br>
&gt; However, I need to send a new line (CRLF) after the command &quot;signon&quot;.<br>
<br>
</div>Chances are you only need one of CR or LF, not both. Anyway, use octal<br>
escapes: \012 and \015. (And yeah, I&#39;d like to see a more complete set<br>
of C-style escapes make their way in; low pri though.)<br>
<br>
- --<br>
Micah J. Cowan<br>
Programmer, musician, typesetting enthusiast, gamer.<br>
GNU Maintainer: wget, screen, teseq<br>
<a href="http://micah.cowan.name/" target="_blank">http://micah.cowan.name/</a><br>
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</blockquote></div><br>
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