56 lines
1.2 KiB
Groff
56 lines
1.2 KiB
Groff
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.\"
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.\" Author: Lasse Collin
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.\"
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.\" This file has been put into the public domain.
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.\" You can do whatever you want with this file.
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.\"
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.TH LZMAINFO 1 "2009-08-13" "Tukaani" "XZ Utils"
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.SH NAME
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lzmainfo \- show infomation stored in the .lzma file header
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.SH SYNOPSIS
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.B lzmainfo
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.RB [ \-\-help ]
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.RB [ \-\-version ]
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.RI [ file ]...
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.SH DESCRIPTION
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.B lzmainfo
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shows information stored in the
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.B .lzma
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file header. It reads the first 13 bytes from the specified
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.IR file ,
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decodes the header, and prints it to standard output in human
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readable format. If no
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.I files
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are given or
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.I file
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is
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.BR \- ,
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standard input is read.
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.PP
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Usually the most interesting information is the uncompressed size and
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the dictionary size. Uncompressed size can be shown only if the file is
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in the non-streamed
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.B .lzma
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format variant. The amount of memory required to decompress the file is
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a few dozen kilobytes plus the dictionary size.
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.PP
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.B lzmainfo
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is included in XZ Utils primarily for backward compatibility with LZMA Utils.
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.SH EXIT STATUS
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.TP
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.B 0
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All is good.
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.TP
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.B 1
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An error occurred.
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.SH BUGS
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.B lzmainfo
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uses
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.B MB
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while the correct suffix would be
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.B MiB
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(2^20 bytes).
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This is to keep the output compatible with LZMA Utils.
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.SH SEE ALSO
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.BR xz (1)
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