diff --git a/buffer.py b/buffer.py
index 00c9446..4ea822e 100644
--- a/buffer.py
+++ b/buffer.py
@@ -399,41 +399,16 @@ class ConsoleBuffer(Buffer):
     def readonly(self):
         return True
 
-iperl = None
-class IperlBuffer(Buffer):
-    btype    = 'iperl'
-    modename = 'iperl'
-    def __new__(cls, *args, **kwargs):
-        global iperl
-        if iperl is None:
-            iperl = object.__new__(IperlBuffer, *args, **kwargs)
-        return iperl
-    def __init__(self):
-        Buffer.__init__(self)
-        self.clear()
-    def clear(self):
-        iperl.set_data('', force=True)
-    def name(self):
-        return '*IPerl*'
-    def changed(self):
-        return False
-    def close(self):
-        global iperl
-        iperl = None
-    def readonly(self):
-        return True
-
-class IperlBuffer2(Buffer):
-    def get_iperl_name(parent):
+class InterpreterBuffer(Buffer):
+    _basename = 'Interpreter'
+    def create_name(cls, parent):
         if hasattr(parent, 'path'):
-            return '*IPerl:%s*' % parent.name()
+            return '*%s:%s*' % (cls._basename, parent.name())
         else:
-            return '*IPerl*'
-    get_iperl_name = classmethod(get_iperl_name)
-    btype    = 'iperl'
-    modename = 'iperl'
+            return '*%s*' % cls._basename
+    create_name = classmethod(create_name)
+    btype    = 'interpreter'
     readre   = re.compile('^([A-Z]+):(.*)\n$')
-    _name = '*IPerl*'
     def __init__(self, parent):
         if hasattr(parent, 'path'):
             self.parent = parent
@@ -445,14 +420,11 @@ class IperlBuffer2(Buffer):
         self.prompt = '***'
         self.clear()
         self.pipe_read()
-        self._name = get_iperl_name(parent)
+        self._name = self.create_name(parent)
     def name(self):
         return self._name
     def get_cmd(self):
-        if self.parent:
-            return ('iperl', '-p', self.parent.path)
-        else:
-            return ('iperl',)
+        raise Exception, 'unimplemented'
     def pipe_readline(self):
         line = self.pipe.stdout.readline()
         m = self.readre.match(line)
@@ -482,7 +454,6 @@ class IperlBuffer2(Buffer):
         assert typ_ == 'COMPLETIONS', '%r %r' % (typ_, value)
         candidates = [x for x in value.split('|') if x]
         return candidates
-
     def clear(self):
         self.set_data('', force=True)
     def changed(self):
@@ -490,72 +461,25 @@ class IperlBuffer2(Buffer):
     def readonly(self):
         return True
 
-class IpythonBuffer(Buffer):
-    def get_ipython_name(parent):
-        if hasattr(parent, 'path'):
-            return '*IPython:%s*' % parent.name()
-        else:
-            return '*IPython*'
-    get_ipython_name = classmethod(get_ipython_name)
-    btype    = 'ipython'
-    modename = 'ipython'
-    readre   = re.compile('^([A-Z]+):(.*)\n$')
-    _name = '*IPython*'
-    def __init__(self, parent):
-        if hasattr(parent, 'path'):
-            self.parent = parent
-        else:
-            self.parent = None
-        Buffer.__init__(self)
-        f = open('/dev/null', 'w')
-        self.pipe = Popen(self.get_cmd(), stdin=PIPE, stdout=PIPE, stderr=f)
-        self.prompt = '***'
-        self.clear()
-        self.pipe_read()
-        self._name = get_ipython_name(parent)
-    def name(self):
-        return self._name
+class IperlBuffer(InterpreterBuffer):
+    _basename = 'IPerl'
+    btype     = 'iperl'
+    modename  = 'iperl'
     def get_cmd(self):
         if self.parent:
-            return ('epython', '-p', self.parent.path)
+            return ('iperl', '-p', '-r', self.parent.path)
         else:
-            return ('epython',)
-    def pipe_readline(self):
-        line = self.pipe.stdout.readline()
-        m = self.readre.match(line)
-        if m:
-            return (m.group(1), m.group(2))
-        else:
-            return (None, line.rstrip())
-    def pipe_read(self):
-        lines = []
-        while True:
-            (type_, value) = self.pipe_readline()
-            if type_ == 'PROMPT':
-                self.prompt = value.strip() + ' '
-                break
-            value.rstrip()
-            if value:
-                lines.append(value)
-        if lines:
-            output = '\n'.join(lines) + '\n'
-            p = self.get_buffer_end()
-            self.insert_string(p, output, force=True)
-    def pipe_write(self, s):
-        self.pipe.stdin.write("%s\n" % s)
-        self.pipe.stdin.flush()
-    def pipe_read_completions(self):
-        (typ_, value) = self.pipe_readline()
-        assert typ_ == 'COMPLETIONS', '%r %r' % (typ_, value)
-        candidates = [x for x in value.split('|') if x]
-        return candidates
+            return ('iperl', '-p')
 
-    def clear(self):
-        self.set_data('', force=True)
-    def changed(self):
-        return False
-    def readonly(self):
-        return True
+class IpythonBuffer(InterpreterBuffer):
+    _basename = 'IPython'
+    btype     = 'ipython'
+    modename  = 'ipython'
+    def get_cmd(self):
+        if self.parent:
+            return ('epython', '-p', '-r', self.parent.path)
+        else:
+            return ('epython', '-p')
 
 class BinaryDataException(Exception):
     pass
diff --git a/mode/iperlmini.py b/mode/iperlmini.py
index 6d158e6..7378b85 100644
--- a/mode/iperlmini.py
+++ b/mode/iperlmini.py
@@ -66,10 +66,11 @@ class IperlStart(method.Method):
     def execute(self, w, **vargs):
         a = w.application
         if not a.has_buffer_name('*IPerl*'):
-            b = buffer.IperlBuffer()
+            b = buffer.IperlBuffer(None)
             a.add_buffer(b)
             window.Window(b, a)
-        b = a.bufferlist.get_buffer_by_name('*IPerl*')
+        else:
+            b = a.bufferlist.get_buffer_by_name('*IPerl*')
         if a.window().buffer is not b:
             a.switch_buffer(b)
         f = lambda x: None
@@ -117,8 +118,11 @@ class IperlMini(mode.Fundamental):
     def _get_iperl(self):
         a = self.window.application
         if not a.has_buffer_name('*IPerl*'):
-            raise Exception, "No iperl found!"
-        b = a.bufferlist.get_buffer_by_name('*IPerl*')
+            b = buffer.IperlBuffer(None)
+            a.add_buffer(b)
+            window.Window(b, a)
+        else:
+            b = a.bufferlist.get_buffer_by_name('*IPerl*')
         return b
 
     def __init__(self, w):
diff --git a/mode/ipythonmini.py b/mode/ipythonmini.py
index 19c1e78..4b838bd 100644
--- a/mode/ipythonmini.py
+++ b/mode/ipythonmini.py
@@ -76,7 +76,7 @@ class IpythonPathStart(method.Method):
         if w.buffer.btype == 'ipython':
             b = w.buffer
         else:
-            name = buffer.IpythonBuffer.get_ipython_name(w.buffer)
+            name = buffer.IpythonBuffer.create_name(w.buffer)
             if not a.has_buffer_name(name):
                 b = buffer.IpythonBuffer(w.buffer)
                 a.add_buffer(b)
diff --git a/tools/epython b/tools/epython
index ece197e..35957a2 100755
--- a/tools/epython
+++ b/tools/epython
@@ -98,7 +98,8 @@ if __name__ == "__main__":
         stanzas.append(('path', value))
     parser = optparse.OptionParser()
     parser.add_option('-e', '--eval', type='string', action='callback', callback=add_eval)
-    parser.add_option('-p', '--path', type='string', action='callback', callback=add_path)
+    parser.add_option('-r', '--run', type='string', action='callback', callback=add_path)
+    parser.add_option('-p', '--pipe', action='store_true')
     parser.parse_args()
     del parser, add_path, add_eval