since I do not have access to xterm, here is the interactive session for 
spawning bash(another session if you will), sending ls command to it, and 
retrieving the results.
things to note are:
1. after spawning expect for the prompt, timeout, and eof #which ever happens 
first
2. return value is the action that matched
3. if prompt matched, the 'before' has the results
4. even the command 'ls' with '\r\n' will be in the results.
------------actual session--------------------------
[EMAIL PROTECTED]:/c/Edwin/Projects/expect
$ python
Python 2.5.1 (r251:54863, May 18 2007, 16:56:43) 
[GCC 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pexpect
>>> c = pexpect.spawn('/bin/bash')
>>> c.expect([pexpect.TIMEOUT, pexpect.EOF, '\$ '])
2
>>> c.before
'[EMAIL PROTECTED]:/c/Edwin/Projects/expect\r\n'
>>> c.after
'$ '
>>> c.sendline('ls')
3
>>> c.expect([pexpect.TIMEOUT, pexpect.EOF, '\$ '])
2
>>> c.before
'[EMAIL PROTECTED]:/c/Edwin/Projects/expect\r\n'
>>> c.after
'$ '
>>> 
>>> exit()
[EMAIL PROTECTED]:/c/Edwin/Projects/expect
$ 
---------------------------------------------------------------

good luck....
Edwin
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
On Behalf Of Kent Tenney
Sent: Friday, August 08, 2008 4:25 PM
To: python-list@python.org
Subject: sending to an xterm


Howdy,

I want to open an xterm, send it a command and have it execute it.

I thought pexpect would do this, but I've been unsuccessful.

term = pexpect.spawn('xterm')

starts an xterm, but

term.sendline('ls') 

doesn't seem to do anything.

Suggestions?

Thanks,
Kent

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