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Old 02-20-2004, 01:22 PM   #1
joshlamerritt
LQ Newbie
 
Registered: Dec 2003
Location: Orlando, Florida
Distribution: Debian, Fedora
Posts: 8

Rep: Reputation: 0
Space Key in Shell Script


I need my shell script to echo the space key in a telnet session. Here is script as I currently have it:

-----snip-----
#!/bin/bash
(
sleep 2
echo nevermore
sleep 2
echo en
sleep 2
echo chs008
sleep 2
echo "sh run"
sleep 4
echo " "
sleep 4
echo " "
sleep 4
echo " "
sleep 4
echo " "
) | telnet 10.8.1.100
-----snip-----

I am attempting to telnet to a Cisco switch and run the "sh run" command, which fills the screen and you must hit the space key to get the next full screen of data. I am running the script with as follows:

-----snip-----
[josh@seraph:~]$ ./telnet.script | tee tee.out
-----snip-----

This way I can capture the config of the switch. The script sort of works, but seems that it kills the telnet session when it gets to the second 'echo " " '.

Any help appreciated.

Josh
 
Old 02-20-2004, 01:31 PM   #2
hw-tph
Senior Member
 
Registered: Sep 2003
Location: Sweden
Distribution: Debian
Posts: 3,032

Rep: Reputation: 57
Perhaps you should looking into using expect instead. It is widely used for this sort of things, and writing expect scripts is often very straightforward.

Håkan
 
  


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