How to execute command after telneting in shell script?


 
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# 1  
Old 05-29-2012
How to execute command after telneting in shell script?

Hi ,

I have to write a shell script to telnet to specific host and execute the admin command there. Please help me to do that.

Eg : telnet hostname portno
admin command
exit
# 2  
Old 05-29-2012
Do you mean to execute command on telnet prompt?

You generally do it with heredoc.
Code:
telnet host port << END
LOGIN:USER:PASS
OTHER TELNET COMMANDS
quit
END

# 3  
Old 05-29-2012
The specific host is the admin box... I have to run the script from after telneting..
# 4  
Old 05-29-2012
Ok. So you want to execute shell commands right?

Try..
Code:
( sleep 3
 echo ${LOGIN}
 sleep 2
 echo ${PSWD}
 sleep 2
 echo "/usr/bin/ksh /some/script.ksh"
 sleep 5
 echo "exit" ) | telnet ${HOST}

You can skip/decrease "sleeps" but sometimes those are really helpful to save you.
 
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