Using two interact in a Expect script
11,087
I have resolved the problem:
#!/usr/bin/expect
set timeout -1
set arg1 [lindex $argv 0]
spawn ssh -p 24 my_username@my_linux.domain.com
expect "#"
send "go $arg1 \n"
expect "sername:"
send "my_username\n"
expect "assword:"
send "my_password\n"
expect "#"
interact timeout 5 return
send "\n"
expect "root@my_linux:~#"
send "exit\n exit\n"
interact
Explanation: I added a few lines:
# This prevents commands from timing out (default timeout is 10 seconds).
set timeout -1
# When I type something, the timeout is ignored, but when I'm not typing,
# it waits 5 seconds and then continues.
interact timeout 5 return
send "\n"
expect "root@my_linux:~#"
send "exit\n exit\n"
Author by
MiddleCloud
Updated on June 13, 2022Comments
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MiddleCloud almost 2 years
I'm trying to write a script that connects to a Linux box via SSH and allows interactive control of Cisco equipment from there; after I finish controlling the equipment, I want to exit the shell, too.
I have SSH keys and do not need a password to connect.
go
in the code below is a Bash script that connects to the target equipment via SSH/Telnet.What I have done so far is:
#!/usr/bin/expect set arg1 [lindex $argv 0] spawn ssh -p 24 my_username@my_linux.domain.com expect "#" send "go $arg1 \n" expect "sername:" send "my_username\n" expect "assword:" send "my_password\n" interact expect "root@my_linux:~#" send "logout\n" expect "my_username@my_linux:~ $" send "logout\n" interact
The error I get when I exit the shell is:
Connection to my_linux.domain.com closed. expect: spawn id exp4 not open while executing "expect "root@my_linux:~#"" (file "./aaa" line 11)