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Get unix 'top' command output from Expect script

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http://serverfault.com – All, EDIT I want to execute a unix statement in Expect script and get an output without having to include the interact statement.The unix statement outputs rsize value for a process. I haven't programmed in Expect before. This is my code: #!/usr/bin/expect set some_host "some host" set Mycmd "top -l 1 -stats pid,rsize,command | grep Process_Name| awk '{print \$2};'" spawn telnet localhost $some_host expect "login:" send "myDevice\r" expect "Password:" send "$password\r" expect "\$" send "$Mycmd\r" interact If I don't include the interact statement, I don't get any output. Ho (HowTos)