#!/usr/bin/expect -f
# ./prontolink.exp <ip of switch> <port> <0 or 1 (on or off)>
set timeout 5
set arg0 [lindex $argv 0]
set port [lindex $argv 1]
set onoff [lindex $argv 2]

spawn ssh root@$arg0 
expect ": "
send "OpenFlow\r"
expect "# "
send "cli\r"
expect "CLI# "
send "port set $port enable=$onoff\r"
expect "CLI# "
send "quit\r"
expect "# " 
send "exit\r"
expect "closed."