Bash Script to reboot the router through telnet

rebootrouter

#!/usr/bin/expect       
# run script by installing expect
# chmod +x rebootrouter
# ./rebootrouter 192.168.0.1 admin password

#script will timeout after 20 seconds.
set timeout 20

set host [lindex $argv 1]
set user [lindex $argv 2]
set password [lindex $argv 3]

set command "reboot"

spawn telnet $host

#The script expects login
expect "wl-router login:"

#The script sends the user variable
send "$user\r"

#The script expects Password
expect "Password:"

#The script sends the password variable
send "$password\r"

# send reboot command after that
send "$command\r"

#to interact the session
interact