bash skrip: beri input pada program

#!/usr/bin/expect -f
spawn openvpn client.warriors.conf.open
match_max 100000
expect "*?assword:*"
send -- "mypassword"
send -- "\r"
expect eof

ref: http://stackoverflow.com/questions/11240184/pass-private-key-password-to-openvpn-command-directly-in-ubuntu-10-10