expect使用demo

#!/usr/bin/expect

set timeout

set ip [lindex $argv ]

spawn ssh root@$ip

expect {

"yes/no" { send "yes\r"; exp_continue }

"password:" { send "123456\r" }

}

expect "#"

send "sed -e '1,1000s/dns-search/#dns-search/' /etc/network/interfaces > /etc/network/test \r"

expect "#"

send "mv -f /etc/network/test /etc/network/interfaces \r"

expect "#"

send "/etc/init.d/networking restart \r"

expect "#"

send "exit\r"