expect ssh 自动登录 example

#!/usr/bin/expect -f
set ip [lindex $argv ]
set port [lindex $argv ]
set username [lindex $argv ]
set password [lindex $argv ]
set timeout
spawn ssh $ip -p $port -l $username
expect {
##"*yes/no" { send "yes\r"; exp_continue }
    "*password:" { send "$password\r" }
}
interact

##格式如下：

./shell_name ip  port  username password