expect用法一二

#!/bin/bash
passwd=XXXX
expect < spawn ssh root@192.168.1.10
expect {  
          "(yes/no)?" {  
                    send "yes\n"  
                    expect "password:"  
                    send "$passwd\n"  
    }  
           "password:" {  
                   send "$passwd\n"  
    }  
 } 
expect "#"
send "df -h\n"
send "exit\r"
expect eof