expect批量登录

#!/bin/bash

cat iplist|while read line  #iplist文件中存放了IP地址和密码，每行格式为“IP地址 密码”

do

a=($line)                   #a为数组

/usr/bin/expect<<EOF      

spawn ssh root@${a[0]}    

expect {

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

"*password:" { send "${a[1]}\r" }

}

expect "#"

send "hostname\r"          

send "exit\r"           

expect eof

EOF

done