expect批量修改密码

shell脚本：

#!/bin/bash
time=`date +%Y%m%d%H%M`
cat ip.list | while read line
do
    a=(0 1 2 3 4 5 6 7 8 9 a b c d e f g h q m o p A B C D E F G H Q M O P @ $ % ^)
    newpass=`for ((i=0;i<64;i++));do echo -n ${a[$RANDOM % ${#a[*]}]};done;echo`
    ip=`echo $line |awk '{print $1}'`
    user=`echo $line |awk '{print $2}'`
    pass=`echo $line |awk '{print $3}'`
    echo "$ip $user $newpass" >> $time-ip.list
    expect changp.exp $ip $user $pass $newpass  >>  /tmp/changp-$time.log
done

expect脚本：

#!/usr/local/bin/expect
set timeout 8
set ip [lindex $argv 0]
set user [lindex $argv 1]
set pass [lindex $argv 2]
set newpass [lindex $argv 3]

if {$argc!=4}{
    puts stderr "Usage:your arguments is error!"
    exit 1
    }
spawn ssh $user@$ip
expect  {
        "(yes/no)?" {send "yes\r";exp_continue}
        "password:"  {send "$pass\r"}
        }
expect "#"
send "passwd $user"
expect "password:"
send "$newpass"
send "exit \r"
expect eof

ip.list格式：

192.169.1.188  root password