#!/usr/bin/python

#coding:utf-8

import pexpect

import time

ip="192.168.122.10"

name="root"

pwd="XXXXX"

port="22"

print '------ssh -p %s %s@%s' %(port,"root",ip)

child=pexpect.spawn('ssh -p %s %s@%s' %(port,"root",ip)  )

ii=child.expect ('password:')

ii=child.sendline(pwd)

ii=child.expect('#')

ii=child.sendline('mkdir -p /root/demo/ && touch /root/demo/ptest.txt')

ii=child.sendline('test -e /root/demo/ptest.txt  && rm -f /root/demo/ptest.txt')

child.sendline("exit")  #必须指向这一行，才能指向上一行

child.close()