#!/bin/bash funmd5_1() { find /root/passwd -type f | xargs md5sum > /tmp/funmd5_1.log } funmd5_2() { find /root/passwd -type f | xargs md5sum > /tmp/funmd5_2.log } if [ ! -f /tmp/funmd5_1.log ];then funmd5_1 fi funmd5_2 diff /tmp/funmd5_1.log /tmp/funmd5_2.log > /tmp/diff.log Status=$? if [ $Status = 0 ];then exit else echo "文件修改过了!" fi