#!/bin/bash
#需要判断的目录
PWD=/mnt/sda1/upper/www/blog/content/posts/
MD5NEW() {
find $PWD -type f|cut -d' ' -f1|xargs md5sum > /tmp/md5new
}
MD5OLD() {
mv /tmp/md5new /tmp/md5old
}
if [ ! -f /tmp/md5old ];then
MD5NEW && MD5OLD
echo 更新1
elif [ $(MD5NEW && md5sum /tmp/md5new|awk '{print $1}') != $(md5sum /tmp/md5old|awk '{print $1}') ];then
MD5OLD
echo 更新2
fi