shell脚本汇总 2 删除创建时间超过32天的文件

#!/bin/bash
#date:2017-04-11
#version:clear_ballcloud_back_v1.0
#contents:removingthe/www/web/ballcloud_bakck/*，ifthefileiscreatedabove32day
#

cd/www/web

#sumthesizeofalreadydeletedirectory

dirsize=`du-sbackup_ballcloud|awk'{print$1}'`

#
#definethereadytodeldirectory
#

maxsize=$((20000))

cleardir="/www/web/backup_ballcloud"

echo-e"Allowdmaxsize:$maxsize\n";


#
#deleteallof/www/web/ballcloud_back/*
#


if[$dirsize-gt$maxsize];then

	cd$cleardir&&find.-mtime+32-typed|xargsrm-rf&>/dev/null;
fi


#
#DefinemptyFolder=`ls/www/web/backup_ballcloud|wc-l`
#

emptyFolder=`ls/www/web/backup_ballcloud|wc-l`

if[$emptyFolder-gt0];then

	cd$cleardir&&find.-mtime+32-typed|xargsrm-rf&>/dev/null;
fi

#