shell脚本自动清除日期目录用法

发布时间:2019-09-05编辑:脚本学堂
一个自动清除日期目录的shell脚本,自动清理指定日期格式的linux目录,删除基于日期来创建的文件夹。

linux系统中,有很多基于日期来创建文件夹,甚至还会有层级很深的子文件夹,对于这些日期文件整个移除,通过find结合rm或delete删除,费时费力。

使用以下shell/ target=_blank class=infotextkey>shell脚本,可以嵌入到其他脚本,也可直接调用,用于清除日期目录。
 
1、脚本内容
 

复制代码 代码示例:
[root@SZDB ~]# more purge_datedir.sh  
#!/bin/bash 
# Author: Leshami 
# Blog  : http://blog.csdn.net/leshami 
 
RemoveDir=/log/hotbak/physical 
dt=`date +%Y%m%d -d "3 day ago"` 
 
for subdir in `ls $RemoveDir`; 
do 
    if [ "${subdir}" < "${dt}" ]; 
        then  
        rm -rf $RemoveDir/$subdir >/dev/null 
        echo "The directory $RemoveDir/$subdir has been removed." 
    fi 
done 

2、演示
 

复制代码 代码示例:
[root@SZDB ~]# ls /log/hotbak/physical 
20141203  20141210  20141217  20141224  20141231  20150107  20150114  20150125  tmp.sh 
20141207  20141214  20141221  20141228  20150104  20150111  20150121  20150128 
 
[root@SZDB ~]# ./purge_datedir.sh  
The directory /log/hotbak/physical/20141203 has been removed. 
The directory /log/hotbak/physical/20141207 has been removed. 
The directory /log/hotbak/physical/20141210 has been removed. 
The directory /log/hotbak/physical/20141214 has been removed. 
The directory /log/hotbak/physical/20141217 has been removed. 
The directory /log/hotbak/physical/20141221 has been removed. 
The directory /log/hotbak/physical/20141224 has been removed. 
The directory /log/hotbak/physical/20141228 has been removed. 
The directory /log/hotbak/physical/20141231 has been removed. 
The directory /log/hotbak/physical/20150104 has been removed. 
The directory /log/hotbak/physical/20150107 has been removed. 
The directory /log/hotbak/physical/20150111 has been removed. 
The directory /log/hotbak/physical/20150114 has been removed. 
The directory /log/hotbak/physical/20150121 has been removed. 
 
[root@SZDB ~]# ls /log/hotbak/physical 
20150125  20150128