PHP版本：

 1 /**
 2  * 删除7天前的日志
 3  * @param $logPath
 4  */
 5 function del7daysAgoLog($logPath) {
 6     if(empty($logPath))return;
 7     $handle = opendir($logPath);
 8       while(($file = readdir($handle)) !== false){              
 9               $pos = strpos($file, '.log');
10               if ($pos !== false && (strtotime("-1 week") > fileatime($logPath . $file))) {
11                 unlink($logPath . $file);
12               }
13       }
14 }


shell 版本

 1 #!/bin/sh
 2 function del7daysAgoLog (){
 3         for file in  $(ls $1)
 4         do
 5                 if [ "${file##*.}" = "log" ]
 6                 then
 7                         ctime=$(stat $1/$file -c "%y")
 8                         ctimeU=$(date -d "$ctime" +%s)
 9                         now=$(date +%s)
10                         SevenDaysAgo=$(($now - 36000 * $Days))
11                         if [ $SevenDaysAgo -gt $ctimeU ]
12                         then
13                                 $(rm $file)#此处删除文件
14                         fi
15                 else
16                         echo ""
17                 fi
18         done
19 }
20 Days=7
21 Path="/var/www/***/log"
22 del7daysAgoLog $Path $Days
23


shell 版本比较麻烦 关键我linux转换不熟悉