在Linux中使用Bash脚本删除早于 “X” 天的文件/文件夹

以下文章与该主题相关，因此你可能有兴趣阅读。

• 如何在 Linux 中查找和删除早于 “X” 天和 “X” 小时的文件？
• 如何在 Linux 中查找最近修改的文件/文件夹
• 如何在 Linux 中自动删除或清理 /tmp 文件夹内容？

# ls -lh /var/log/apache/
 
-rw-rw-rw- 3 root root  24K Oct  1 23:52 2daygeek_access.01
-rw-rw-rw- 3 root root  24K Oct  2 23:52 2daygeek_access.02
-rw-rw-rw- 3 root root  24K Oct  3 23:52 2daygeek_access.03
-rw-rw-rw- 3 root root  24K Oct  4 23:52 2daygeek_access.04
-rw-rw-rw- 3 root root  24K Oct  5 23:52 2daygeek_access.05
-rw-rw-rw- 3 root root  24K Oct  6 23:54 2daygeek_access.06
-rw-rw-rw- 3 root root  24K Oct  7 23:53 2daygeek_access.07
-rw-rw-rw- 3 root root  24K Oct  8 23:51 2daygeek_access.08
-rw-rw-rw- 3 root root  24K Oct  9 23:52 2daygeek_access.09
-rw-rw-rw- 3 root root  24K Oct 10 23:52 2daygeek_access.10
-rw-rw-rw- 3 root root  24K Oct 11 23:52 2daygeek_access.11
-rw-rw-rw- 3 root root  24K Oct 12 23:52 2daygeek_access.12
-rw-rw-rw- 3 root root  24K Oct 13 23:52 2daygeek_access.13
-rw-rw-rw- 3 root root  24K Oct 14 23:52 2daygeek_access.14
-rw-rw-rw- 3 root root  24K Oct 15 23:52 2daygeek_access.15

该脚本将删除 10 天前的文件并通过邮件发送文件夹列表。

你可以根据需要修改 -mtime X 的值。另外，请替换你的电子邮箱，而不是用我们的。

# /opt/script/delete-old-files.sh
 
#!/bin/bash
prev_count=0
fpath=/var/log/apache/2daygeek_access.*
find $fpath -type f -mtime +15  -exec ls -ltrd {} ; > /tmp/file.out
find $fpath -type f -mtime +15  -exec rm -rf {} ;
count=$(cat /tmp/file.out | wc -l)
if [ "$prev_count" -lt "$count" ] ; then
MESSAGE="/tmp/file1.out"
TO="[email protected]"
echo "Apache Access log files are deleted older than 20 days"  >> $MESSAGE
echo "+--------------------------------------------- +" >> $MESSAGE
echo "" >> $MESSAGE
cat /tmp/file.out | awk '{print $6,$7,$9}' >> $MESSAGE
echo "" >> $MESSAGE
SUBJECT="WARNING: Apache log folders are deleted older than 15 days $(date)"
mail -s "$SUBJECT" "$TO" < $MESSAGE
rm $MESSAGE /tmp/file.out
fi

给 delete-old-files.sh 设置可执行权限。

# chmod +x /opt/script/delete-old-files.sh

最后添加一个 cronjob 自动化此任务。它于每天早上 7 点运行。

# crontab -e
 
0 7 * * * /bin/bash /opt/script/delete-old-folders.sh

你将看到类似下面的输出。

Apache Access log files are deleted older than 20 days
+--------------------------------------------------------+
Oct 11 /var/log/apache/2daygeek_access.11
Oct 12 /var/log/apache/2daygeek_access.12
Oct 13 /var/log/apache/2daygeek_access.13
Oct 14 /var/log/apache/2daygeek_access.14
Oct 15 /var/log/apache/2daygeek_access.15

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