[ Bash 範例代碼 ] Delete old files

 Source From Here

Let's create testing old files:

# touch -d "Thu, 1 March 2018 12:30:00" a
...

# find ./ -mtime +90 -exec ls -l {} \;
-rw-r--r-- 1 root root 0 Mar 1 2018 ./c
-rw-r--r-- 1 root root 0 Mar 1 2018 ./b
-rw-r--r-- 1 root root 0 Mar 1 2018 ./a

- 03-1_delete_old_files.sh

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1. #!/bin/bash  
2. # Author: John Lee  
3. # Date: 2021/07/24  
4. # Description: This script will delete files older than 90 days  
5. # Modified: 2021/07/24  
6. #  
7. # More:  
8. #   Use below command to create old file for testing  
9. #   touch -d "Thu, 1 March 2018 12:30:00" a  
10. TARGET_PATH=${TARGET_PATH:-`pwd`}  
11. for of in `find ${TARGET_PATH} -mtime +90`  
12. do  
13.   fname=$(basename $of)  
14.   # mv $of "/tmp/${fname}" <--- testing  
15.   rm $of "/tmp/${fname}"  
16.   if [ $? -eq 0 ]; then  
17.     echo "Deleted ${fname} done!"  
18.   else  
19.     echo "Fail to delete ${fname}!"  
20.   fi  
21. done  

Execution outpupt:

# ./03-1_delete_old_files.sh
Deleted c done!
Deleted b done!
Deleted a done!