Shell script classic case: backup of files

Shell scripting classic case: backup of files

1. Periodically delete files in the /data directory that have been modified for more than 7 days

Deleting files older than seven days

find /data -mtime +30 | xargs rm -rffind /data -mtime +30 -exec rm -rf {} \;

2. Periodically clean /data/YY-MM-DD.tar.gz