Remove files that are older than x days
First you want to see which files will be deleted. This examples looks for files older than 7 days.
find /directory/to/search/through/ -type f -mtime +7 -print | xargs echo
If you’re satisfied with the list, you can actually delete them:
find /directory/to/search/through/ -type f -mtime +7 -print | xargs rm -f
