Question

How to delete all recordings mp3 and wav inside linux directory which is more than 31 days or 31 days old

Answer 1

for deleting mp3

find /var/spool/asterisk/monitor -type f -name "*.mp3" -mtime +31 -exec rm {} \;

for deleting wav

find /var/spool/asterisk/monitor -type f -name "*.wav" -mtime +31 -exec rm {} \;