SHELL=/bin/bash 0 9,20 * * * root : Monitor __SSH_USER__ backup ; ALERT_DELAY="$(yunohost app setting __APP__ alert_delay)"; [[ $(find /home/__SSH_USER__/backup -follow -mtime -${ALERT_DELAY} -ls | wc -l) > 0 ]] || ( echo "No file has been backuped in /home/__SSH_USER__ since ${ALERT_DELAY} days" | mail -s "[YNH] Backup missing : __SSH_USER__" $(yunohost app setting __APP__ alert_mails))