#!/bin/bash
zip  /home/bungeecord /home/backupSerenia/backup_`date +'%F'`.zip
ls -l /home/backupSerenia /home/backupSerenia/backup_last.zip
test -f /home/backupSerenia/backup_`date -d '6 day ago' +'%F'`.zip? || exit 0
rm /home/backupSerenia/backup_`date -d '6 day ago' +'%F'`.zip?