oldestbackuptstamp=$(echo $oldestbackup | cut -d'-' -f1)
if [ $oldestbackuptstamp -lt $(( $(date +%s) - $ARCHIVE_KEEPNDAYS*60*60*24 )) ]; then
oldestbackuptstamp=$(echo $oldestbackup | cut -d'-' -f1)
if [ $oldestbackuptstamp -lt $(( $(date +%s) - $ARCHIVE_KEEPNDAYS*60*60*24 )) ]; then