+ echo "Recent 20 backups:"
+ ls -lt ${BAKDIR}/* | head -20
+ echo
+ echo "Oldest 20 backups:"
+ ls -lt ${BAKDIR}/* | tail -20
+ echo
+ echo
+ DU=$(du -sb ${BAKDIR} | cut -f1)
+ echo "Total number of files: $(ls -1 ${BAKDIR} | wc -l), taking ${DU} bytes ($(expr ${DU} / 1048576) megabytes) of disk space."