bash case

#!/bin/bash

echo -n "   Use $default, daily or type a date? [yes or no] (yes default) or Daily (d): "
read yno
case $yno in

        [nN] | No | no )
                echo -n "   Type a date: "
                read date
                ;;
        [dD] | Daily | daily )
                echo "   Using DAILY backups! "
                date="daily"
                ;;
        *) echo "   Using $default to retore the backup"
            ;;
esac