digital music in your computer under the directory /home/alex/music. Everyday, you copy a folder from under music folder (e.g. beatles / yellowsubmarine ) to your MP3 player , which appears as a usb drive (say /mnt/usbstick). You write a small script called loadmusic.bash and save it in /home/alex/, #!/bin/bash cd /mnt/usbstick/todaysmusic #