Explanation:
First of all, you might want to take a look at this:
One Disc 1.0 | Webmasterunit.com
Disc One you can folders with movies and photos on various disks are, linking, sorting and printing. You can use all that information from several disks in a convenient list view. Disc One, you no longer need to use Terminal to provide lists of folders together. You can sort the files by name or path and export lists to text files. Freeware for Mac OS X 10.5 or later.