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-- mp3dup 0.2 --
mp3dup looks for duplicate files in recursively parsed directories. It is written to check for duplicate mp3 files, but can be used to find duplicate files among any filetypes.

mp3dup by default only reports files with identical data. The following options exist:

        -s              Make mp3dup silent, no stats are reported
        -i              Report files with identical id3-tags
        -p <bytes>      Report files that start, or end with at least this many equal bytes

The default algorithm is as follows:
Parsed files are inserted in a hash table keyd with the size of the file. Files with the same size are md5summed, and those md5sums are inserted in a new hash table. Files with the same size and md5sum are brute-force-diffed. Non regular files are just skipped.
Empty files are printed as such.

Output is on stdout.

Usage: mp3dup [-is] [-p <bytes>] <directory> [directory] [directory] ...

mp3dup is available from http://mp3dup.xmms.org/