Software Screenshot:
mp3dup looks for duplicate files in recursively searched directories. It is written to check for duplicate MP3 files, but can be used to find duplicate files of any type.
Parsed files are inserted in a hash table keyed 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.
mp3dup can also find files that are equal with the first, or last N bytes. This is accomplished by hashing on the head and tail parts of the files, and byte-comparing the collisions.
What's New in This Release:
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