Fdupes

fdupes is a program written by Adrian Lopez to scan directories for duplicate files, with options to list and delete them. It first compares file sizes and MD5 signatures, and then performs a byte-by-byte check for verification.

fdupes is written in C and is released under the MIT License.

imilar programs

Other programs that can find duplicates and run under *nix:
* [http://duff.sourceforge.net/ duff]
* [http://freshmeat.net/projects/dupmerge/ dupmerge] - runs on various platforms (Win32/64 with Cygwin, *nix, Linux etc.)
* [http://www.iredale.net/p/by-permalink/449447C8-EACB-11DC-B77B-21EB6225452B/ fdf] - Perl/c based and runs across most platforms (Win32, *nix and probably others). Uses MD5, SHA1 and other checksum algorithms
* [http://freedup.org/ freedup] * [http://www.stearns.org/freedups/ mirror] - POSIX C compliant and runs across platforms (Windows with Cygwin, Linux, AIX, etc)
* [http://www.pixelbeat.org/fslint/ fslint] -has commandline interface and GUI.
* [http://code.google.com/p/liten/ liten] - Pure Python deduplication command line tool, and library, using md5 checksums and a novel btye comparison algorithm. (Linux, Mac OS X, *nix, Windows)
* [http://rdfind.paulsundvall.net rdfind]
* [http://oss.euedge.com/ ua] - Unix/Linux command line tool, designed to work with find (and the like).

ee also

*List of Unix programs
*Duplicate code

External links

* [http://netdial.caribe.net/~adrian2/fdupes.html Official fdupes homepage]