This is a simple tool to find duplicated files in a given directory. It uses the MD-5 hash algorithm to compare files. Using remote MySQL database, it is possible to compare files in shorter time.
$ java -jar <jar-file> -d <directory> [-u(for update), -a(scan all files)]It records time that the last scan was done, and when user runs the program again, it will scan only files that were modified after the last scan.