Finds sets of duplicate files in a folder you choose, saves the results in YAML format for you to manipulate at your whim later on.
The logic of the app is a slavish literal transliteration into Ruby of the excellent duplocator utility by John Hoogstrate.
Speak now or forever hold your peace:
October 10, 2008
dsfa

it throws an error on line 215.
“No such file to load—YAML”, it says :)