iterates over files and delete dublicates

remove_dublicates.rb

require 'digest/md5'
require 'fileutils'
hash = {}
["/Users/frankbehrens/Desktop/niels\ backup/Pictures/iPhoto\ Library/Originals/**/*.*","**/*.*"].each do |dir|
  Dir.glob(dir).each do |file|
    print '.'
    digest =  Digest::MD5.hexdigest(File.read(file))
    if hash[digest]
      puts "#{file}is dublicate"
      FileUtils.rm file
    end
    hash[digest ] = file
  end
end