Delete duplicate pictures created by Image Capture's Import All feature.

delete-duplicate-pictures.rb

require 'digest/md5'

def md5(filename)
  Digest::MD5.hexdigest(IO.read(filename))
end

duplicate_files = []

Dir.glob('* 1.JPG').each do |duplicate_filename|
  original_filename = duplicate_filename[0..7] + '.JPG'

  if md5(original_filename) == md5(duplicate_filename)
    duplicate_files.push(duplicate_filename)
  end
end

if duplicate_files.empty?
  puts "No duplicate pictures"
else
  puts "#{File.delete(*duplicate_files)} pictures deleted:"
  puts duplicate_files
end