class RuboCop::TargetFinder

def find(args)
  return target_files_in_dir if args.empty?
  files = []
  args.uniq.each do |arg|
    files += if File.directory?(arg)
               target_files_in_dir(arg.chomp(File::SEPARATOR))
             else
               process_explicit_path(arg)
             end
  end
  files.map { |f| File.expand_path(f) }.uniq
end