def extract_keys_from_files(localizable_files)
      keys_from_file = {}
      localizable_files.each do |file|
        lines = File.readlines(file)

        # Grab just the keys, we don't need the translation
        keys = lines.map { |e| e.split("=").first }
        # Filter newlines and comments
        keys = keys.select do |e|
          e != "\n" && !e.start_with?("/*") && !e.start_with?("//")
        end
        keys_from_file[file] = keys
      end
      keys_from_file
    end
def extract_keys_from_files(localizable_files)
      keys_from_file = {}
      localizable_files.each do |file|
        lines = File.readlines(file)

        # Grab just the keys, we don't need the translation
        keys = lines.map { |e| e.split("=").first }
        # Filter newlines and comments
        keys = keys.select do |e|
          e != "\n" && !e.start_with?("/*") && !e.start_with?("//")
        end
        keys_from_file[file] = keys
      end
      keys_from_file
    end
A hash with keyes - Localizable.strings file and
 values - modified keys from file