gistfile1.txt

    def convert_command(command, *args)
      args.map! do |word|
        if word.is_a?(TrueClass) || word.is_a?(FalseClass)
          word ? '1' : '0' # convert bool to 1 or 0
        elsif word.is_a?(Range)
          if word.end == -1 # negative means to end of range
            "#{word.begin}:"
          else
            "#{word.begin}:#{word.end + (word.exclude_end? ? 0 : 1)}"
          end
        elsif word.is_a?(MPD::Song)
          %Q["#{word.file}"] # escape filename
        else
          # escape any strings with space (wrap in double quotes)
          word = word.to_s
          # word.match(/\s|'/) ? %Q["#{word}"] : word
          if word.empty?
            word
          else
            %Q["#{word}"]
          end
        end
      end
      return [command, args].join(' ').strip
    end