@parser = OptionParser.new do |cmd|
      cmd.banner += " <filename>\n\nReads from STDIN if not passed a filename.\n\n"
      cmd.on('-h', '--help', 'Show usage') { puts parser.help; exit }
#      cmd.on('-u', '--nick NICK', 'Set nickname') { |n| opt[:nick] = n }
#      cmd.on('-k', '--key KEY', 'Key to authenticate your nick') { |n| opt[:nick] = n }
      cmd.on('-l', '--language LANG', 'Set language for syntax highlighting') { |l| opt[:parser] = l }
    end
  end