def parse(args)
      # The options specified on the command line will be collected in
      # *options*.
      @options = Options.new
      opt_parser = OptionParser.new do |parser|
        @options.define_options(parser)
      end
      opt_parser.parse!(args)

      @options
    end
def parse(args)
      # The options specified on the command line will be collected in
      # *options*.
      @options = Options.new
      opt_parser = OptionParser.new do |parser|
        @options.define_options(parser)
      end
      opt_parser.parse!(args)

      @options
    end
Return a structure describing the options.