# File lib/chef/expander/control.rb, line 68
      def self.compile
        run_method = "def run; case @argv.first;"
        descriptions.each do |method_name, command_name, desc|
          run_method << "when '#{command_name}';#{method_name};"
        end
        run_method << "else; help; end; end;"
        class_eval(run_method, __FILE__, __LINE__)
      end