# File lib/cri/command.rb, line 281
    def run_this(opts_and_args, parent_opts={})
      # Parse
      parser = Cri::OptionParser.new(
        opts_and_args, self.global_option_definitions)
      self.handle_parser_errors_while { parser.run }
      local_opts  = parser.options
      global_opts = parent_opts.merge(parser.options)
      args = parser.arguments

      # Handle options
      self.handle_options(local_opts)

      # Execute
      if self.block.nil?
        raise NotImplementedError,
          "No implementation available for '#{self.name}'"
      end
      self.block.call(global_opts, args, self)
    end