# File lib/rspec/core/configuration_options.rb, line 27
      def drb_argv
        argv = []
        argv << "--color"        if options[:color_enabled]
        argv << "--profile"      if options[:profile_examples]
        argv << "--backtrace"    if options[:full_backtrace]
        argv << "--tty"          if options[:tty]
        argv << "--fail-fast"    if options[:fail_fast]
        argv << "--line_number"  << options[:line_number]             if options[:line_number]
        argv << "--options"      << options[:custom_options_file]     if options[:custom_options_file]
        if options[:full_description]
          # The argument to --example is regexp-escaped before being stuffed
          # into a regexp when received for the first time (see OptionParser).
          # Hence, merely grabbing the source of this regexp will retain the
          # backslashes, so we must remove them.
          argv << "--example" << options[:full_description].source.delete('\\')
        end
        if options[:filter]
          options[:filter].each_pair do |k, v|
            argv << "--tag" << k.to_s
          end
        end
        if options[:exclusion_filter]
          options[:exclusion_filter].each_pair do |k, v|
            argv << "--tag" << "~#{k.to_s}"
          end
        end
        if options[:formatters]
          options[:formatters].each do |pair|
            argv << "--format" << pair[0]
            argv << "--out" << pair[1] if pair[1]
          end
        end
        (options[:libs] || []).each do |path|
          argv << "-I" << path
        end
        (options[:requires] || []).each do |path|
          argv << "--require" << path
        end
        argv + options[:files_or_directories_to_run]
      end