# File firewall/lib/symbiosis/firewall/directory.rb, line 60
      def to_s
        #
        # This is an array of rules that will be written to the script
        #
        rules = []

        rules << "#"*72
        rules << "#"
        rules << "# Rules from #{path}"
        rules << "#"
        rules << "#"*72

        #
        # Read the rules, and generate.
        #
        do_read.each do |template, hostnames|
          rules += do_generate_rules( template, hostnames )
        end

        return rules.join("\n")
      end