# File lib/rex/parser/ini.rb, line 114
        def to_s
                str = ''
                keys.sort.each { |k|
                        str += "[#{k}]\n"

                        self[k].each_pair { |var, val|
                                str += "#{var}=#{val}\n"
                        }

                        str += "\n";
                }

                return str
        end