def method_missing(m, *args, &block)
      if args.any?
        args = args.first if args.length == 1
        @var << { m.to_sym => args }
        instance_variable_set "@#{m}", args
      else
        instance_variable_get "@#{m}"
      end
    end
def method_missing(m, *args, &block)
      if args.any?
        args = args.first if args.length == 1
        @var << { m.to_sym => args }
        instance_variable_set "@#{m}", args
      else
        instance_variable_get "@#{m}"
      end
    end
Script's commands