# File lib/redis/connection/command_helper.rb, line 7
      def build_command(args)
        command = [nil]

        args.each do |i|
          if i.is_a? Array
            i.each do |j|
              j = j.to_s
              command << "$#{j.bytesize}"
              command << j
            end
          else
            i = i.to_s
            command << "$#{i.bytesize}"
            command << i
          end
        end

        command[0] = "*#{(command.length - 1) / 2}"

        # Trailing delimiter
        command << ""
        command.join(COMMAND_DELIMITER)
      end