However, both sort and uniq require data entry or input from the standard input device (stdin).
但是sort和uniq则需要从标准输入设备(stdin)请求数据输入。
All machines consume input, perform some sort of work, and yield output.
所有机器都会消耗输入,执行某种工作,然后生成输出。
In Listing 8, you pass your input through your map script, sort that output (optional step), and then pass the resulting intermediate data through the reducer script.
在清单8中,通过map脚本传递您的输入、排序输出(可选步骤)、然后通过reduce脚本传递由此产生的中间数据。
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