Awk can act as a filter in a pipeline or take input from the keyboard (standard input) if no file or files are specified.

awk可以在管道中作为过滤器，如果没有指定文件，它也可以从键盘(标准输入)中接收输入。

youdao

Now, type some text in the filter box and press the Enter key on your keyboard.

现在，在筛选框中输入一些文本并在键盘上点击enter键。

youdao

Advanced device lockdown through flexible keyboard filters and a new unified write filter that combines previous write filters into a single, streamlined solution for better management and enhanced uptime.

ENGADGET: Windows Embedded Standard 8 preview now available for download