在以上的管道线中，我们在开始时使用一些生成输出的命令，然后通过管道线的每个阶段导出输出。

In the above pipelines we started with some command that generated output and then piped that output through each stage of the pipeline.

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您可以通过添加更多的命令和管道操作符来构造更长的管道线。

You construct longer pipelines by adding more commands and more pipe operators.

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这种过滤通常是通过构造命令管道线 来完成的，其中来自一个命令的输出被导入 或重定向 为下一个命令的输入。

Such filtering is most often done by constructing a pipeline of commands where the output from one command is piped or redirected to be used as input to the next.

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