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.
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.
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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