To live in a pipeline, a utility needs to read data from standard input and write data to standard output.

为了生活在管道中，实用程序需要从标准输入读取数据，然后向标准输出写出数据。

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It is possible, in theory, that you'll find stringing existing programs together is not fast enough, but it's very rare that writing a new utility is faster than waiting for a slightly slow pipeline.

从理论上讲，组合现有程序来形成的实用程序运行得不足够快是可能的，但是编写一个新的实用程序很少会比等待一个稍慢的管道更快。

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If necessary, you can extend the pipeline shown above further and redirect the output of uniq to yet another utility.

如有需要，您可进一步扩展管道，将uniq的输出重定向到另外的实用工具。

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It could be another natural-gas pipeline or an electric utility, in the U.S. or outside.

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Investors in the so-called public-private partnership include Russian Railways, national power utility Unified Energy System and state-controlled pipeline operator Transneft.

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The largest issues facing pipeline safety today come from the actions of third parties completely unrelated to the actual operation of the pipeline, such as construction projects, excavation, utility work, planning and zoning decisions near pipelines, and even homeowners.

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