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10 recommended content for detailed explanation of commands

零下一度
零下一度Original
2017-06-14 16:22:221415browse

Why use xargs? The source of the problem is that we often come into contact with the xargs command at work, especially in scripts written by others. However, it is easy to get confused with pipelines. This article will explain it in detail. What is the xargs command, why should we use the xargs command and its difference with pipes. Why use xargs? We know that Linux commands can read the content to be processed from two places, one is through command line parameters, and the other is standard input. For example, cat and grep are such commands. For example: echo 'main' | cat test.cpp. In this case, cat will output the content of test.cpp instead of the 'main' string. If test.cpp does not exist, then The cat command reports that the file does not exist and does not attempt to read from standard input. echo 'main' | will import the standard output of echo (that is, the string 'main') into the standard output of cat through a pipeline

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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10 recommended content for detailed explanation of commands

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