What is the most straightforward way to create a "virtual" file in Linux, that would allow the read operation on it, always returning the output of some particular command (run everytime the file is being read from)? So, every read operation would cause an execution of a command, catching its output and passing it as a "content" of the file.What is the most straightforward way to create
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如何在Linux中创建虚拟命令支持的文件？
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