在命令管道中作为组件工作(通过读取标准输入或文件名参数，以及写至标准输出和标准错误)。
Working as a component in a pipeline of commands (by reading either standard input or a filename argument, and writing to standard output and standard error).
在命令管道中作为组件工作(通过读取标准输入或文件名参数，以及写至标准输出和标准错误)。
Working as a component in a pipeline of commands (by reading either standard input or a filename argument, and writing to standard output and standard error).
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