It reads data from standard input line by line.
它从标准输入逐行读取数据。
This is accomplished by providing data on the command line or through standard input.
这是通过向命令行提供数据或是通过标准输入实现的。
The standard input file provides a way to send data to a process.
标准输入文件提供了一个将数据传送到一个进程的方法。
Standard input can come from the left side of a command as well.
标准的输入也能来自指令的左边。
Standard input can come from the left side of a command as well.
标准的输入也能来自指令的左边。
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