When output is created from multiple files or the standard input stream, the current date and time are used instead of the filename and creation date.

当从多个文件或标准输入流创建输出时，可以使用当前日期和时间替换文件名和创建日期。

youdao

When output is created from multiple files or the standard input stream, the current date and time are used instead of the filename and creation date.

当从多个文件或标准输入流创建输出时，可以使用当前日期和时间替换文件名和创建日期。

youdao