在执行脚本时，指定源文件的名称和源目录以及可选的复制次数。

To execute, supply the name of the source file and the source directory, and an optional count of the number of copies to make.

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如果您指定了自定义位置，则需负责当不再需要这些目录和已复制的文件时将它们清除。

If you specify a custom location, you are responsible for cleaning up the directories and copied files when they are no longer needed.

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