If you only want to track creation and modification date, just omit the attribute.

如果你只想跟踪创建和编辑日期，只需忽略该属性即可。

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Remember that the comparison works on the filename, not the file system creation or modification date, and so the script is able to work with files that might have been created overnight.

请记住，比较操作针对于文件名，而不是文件系统的创建或修改日期，所以该脚本可以对头天晚上创建的文件进行操作。

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