利用文件系统修改探测器实现的自动模块更新。

Automatic module updates using a file system modification detector.

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如果两个或多个用户同时以写模式访问文件或修改文件，文件将更新为最后保存的内容。

If two or more users access the file in write mode concurrently and modify the file, the last saved content is updated in the file.

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我们比较本地文件和远程文件的修改时间。如果本地文件更新，则上载它。

We compare the modified time of the local file to the modified time of the remote file and, if the local file is newer, we upload it.

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