IIRC FAM has to do with SGI/Irix and while it's obviously sensible to at least mention it in this context, I suppose that at best it is portable to other *NICES (but I would be glad to be disproved!) OTOH the following answer, mentioning a Win32 specific module seems much more on topic.

In reply to Re^2: starting a script when a file appears in a directory by blazar
in thread starting a script when a file appears in a directory by Mattk470

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