On Sep 24, 2013, at 3:24 AM, Ben Staveley-Taylor wrote:

> The reason I want to do this is to discover the textual path of a file given 
> its file ID (and a volume name).

> So I suppose my real question is how to find the path for a file by its id 
> (its fileSystemFileNumber attribute).

How is it that you've come to have a file ID and volume name and nothing else?  
This sounds like a situation where you should have stored bookmark data but 
stored something less useful.

I believe one solution is the searchfs() routine.  Of course, that's a 
potentially slow or expensive operation.  In theory, I suppose, searching for a 
file by its ID should be no slower than converting a file reference URL to a 
file path URL.

Regards,
Ken


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