On 17 Jun '08, at 7:04 PM, Omar Qazi wrote:

can I use those to get a notification when another application opens a file? If not is there any way I can achieve this?

No. You can't get notifications with that fine a granularity, because if the OS sent them, everything would slow to a crawl under the load of delivering so many.

The FSEvent API will tell you that something in a particular directory has changed. It doesn't tell you which file; if you need to know, you'll need to pre-scan the directory and cache the mod dates of all the files, then compare them after the notification.

—Jens

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