Re: question about last used date
Re: question about last used date
- Subject: Re: question about last used date
- From: Jens Alfke <email@hidden>
- Date: Mon, 14 Mar 2016 18:21:23 -0700
> On Mar 14, 2016, at 6:11 PM, Rick C. <email@hidden> wrote:
>
> 2. NSURLContentAccessDateKey returns the current date like mentioned here - http://stackoverflow.com/questions/13914600/get-the-real-last-opened-date <http://stackoverflow.com/questions/13914600/get-the-real-last-opened-date>
> 3. The same problem with st_atimespec it returns the current date
The thread you linked to doesn’t say the _current_ date, it says "very strange dates, usually near 3:00-3:30 AM, today or yesterday”. That’s probably the last time the file was scanned by some system daemon like the Spotlight indexer or Time Machine, as I said in my previous reply.
> So from what I see there is no real alternative to kMDItemLastUsedDate if that value is missing. Additional thoughts?
It sounds like what you want is a high level “last time this file was opened in a GUI application by a user command” property, which isn’t something the filesystem knows anything about. Higher-level frameworks seem to update kMDItemLastUsedDate to implement this. If that data is lost, I don’t think you have an alternative.
—Jens
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