Re: Question about the Foundation Framework
Re: Question about the Foundation Framework
- Subject: Re: Question about the Foundation Framework
- From: Michael Ash <email@hidden>
- Date: Fri, 6 Mar 2009 00:05:03 -0500
On Thu, Mar 5, 2009 at 3:45 PM, Steve Shepard <email@hidden> wrote:
> On Thu, Feb 19, 2009 at 7:36 AM, Michael Ash <email@hidden> wrote:
>>
>> If you're looking for more information, note that NSTemporaryDirectory
>> is essentially equivalent to /tmp on a normal UNIX system
>
> This is not quite true.
>
> On Leopard, the dirhelper utility deletes files from
> NSTemporaryDirectory that were last accessed more than three days ago;
> if a user leaves your app running for more than 3 days, dirhelper will
> happily delete files out from under it.
>
> See http://www.cocoabuilder.com/archive/message/cocoa/2009/1/15/227830
>
> Unfortunately, this makes NSTemporaryDirectory unusable for my
> purposes as I need the data to be around for the lifetime of the app.
Nothing guarantees that files in /tmp will remain around forever
either. If your app needs these files to stick around, keep them open.
Mike
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