Re: Preserving knowledge of renamed/moved directory?
Re: Preserving knowledge of renamed/moved directory?
- Subject: Re: Preserving knowledge of renamed/moved directory?
- From: Rick Mann <email@hidden>
- Date: Mon, 28 Nov 2016 18:05:50 -0800
> On Nov 28, 2016, at 17:30 , Charles Srstka <email@hidden> wrote:
>
>> On Nov 28, 2016, at 7:06 PM, Rick Mann <email@hidden> wrote:
>>
>> Back in the days before URLs, I could have an FSRef to a directory, and no matter where I moved that directory what I named it, the FSRef was still valid, and I could still read/write to it.
>>
>> Now that everything is URL based, if a thread changes the name of a directory, or moves it, another thread's URL pointing to that directory (or inside it) becomes invalid, right?
>>
>> Is there any way for this to not be the case? That is, for a URL to a directory or subdirectory or item within to stay valid even if the path to it changes?
>
> I’ve got good news and bad news.
>
> The good news: Yes, there is a way. Just call .fileReferenceURL on an NSURL in Objective-C, and you’ll get something that works just like an FSRef.
>
> The bad news: This is currently broken in Swift, as of Swift 3, where all file reference URLs will get silently and unceremoniously converted back to path-based ones at the bridge. This can be worked around via an Objective-C wrapper, though.
LOL, naturally. Thanks!
--
Rick Mann
email@hidden
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