Re: NSString and file system Re: AppleScript in Sandboxed App
Re: NSString and file system Re: AppleScript in Sandboxed App
- Subject: Re: NSString and file system Re: AppleScript in Sandboxed App
- From: Quincey Morris <email@hidden>
- Date: Wed, 16 Jan 2013 09:40:46 -0800
On Jan 16, 2013, at 09:12 , "email@hidden" <email@hidden> wrote:
> To be honest I rarely remember to call -fileSystemRepresentation.
> The docs seem to indicate that its only purpose is to replace abstract / and . characters with OS equivalents.
> On OS X this would have seem to have no net result.
>
> Is there more to this?
You absolutely have to do it. There may be other things, but the transformations in 'fileSystemRepresentation' include at least:
1. '/' characters are replaced by ':', for file systems that use '/' as a path component separator. (':' has always been illegal in file names at the UI, so the transformation is reversible.)
2. Graphemes with multiple Unicode representations are converted to a normal form, for file systems that store Unicode file names. (Can't remember which form -- Unicode normal form D, I think.) That removes indeterminacy when there are accented "characters" (graphemes) with equivalent 1- and 2- character Unicode forms, or "characters" with multiple accents where the order of the accents could vary.
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