On Sat, Jul 25, 2009 at 9:28 PM, Alexander Heinz<ahei...@johnshopkins.edu> wrote: > > On Jul 25, 2009, at 11:20 AM, Kyle Sluder wrote: > >> On Jul 25, 2009, at 11:00 AM, "slasktrattena...@gmail.com" >> <slasktrattena...@gmail.com> wrote: >> >>> I find the third option the most likely: iTunes rewrites the data file >>> frequently. Is there a way to lock the file while reading it, or >>> detect if it is being modified, or suchlike? Thanks. >> >> You aren't guaranteed that the iTunes library file will always be a plist. >> The "correct" recommendation, which will also solve your issue, is to use >> Apple Events to get the information you need. >> >> In the general case, since you didn't write -[NSDictionary >> initWithContentsOfFile:], you can't make it safe. You'll have to open the >> file and read it's data yourself, then hand that off to the NSDictionary >> initializer (or perhaps NSPropertyListSerialization). >> >> --Kyle Sluder > > An alternative would be to copy the file to a temporary location, and then > read from it, as long as you are okay with the version in memory being > slightly out-of-date.
Yes, that's okay. But how would I know the file is readable at the time I copy it? > However, as Kyle points out, this is not necessarily a > safe way to do things going forward, and Apple Events is probably what you > want. > > - Alex Heinz > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
