https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSURL_Class/Reference/Reference.html https://developer.apple.com/libra

https://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Classes/NSURL_Class/Reference/Reference.html https://developer.apple.com/library/mac/#documentation/Cocoa... Security scoped bookmarks allow persistent access to a filesystem resource. That's the only one I'm aware of, but it's a major upgrade.