On Jun 20, 2008, at 4:43 PM, Grant Limberg wrote:

Is there a way to create a new bundle from in Cocoa?

What I'd like to do is have a bundle in my app's Application Support folder to store some data generated by the user in my app.

Since it's just data, I think you want a package rather than a bundle, as such. A package is a directory which the Finder and other system GUI presents to the user as a file.


Do I simply just create a folder and set a bit on it that the OS identifies as being a bundle or is there anything else special I have to do?

Sort of. You don't set a bit on the folder. You declare a document type in your application's Info.plist. That document type would specify your custom folder name extension and indicate that it's a package document type. This informs Launch Services (and the Finder, which relies on LS) that the folder is a package.

See the Bundle Programming Guide. In particular, see the chapter on "Document Packages", but don't limit yourself to that chapter.

http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFBundles/
http://developer.apple.com/documentation/CoreFoundation/Conceptual/CFBundles/Concepts/DocumentBundles.html

Cheers,
Ken
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