Adding the “Do Not Backup” attribute to a folder hierarchy in iOS 5.0.1

Question

Referencing iCloud + Storage of media in iPhone Documents folder, which shows how to set the iOS 5.0.1 \"Do Not Backup\" attribute for a file.

Is there an efficient

Answer 1

Correction on above method,use this for swift

 func addSkipBackupAttributeToItemAtURL(URL:NSURL) ->Bool {

    let fileManager = NSFileManager.defaultManager()
    assert(fileManager.fileExistsAtPath(URL.absoluteString!))

    var error:NSError?
    let success:Bool = URL.setResourceValue(NSNumber(bool: true),forKey: NSURLIsExcludedFromBackupKey, error: &error)

    if !success{

        println("Error excluding \(URL.lastPathComponent) from backup \(error)")
    }

    return success;
}