Swift 1.2 fileExistsAtPath

gistfile1.txt

   func checkIfFileExpired( fileURL : NSURL ) -> Bool {
        let fileManager = NSFileManager()
        if let fileManager.fileExistsAtPath(fileURL) {
            var error : NSError? = nil
            if let filePath = fileURL.path,
                let fileAttr = fileManager.attributesOfItemAtPath(filePath, error: &error),
                let creationDate = fileAttr[NSFileModificationDate] as? NSDate {
                return creationDate.isBefore(NSDate.oneDayAgo())
            } else {
                println("problem examining file attributes for \(fileURL): error was \(error)")
            }
        }
        return false
    }