Reading the contents of a file using NSFileHandle

- (NSData*)readDataFromFileAtURL:(NSURL*)anURL {
    NSFileHandle* aHandle = [NSFileHandle fileHandleForReadingFromURL:anURL
error:nil];
    NSData* fileContents = nil;
    if (aHandle)
        fileContents = [aHandle readDataToEndOfFile];
    return fileContents;
}