static IterableIterator<S> scanLog_bounded_iterator(File file, long max) {
  final Iterator<S> it = linesFromFile_bounded(file, max);
  ret iteratorFromFunction(func -> S {
    while (it.hasNext()) {
      S s = it.next();
      if (isProperlyQuoted(s))
        ret unquote(s);
    }
    null;
  });
}