!752

p {
  S logName = "feedback-log";
  //S logName = "memory-log";
  int plus = 0, minus = 0, lines = 0;
  for (S s : scanLog("#1001915", logName)) pcall {
    ++lines;
    Map map = cast safeUnstructure(s);
    print(structure(map));
    Number score = cast map.get("score");
    if (score != null) {
      int x = score.intValue();
      if (x > 0) plus += x; else minus -= x;
    }
  }
  print("Total plus: " + plus + ", total minus: " + minus + ", lines read: " + lines);
}