  @logging[NR] = $*;
  end {
    for ((k1, k2), v in @logging) {
        @output[k1][k2] = "before";
        if (k1 == 5) {
          continue;
        }
        @output[k1][k2] = v;
    }
    emit @output, "NR", "name"
  }

