!752

p {
  File f = getNewestFile(allEventLogs());
  assertNotNull("Not chat log found", f);
  printStructure(f);
  L<S> log = collect(scanEventLogForPosts(f), "text");
  printStructure("Log: ", log);
  int i = lastIndexOfStartsWith(log, "!learn");
  if (i < 0) { print("No !learn command found"); ret; }
  
  new Matches mm;
  print("cmd: " + log.get(i));
  assertTrue(match("!learn *-*", log.get(i), mm));
  int m = mm.psi(0), n = mm.psi(1);
  print("i=" + i +", m=" + m + ", n=" + n);
  L<S> part = subList(log, i-n, i-m);
  printStructureLines(part);
  /*for (S s : part)
    print(indent(s));*/
}