   trace << PSTR("Open/Write/Close file:");
   trace << stop - start << PSTR(" ms") << endl;
 
+  // Reopen and read the message. Measure total time
   start = RTC::millis();
   ASSERT(file.open("NISSE.TXT", O_READ));
   ASSERT(file.is_open());

  trace << stop - start << PSTR(" ms") << endl;
  trace << endl;

  start = RTC::millis();
  ASSERT(FAT16::rm("TMP.TXT"));
  stop = RTC::millis();

  FAT16::ls(trace, FAT16::LS_DATE | FAT16::LS_SIZE);
  trace << endl;

  // Open a new file and write a short message. Measure total time
  start = RTC::millis();
  ASSERT(file.open("NISSE.TXT", O_WRITE | O_TRUNC | O_CREAT));
  ASSERT(file.is_open());
