     SPIFFS.mkdir(String(i));
 
   Serial.println("Directory structure created.");
-  listDir(SPIFFS, " / ", "");
+  listDir(SPIFFS, "/", "");
   caching = true;
 };
 

  for (int i = 0; i < uid.size; i++) {
    path += String(uid.uidByte[i], DEC);
    if (i == 0)
      path += " / ";
    else
      path += ".";
  };

    wipeCache();
  } else {
    caching = true;
    listDir(SPIFFS, "/", "");
  };

  Serial.println("setup() done.\n\n");
