// updateFrequency = check file every x seconds
static JTable showFileAsTable(File file, double updateFrequency, O dataMakingFunction) {
  ret showFileAsTable(null, file, updateFrequency, dataMakingFunction);
}

static JTable showFileAsTable(final JTable _table, File file, double updateFrequency, O dataMakingFunction) {
  class X {
    JTable table = _table;
    *() {
      Runnable load = r {
        O data = map(func(S s) { joinLines(" / ", s) }, loadLogicList());
        if (table != null)
          dataToTable_uneditable(table, data);
        else
          table = showTable(tableWithToolTips(), data);
      };
      long lastMod = logicListFile().lastModified();
      call(load);
      awt_onFileChange(5, table, logicListFile(), lastMod, load);
    }
  }
  ret new X().table;
}