static File zipAllDataDirs() {
  File zip = mkdirsForFile(new File(javaxBackupDir(), computerID() + "-JavaX-Data-" + ymd() + "-" + hms() + ".zip"));
  int count = dir2zip_recurse_honorDontBackupFiles(javaxDataDir(), zip, "JavaX-Data/");
  print("Zip made! " + n2(count, "file") + " zipped to " + renderFileInfo(zip));
  ret zip;
}