public static boolean deleteAllFilesStartingWith(@NotNull File file) {
    final String baseName = file.getName();
    File parentFile = file.getParentFile();
    final File[] files = parentFile != null ? parentFile.listFiles(pathname -> pathname.getName().startsWith(baseName)) : null;

    boolean ok = true;
    if (files != null) {
      for (File f : files) {
        ok &= FileUtil.delete(f);
      }
    }

    return ok;
  }
public static boolean deleteAllFilesStartingWith(@NotNull File file)