code: public static String uniquePath(String name, String ext) throws IOException
      {
          File file = File.createTempFile(name, ext);
          String path = file.getAbsolutePath();
          file.delete();
  
          return path;
      }
docs: <p>uniquePath.</p>
  
  @param name a {@link java.lang.String} object.
  @param ext a {@link java.lang.String} object.
  @return a {@link java.lang.String} object.
  @throws java.io.IOException if any.