code: def postprocess(self):
          
          # Add suffix to all sub_dir/{items}
          for path in self.neb_dirs:
              for f in VASP_NEB_OUTPUT_SUB_FILES:
                  f = os.path.join(path, f)
                  if os.path.exists(f):
                      if self.final and self.suffix != "":
                          shutil.move(f, "{}{}".format(f, self.suffix))
                      elif self.suffix != "":
                          shutil.copy(f, "{}{}".format(f, self.suffix))
  
          # Add suffix to all output files
          for f in VASP_NEB_OUTPUT_FILES + [self.output_file]:
              if os.path.exists(f):
                  if self.final and self.suffix != "":
                      shutil.move(f, "{}{}".format(f, self.suffix))
                  elif self.suffix != "":
                      shutil.copy(f, "{}{}".format(f, self.suffix))
docs: Postprocessing includes renaming and gzipping where necessary.