code: def remove_empty_files(root_directory, dry_run=False, ignore_errors=True,
                         enable_scandir=False):
      
      file_list = []
      for root, directories, files in _walk(root_directory,
                                            enable_scandir=enable_scandir):
          for file_name in files:
              file_path = join_paths(root, file_name, strict=True)
              if os.path.isfile(file_path) and not os.path.getsize(file_path):
                  if file_hash(file_path) == variables.hashes.empty_file.md5:
                      file_list.append(file_path)
  
      file_list = sorted(set(file_list))
  
      if not dry_run:
          for afile in file_list:
              try:
                  os.unlink(afile)
              except OSError as err:
                  if ignore_errors:
                      logger.info("File {0} could not be deleted".format(afile))
                  else:
                      raise err
  
      return file_list
docs: Remove all empty files from a path. Returns list of the empty files removed.
  
      :param root_directory: base directory to start at
      :param dry_run: just return a list of what would be removed
      :param ignore_errors: Permissions are a pain, just ignore if you blocked
      :param enable_scandir: on python < 3.5 enable external scandir package
      :return: list of removed files