问在文件名中切换字段

EN

import os

directory = '/path/to/directory/the/files/are/in/'

for original_filename in os.listdir(directory):
    original_rootname, original_ext = os.path.splitext(original_filename)
    original_filepath = os.path.join(directory, original_filename)
    new_rootname = '_'.join(original_rootname.split('_')[::-1])
    new_filename = new_rootname + original_ext
    new_filepath = os.path.join(directory, new_filename)
    os.rename(original_filepath, new_filepath)

for f in partA_partB partC_partD partE_partF; do
  IFS=_ read first second <<<"$f"
  echo mv "$f" "${second}_$first"
done

mv partA_partB partB_partA
mv partC_partD partD_partC
mv partE_partF partF_partE