# -*- coding:utf-8 -*-
# @Author len
# @Create 2023/10/19 10:03

import os

# 文件夹路径
folder_path = r'D:\Waste\嵌入式\数据集\二维码\len\QRgray'
# 前缀
prefix = 'gray_'

# 获取文件夹中所有文件的路径
file_paths = [os.path.join(folder_path, filename) for filename in os.listdir(folder_path)]

# 批量修改文件名
for file_path in file_paths:
    # 获取文件的原始名字和扩展名
    file_name, file_ext = os.path.splitext(os.path.basename(file_path))

    # 如果文件扩展名是.json
    if file_ext == '.json':
        # 构建新的文件路径
        new_file_path = os.path.join(folder_path, prefix + file_name + file_ext)
        # 重命名文件
        os.rename(file_path, new_file_path)