Python之文件处理-批量修改md文档内容

#!/usr/bin/env python

# -*- coding:utf-8 -*-

import os

import re

import time

def modify_md_content(top):

    for root, dirs, files in os.walk(top, topdown=False):

        # 循环文件

        for file_name in files:

            file_name_split = file_name.split('.')

            try:

                if file_name_split[-1] == 'md':

                    # 找到md文件并且复制一份md文件路径

                    md_file_path = os.path.join(root, '.'.join(file_name_split))

                    copy_md_file_path = os.path.join(root, '.'.join([f'{file_name_split[0]}_copy', file_name_split[1]]))

                    # 打开md文件然后进行替换

                    with open(md_file_path, 'r', encoding='utf8') as fr, \

                            open(copy_md_file_path, 'w', encoding='utf8') as fw:

                        data = fr.read()

                        # data = re.sub('\(/配图/', '(配图/', data)

                        # data = re.sub('<br>', '<br>\n', data)

                        # data = re.sub('<br>', '', data)

                        data = re.sub('^[TOC] #.*? ', '', data)

                        fw.write(data)  # 新文件一次性写入原文件内容

                        # fw.flush()

                    # 删除原文件

                    os.remove(md_file_path)

                    # 重命名新文件名为原文件名

                    os.rename(copy_md_file_path, md_file_path)

                    print(f'{md_file_path} done...')

                    time.sleep(0.5)

            except FileNotFoundError as e:

                print(e)

        time.sleep(0.5)

if __name__ == '__main__':

    top = r'/Users/mac/Desktop/'

    modify_md_content(top)