求python递归目录下所有文本文件把所有"aaa"字符串变为"bbb"字符串的脚本

Question

如题

Answer 1

import os

for root, dirs, files in os.walk("."):

    for file in files:

        if file.endswith(".txt"):

            path = os.path.join(root, file)

            with open(path, "r") as f:

                content = f.read().replace("aaa", "bbb")

            with open(path, "w") as f:

                f.write(content)