macOS下使用Python实现文件备份功能

该示例代码演示了如何在macOS系统上使用Python编写一个简单的文件备份工具，通过递归遍历指定目录，将文件复制到备份目录。备份完成后，输出备份成功的消息。

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

import shutil
import os

def backup_files(source_dir, backup_dir):
    for root, dirs, files in os.walk(source_dir):
        for file in files:
            source_path = os.path.join(root, file)
            backup_path = os.path.join(backup_dir, file)
            shutil.copy2(source_path, backup_path)

if __name__ == "__main__":
    # 源目录和备份目录
    source_directory = "/path/to/source"
    backup_directory = "/path/to/backup"

    # 执行备份
    backup_files(source_directory, backup_directory)

    print("文件备份成功！")

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