Linux下实现文件搜索与替换的Python脚本

本示例展示了如何使用Python在Linux系统中编写一个文件搜索与替换的脚本。该脚本可递归搜索指定目录下的所有文件，查找特定关键词并将其替换为新内容。

# -*- coding: utf-8 -*-
import os

def search_and_replace(directory, old_word, new_word):
    for foldername, subfolders, filenames in os.walk(directory):
        for filename in filenames:
            file_path = os.path.join(foldername, filename)
            try:
                with open(file_path, 'r', encoding='utf-8') as file:
                    content = file.read()
                # 查找并替换关键词
                new_content = content.replace(old_word, new_word)
                with open(file_path, 'w', encoding='utf-8') as file:
                    file.write(new_content)
                print(f'文件 {file_path} 替换成功！')
            except Exception as e:
                print(f'文件 {file_path} 替换失败，错误信息：{str(e)}')

# 示例调用
search_and_replace('/path/to/directory', '旧关键词', '新关键词')

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