Linux环境下使用Python实现文件搜索和替换功能

本示例演示如何在Linux系统中使用Python编写一个简单的脚本，实现对指定目录下所有文件进行关键词搜索并替换的功能。这在批量修改配置文件等场景中十分实用。

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

def search_and_replace(directory, search_term, replace_term):
    for root, dirs, files in os.walk(directory):
        for file in files:
            file_path = os.path.join(root, file)
            try:
                with open(file_path, 'r', encoding='utf-8') as f:
                    content = f.read()
                # 执行搜索替换
                new_content = content.replace(search_term, replace_term)
                with open(file_path, 'w', encoding='utf-8') as f:
                    f.write(new_content)
                print(f'文件 {file_path} 替换成功')
            except Exception as e:
                print(f'替换文件 {file_path} 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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