python中递归记录指定后缀名的文件示例分享

python</a>;toolbar:false"># coding=utf-8

import os

# 三个全局变量：
root_folder = &#39;./root&#39;   # 将被递归的文件夹根目录
save_txt = &#39;./paths.txt&#39; # 记录路径的文档
suffix_name = &#39;.jpg&#39;     # 后缀名

# 递归记录指定后缀名的文件的绝对路径
def record(folder, save_txt):
    save_file = open(save_txt, &#39;a&#39;)
    for name in os.listdir(folder):
        if os.path.isdir(os.path.join(folder, name)):
            record(os.path.join(folder, name), save_txt)
        elif name.endswith(suffix_name):
            save_file.write(&#39;{}\n&#39;.format(os.path.join(folder, name)))
    save_file.close()

def main():
    # 如果save_txt已存在，则删除
    try:
        os.remove(save_txt)
    except OSError:
        pass
    # 开始递归记录
    record(os.path.abspath(root_folder), save_txt)

if __name__ == &#39;__main__&#39;:
    main()