python 简单遍历文件...

import os

这里利用了迭代器.

def walk(path):
if os.path.isdir(path):
for file in os.listdir(path):
file_path = os.path.join(path, file)
for sub_file in walk(file_path):
yield sub_file
else:
yield path


for file in walk("/home/long"):
print file