python 遍历文件夹和子目录抓出自己想用的文件类型

vi python-list.py

import fnmatch 
import os 
import re 
def fnmatch_filter_demo(path,pattern): 
        for path,dir,filelist in os.walk(path): 
            for name in fnmatch.filter(filelist,pattern): 
                print os.path.join(path,name) 
def fnmatch_demo(path,pattern): 
        for path,dir,filelist in os.walk(path): 
            for name in filelist: 
                if  fnmatch.fnmatch(name,pattern): 
                    print os.path.join(path,name) 
def re_demo(path,pattern): 
        pattern=fnmatch.translate(pattern) 
        for path,dir,filelist in os.walk(path): 
            for name in filelist: 
                m=re.search(pattern,name) 
                if m: 
                    print os.path.join(path,name) 
re_demo("/var/log/","*log*")