Python or Ruby
http://blog.csdn.net/myan/archive/2008/01/07/2028545.aspx
http://blog.csdn.net/gashero/archive/2007/06/03/1636030.aspx
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import re
def pipeiwangzhi(a):
s=[]
pp= re.compile(r'<DT><A HREF="(.*)" ADD_DATE=(.*>)(.*)</A>')
m=pp.search(a)
s1=[]
  ......
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def decator(func):
def inner_func(*args):
args = (i * 2 for i in args)
return func(*args)
return inner_func
@decator
def add(a, ......
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import os
import os.path
# os,os.pathÀï°üº¬´ó¶àÊýÎļþ·ÃÎʵĺ¯Êý,ËùÒÔÒªÏÈÒýÈëËüÃÇ.
# Çë°´ÕÕÄãµÄʵ¼ÊÇé¿öÐÞ¸ÄÕâ¸ö·¾¶
rootdir = " d:/download "
for parent, dirnames, filenames in os.walk(rootdir):
  ......
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