python高效过滤出文件夹下指定文件名结尾的文件实例

如下所示：

import os

def anytrue(predicate, sequence):
return true in map(predicate, sequence)

def filterfiles(folder, exts):
for filename in os.listdir(folder):
if os.path.isdir(folder + '/' + filename):
   filterfiles(folder + '/' + filename, exts)
elif anytrue(filename.endswith, exts):
print filename

exts = ['.md', '.yml', '.rst']
filterfiles('d:\\twisted\\twisted-trunk', exts)


import os
import time
from itertools import imap
def anytrue(predicate, sequence):
 return true in imap
(predicate, sequence)
 
def filterfiles(folder, exts):
 for filename in os.listdir(folder):
  if os.path.isdir(folder + '/' + filename):
   filterfiles(folder + '/' + filename, exts)
  elif anytrue(filename.endswith, exts):
   print filename

start = time.time()
exts = ['.md', '.yml', '.rst']
filterfiles('d:\\twisted\\twisted-trunk', exts)
print('total time=%f' %(time.time()- start))

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