Python实现合并同一个文件夹下所有txt文件的方法

# -*- coding:utf-8*-

import sys

reload(sys)

sys.setdefaultencoding('utf-8')

import os

import os.path

import time

time1=time.time()

##########################合并同一个文件夹下多个txt################

def MergeTxt(filepath,outfile):

  k = open(filepath+outfile, 'a+')

  for parent, dirnames, filenames in os.walk(filepath):

    for filepath in filenames:

      txtPath = os.path.join(parent, filepath) # txtpath就是所有文件夹的路径

      f = open(txtPath)

      ##########换行写入##################

      k.write(f.read()+"\n")

  k.close()

  print "finished"

if __name__ == '__main__':

  filepath="D:/course/"

  outfile="result.txt"

  MergeTxt(filepath,outfile)

  time2 = time.time()

  print u'总共耗时：' + str(time2 - time1) + 's'