python利用set實現兩個文件並集,計數

--python實現兩個文件並集,排序,計數python

--(1)python版本2.3以上,低版本的python不支持set(),本文采用的是python2.7。python2.7

import sysui

import time排序

time_start=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))it

print time_startio

num=0import

s1 = set(open('/home/work/ctt/20150409.uid','r').readlines())nio

for i in range(0,10):im

  print i文件

  str="/home/work/ctt/data/0409logbefore/00000%s_0"%(i)

  print str

  s2=set(open(str,'r').readlines())

  s3=s1.union(s2)

  s1=s3

for item in s3:

 num=num+1

# print item

print num

time_end=time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))

print time_end

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