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Python统计文件中去重后uuid个数的方法

Jun 10, 2016 pm 03:08 PM
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本文实例讲述了Python统计文件中去重后uuid个数的方法。分享给大家供大家参考。具体如下:

利用正则表达式按行获取日志文件中的的uuid,并且统计这些uuid的去重个数(去重利用set)

import re
pattern=re.compile(r'&uuid=.*&')
uuidset=set()
with open('request.log.2015-05-26','rt') as f:
    for line in f:
        all=pattern.findall(line)
        if len(all)>0 and line.find('iphone')>0:
            # print(all[0])
            uuidset.add(all[0])
print(len(uuidset))

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希望本文所述对大家的Python程序设计有所帮助。

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