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本文实例讲述了python简单读取大文件的方法。分享给大家供大家参考,具体如下:
Python读取大文件(GB级别)采用的办法很简单:
with open(...) as f: for line in f: <do something with line>
例如:
with open(filepath,'r') as infile: for line in infile: print line
一切都交给python解释器处理,读取效率很高,且占用资源少。
stackoverflow参考链接:How to read large file, line by line in python - Stack Overflow
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