擅长:python、mysql、java
<p><code>fileinput</code>模块允许您逐行读取它,而无需将整个文件加载到内存中。<a href="http://docs.python.org/library/fileinput.html" rel="nofollow">pydocs</a></p>
<pre><code>import fileinput
for line in fileinput.input(['myfile']):
do_something(line)
</code></pre>
<p>取自<a href="http://www.yak.net/fqa/171.html" rel="nofollow">yak.net</a>的代码示例</p>