擅长:python、mysql、java
<p>您可以使用<a href="http://docs.python.org/library/csv.html" rel="nofollow">csv</a>模块(因为您的数据看起来是逗号分隔的,至少在您的示例中是这样的):</p>
<pre><code>import sys
import csv
with open('mail_addresses.txt', 'w') as outfile:
for row in csv.reader(open(sys.argv[1], 'rb')):
outfile.write("%s\n" % row[1])
</code></pre>