擅长:python、mysql、java
<p>假设您有一个逗号分隔的行文件:</p>
<pre><code>with open('path/to/input') as infile:
for i,line in enumerate(infile, 1):
toks = line.split(',')
print "row %d: token_count=%d character_count=%d '%s' has the most characters" %(len(toks), sum(len(t) for t in toks), max(toks, key=len))
</code></pre>