擅长:python、mysql、java
<blockquote>
<p>[...] transposing each csv file and re-saving to disk, and then using the command line to concatenate them [...]</p>
</blockquote>
<p>听起来像转置猫转置。使用<a href="http://en.wikipedia.org/wiki/Paste_%28Unix%29">paste</a>水平连接文件。</p>
<pre><code>paste -d ',' a.csv b.csv c.csv ... > result.csv
</code></pre>