擅长:python、mysql、java
<p>另一种方法,在python中:</p>
<pre><code>keys = ['C', 'E']
with open('out.txt', 'a') as out:
with open('test.txt') as f:
for line in f:
for key in keys:
if line.startswith(key):
out.write(line)
break
</code></pre>
<p><code>test.txt</code>是一个包含表1的文件,复制粘贴。<br/>
<code>out.txt</code>是获取表2的文件</p>