If I have got content of line 2 I want to get content of line 9. How to do?
<p>I have text file:</p>

<pre><code>[1]AAAAAA
[2]BBBBBB
[3]CCCCCC
[4]DDDDDD
[5]
[6]
[7]
[8]111111
[9]2222222
[10]333333
[11]4444444
[12]555555
[13]6666666
</code></pre>

<p>If I have  got content of line 2 I want to get content of line 9. How to do?</p>
