title: How can I extract a line or row?
body: <p>How can I extract the whole line in a row, for example, row 3.
  These data are saved in my text editor in linux.
  Here's my data:</p>
  
  <pre><code>1,julz,kath,shiela,angel
  2,may,ann,janice,aika
  3,christal,justine,kim
  4,kris,allan,jc,mine
  </code></pre>
  
  <p>I want output like:</p>
  
  <pre><code>3,christal,justine,kim
  </code></pre>