title: batch file for making query to use with youtube-dl
body: <p>I want to build a batch program to work with youtube-dl, and I want to ask some questions (choice command I think it should be) and depending on answers to build query which will be executed by main youtube-dl command.</p>
  
  <p>Example:</p>
  
  <pre><code>echo Do you want to extract audio from this clip? (y/n)
  
  echo Write subtitle file? (y/n)
  </code></pre>
  
  <p>And do this at the end: </p>
  
  <pre><code>youtube-dl -x --write-sub  some link
  </code></pre>
  
  <p>I hope I was clear, english is not my first language. Thanks</p>