title: Windows batch script to find string from html file and copy it to text file
body: <p>So, i have html file with a line like:</p>
  
  <pre><code>&lt;script data-cfasync="false" type="text/javascript"&gt; fid="RandonString"; v_width=620; v_height=490;&lt;/script&gt;
  </code></pre>
  
  <p>My task is to find <strong>fid="RandomString"</strong> and copy everything between "" to a text file without using any external software.
  RandonString is 2-100 characters long.</p>