title: grep command or awk to get particular data
body: <p>i have a large text file</p>
  
  <pre><code>https://www.google.com/
  https://www.google.com/hello?url=xxxxxx
  https://www.google.com/admin?x=y&amp;file=zzz
  https://www.google.com/abc.png
  https://www.google.com//abc.png
  https://www.google.com/abc.svg
  https://www.google.com/abc.jpg
  https://www.google.com/admin?x=aaa&amp;file=yyyy
  https://www.google.com/hello?
  </code></pre>
  
  <p>all i want is urls with paramaters but same parameters shouldn't be their with different value</p>
  
  <pre><code>https://www.google.com/hello?url=xxxxxx
  https://www.google.com/admin?x=y&amp;file=zzz
  </code></pre>
  
  <p>i want this result</p>