title: Use Tshark to view json data
body: <p>When I use tshark to decode capfile like this</p>
  
  <pre><code> tshark -V -r test.cap  -Y 'http&gt;0'
  </code></pre>
  
  <p>I got</p>
  
  <pre><code>...
  JavaScript Object Notation: application/json
      Object
          Member Key: "ret"
              Number value: 99
          Member Key: "message"
              String value:test
  </code></pre>
  
  <p>Question is how I can get json data like that use tshark</p>
  
  <pre><code>...
  {"ret":99,"message":"test"}
  </code></pre>