title: How can I get list of only running instances when using ec2-describe-tags
body: <p>How can I get list of only running instances when using <code>ec2-describe-tags</code>. I am using my command like this:</p>
  
  <pre><code>ec2-describe-tags --filter "resource-type=instance" --filter "value=somevalue" --filter "key=key"
  </code></pre>