title: How do I insert an element directly after another element with XMLStarlet?
body: <p>With this example XML:</p>
  
  <pre><code>&lt;rootnode&gt;
    &lt;element-a /&gt;
    &lt;element-b /&gt;
    &lt;element-d /&gt;
    &lt;element-e /&gt;
  &lt;/rootnode&gt;
  </code></pre>
  
  <p>How do I insert element <code>&lt;element-c/&gt;</code> directly after the element <code>&lt;element-b/&gt;</code> using XMLStarlet?</p>