title: need a shell script to convert big endian to little endian
body: <p>I need a shell script program to print the hexadecimal number from big endian to little endian</p>
  <h3>For example</h3>
  <ul>
  <li>Input: <code>my virtual address = 00d66d7e</code></li>
  <li>Output: <code>7e6dd600</code></li>
  </ul>
  <p>How can I can I create this in a bash script?</p>