title: How to make a text file with a pattern of hex numbers in increasing order using VIM?
body: <p>How we can make a text file with a pattern of hex numbers in increasing order using the VIM editor?
  I need a pattern like below:</p>
  
  <pre><code>0000
  0001
  0002
  ....
  0008
  0009
  000A
  000B
  ....
  000F
  0010
  0011
  ....
  FFFF
  </code></pre>
  
  <p>is it possible with repeat operation?</p>