title: How do I append blank spaces to the end of a string using printf?
body: <p>How do I append blank spaces to the end of a string using <code>printf</code>? </p>
  
  <p>I can't find any examples where spaces are appended to the right. <a href="https://stackoverflow.com/questions/293438/left-pad-printf-with-spaces">A similar question</a> I found use <code>printf</code> to add spaces to the <em>left</em> of the string instead.</p>