title: How do I open a file if I only know part of the file name?
body: <p>I need to open a file whose full filename I do not know.</p>
  
  <p>I know the file name is something like.</p>
  
  <pre><code>filename*esy
  </code></pre>
  
  <p>I know definitely that there's only one occurrence of this file in the given directory.</p>