title: How to test using wildcards whether a file exists in Inno Setup
body: <p>Is it possible to use <code>FileExists</code> or <code>FileSearch</code> (or any other Pascal function) to determine whether a file pattern exists in a given folder?</p>
  
  <p>Eg:</p>
  
  <pre class="lang-pascal prettyprint-override"><code>if (FileExists('c:\folder\*.txt') = True) then
  </code></pre>