title: Can Jenkins pipeline function fileExist handle wildcards?
body: <p>Can Jenkins pipeline function fileExist handle wildcards?
  I do have a zip file in the workspace folder. Following code gives <code>hifalse</code>:</p>
  
  <pre><code>WORKSPACE = pwd()
  echo "hi"+fileExists("${WORKSPACE}/*.zip*")
  </code></pre>
  
  <p>but then how can I do it?</p>