title: TCL/tk how to open folder
body: <p>I am trying to open a folder from tcl/tk using the below command</p>
  
  <pre><code>eval exec [auto_execok start] [list $folderpath]
  </code></pre>
  
  <p>it gives me error on syntax is incorrect.</p>
  
  <p>in the tclsh command prompt when I tried 
  <code>start $folderpath</code> the folder opens.</p>
  
  <p>Any help is appreciated.</p>