title: How to copy files with special characters in their names with TCL's exec?
body: <p>I'm trying to upload files containing special characters on our platform via the <code>exec</code> command but the characters are always interpreted and it fails.</p>
  
  <p>For example if I try to upload a <strong>mémo.txt</strong> file I get the following error: </p>
  
  <blockquote>
    <p>/bin/cp: cannot create regular file `/path/to/dir/<strong>m\351mo.txt</strong>': No such file or directory</p>
  </blockquote>
  
  <p>The UTF8 is correctly configured on the system and if I run the command on the shell it works fine. </p>
  
  <p>Here is the TCL code:
  <code>exec /bin/cp $tmp_filename $dest_path</code></p>
  
  <p>How can I make it work?</p>