title: Ghostscript: how to merge PDFs with wild card on Windows
body: <p>I'm trying to merge all *.pdf in directory :</p>
  
  <pre><code>gswin64c -q -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=Total_Files.pdf -dBATCH *.pdf
  </code></pre>
  
  <p>This is perfectly work for me on Linux, but when I run it on Windows
  I'm getting <code>**Error: /undefinedfilename in *.pdf.**</code>.
  Please could some one help me with this.</p>