foreach my $pdfFile (@pdfFiles) {
	   print "pdf file is: $pdfFile\n";
	   if (system("unzip $localLocation$pdfFile -d $pdfFilesDir") == 0) {
		# Do nothing.
	   } else {
	      die "Unable to unzip $pdfFile to $pdfFilesDir: $?";
           }
        }