thanks a lot!

This works perfectly:

  open my $fh, "pdftohtml -noframes -stdout $pdf |" or die "Can't run 
+pdftohtml: $!";
  while (<$fh>) {
    &func($_);
  }
  close($fh);
[download]

option -stdout is needed (in case s.o.else is searching) to catch the output.

have a nice Subday
Carl