Hi,

allow me to add some comments:

• The line ending of a HTTP header line is CR LF. Most servers and clients are not rigid, but correct is:"...\r\n";
• PDF-Files are binary files. So it's better to force binary read mode with:

  open FILE, "<", $MyPDF;
  binmode FILE;
  [download]

• You read the PDF file line by line into an array. That does not have any advantage in your case because you read in the whole file before printing it out. Therefor you could also do the following:

  binmode STDOUT;
  # read the whole file
  my $file = do { local $/ = undef; <FILE> };
  my $length = length $file
  # additional header
  print "Content-Length: $length\r\n";
  print "\r\n"; # http header end
  print $file;
  [download]

  Sending the content-length to the client has the advantage that the client can give you a forecast about the remaining time of download. Test it with a BIG pdf file. You'll see the difference.

Regards
McA