#!/usr/bin/perl

use strict;
use warnings;

print("Content-Type: application/x-octect-stream\n");
print("\n");

use IO::File ();

my $data = IO::File->new('< file')
or die("Can't open data file: $!$/");

binmode($data);

my $block = '';
while ($data->read($block, 1024)) {
   print $block;
}