use DBI;
use strict;

my $dbh = DBI->connect("DBI:Oracle:host=172.16.21.16;sid=xxxxxx", 'xxxxx', 'xxxxx') or die "Connecting : $DBI::errstr\n";
$dbh->{LongReadLen} = 512 * 1024;

my $sth = $dbh->prepare("Select TITLE, HEX_PIC from pics");
$sth->execute();
(my $name, my $image) = $sth->fetchrow_array; 


my $output = pack("H*", $image);
print "Content-type: image/gif\n\n";
print $output;
open(FH, ">outfile.gif");
binmode(FH);
undef $/;
print FH pack("H*",$image);
close FH;