#!/usr/bin/perl
use warnings;
use strict;

$/ = "\n\n";

while (<>) {
    my @result;
    if (     /objectClass:\s+account/
         and /objectClass:\s+ifastUser/
         and my ($prods) = /ifastProducts:\s+(.+?)\s*$/mg # The /m is important here.
         and my ($user)  = /dn: uid=(\w+?),./g) {
        push @result, $prods, $user;
        print join '|', @result;
        print "\n";
    }
}