foreach $cust_bill (
sort $sortby grep(!$saw{$_->invnum}++, @cust_bill)
) {
my($invnum, $owed, $charged, $date ) = (
$cust_bill->invnum,
foreach $cust_bill (
sort $sortby grep(!$saw{$_->invnum}++, @cust_bill)
) {
my($invnum, $owed, $charged, $date ) = (
$cust_bill->invnum,