--- pkg-size.orig	2004-02-03 14:51:52.000000000 -0500
+++ pkg-size.orig	2004-02-03 14:52:10.000000000 -0500
@@ -48,7 +48,7 @@ 
 
 pkgname=`echo $file | sed -e "s:\/var\/db\/pkg\/::" -e "s:\/CONTENTS::"`
 
-totals=`cat $file|grep "obj"|awk '{ print $2 }' | sed "s/ /\\ /" | xargs du -scb | grep total | cut -f 1`
+totals=`cat $file|grep "obj"|awk '{ print $2 }' | sed "s/ /\\ /" | xargs -r du -scb | grep total | cut -f 1`
 
 size=0
 for i in $totals ; do