--- doc/examples/packet_byte_script.orig	2007-11-09 08:29:45.000000000 +0900
+++ doc/examples/packet_byte_script	2009-06-16 15:35:37.000000000 +0900
@@ -25,7 +25,7 @@
 fi
 
 # where is netperf
-NETPERF_DIR=${NETPERF_DIR:=/opt/netperf2/bin}
+NETPERF_DIR=${NETPERF_DIR:=%%PREFIX%%/bin}
 
 
 # at what port will netserver be waiting? If you decide to run