--- build_test.fns.old	2007-09-03 11:19:01.000000000 +1000
+++ build_test.fns	2007-09-03 12:37:02.000000000 +1000
@@ -55,7 +55,7 @@
 		chmod 0644 "$log" "$err"
 
 		XARGS_I="xargs -i"
-		if [ "`uname`" = "FreeBSD" ]; then
+		if (( ("`uname`" == "FreeBSD") || ("`uname`" == "Darwin") )); then
 			XARGS_I="xargs -I '{}' -R -1"
 		fi
 		find $log -size +40000 | $XARGS_I sh -c 'dd if={} bs=1024 count=20000 of={}.tmp && mv {}.tmp {} &&  echo "\n***LOG TRUNCATED***" >> {}'