--- net.lo-orig	2011-05-09 18:21:57.453715229 -0700
+++ net.lo	2011-05-09 18:54:22.159154182 -0700
@@ -58,7 +58,7 @@
 	fi
 
 	eval _a=\$$1
-	printf "%s" "${_a}"
+	printf "%s" "${_a}" | sed -e 's/^\s*//' -e 's/\s*$//'
 	printf "\n"
 	[ -n "${_a}" ]
 }