Use cleverer sed pattern to avoid use of head -1.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

diff --git a/tools/examples/vif-common.sh b/tools/examples/vif-common.sh
index 6ce280c4f2af80ed8549d0191bec2ccd9a1afb6a..8dc6d86ac2ceb9de8d89ad3b76772fd0e32afbad 100644 (file)
--- a/tools/examples/vif-common.sh
+++ b/tools/examples/vif-common.sh
@@ -125,7 +125,7 @@ function handle_iptable()
 #
 function ip_of()
 {
-  ip addr show "$1" | awk "/^.*inet.*$1\$/{print \$2}" | sed 's,/.*,,' | head -1
+  ip addr show "$1" | awk "/^.*inet.*$1\$/{print \$2}" | sed -n '1 s,/.*,,p'
 }