From 97d376fa590b8c8e7e89b622055d9d60ac6383c4 Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Thu, 10 Jan 2013 20:42:14 +0100
Subject: enable autodetection of interfaces in groups

If the given interface on the command line is a group, all interfaces
in this group (that are up) are monitored. While you are using this
mechanism, you will never any warnings of down interfaces unless you
explicit specify the interface on the command line.
---
 net_if | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/net_if b/net_if
index e7825ec..8d6f71d 100755
--- a/net_if
+++ b/net_if
@@ -39,12 +39,12 @@ sub get_if_status {
         }
 
         while (<IFCONFIG>) {
-            if ($_ =~ m/^$if: flags=([0-9]+)</) {
-                if ($1 & 1) {
-                    push(@up, $if);
+            if ($_ =~ m/^([-a-v0-9]+): flags=([0-9]+)</) {
+                if ($2 & 1) {
+                    push(@up, $1);
                 }
                 else {
-                    push (@down, $if);
+                    push (@down, $if) if $1 eq $if;
                 }
             }
         }
-- 
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