tmux-bar script improvements

.local/bin/tmux-bar

@@ -26,13 +26,12 @@ while :; do
 		bat="$bat%"
 	fi
 
-	if [ "$(ifconfig iwm0 | grep status | awk '{print $2}')" = "active" ]; then
-		net="$(ifconfig iwm0 | grep "inet " | awk '{print $2}')"
-	else
+	net=$(ifconfig | grep "inet " | tail -1 | awk '{print $2}')
+	if [ "$net" = "127.0.0.1" ]; then
 		net="No Network"
 	fi
 
-	if [ "$(sndioctl output.mute | cut -d'=' -f2)" = "1" ]; then
+	if [ "$(sndioctl -n output.mute)" = "1" ]; then
 		snd="Muted"
 	else
 		snd="Unmuted"