From c55b2a5a0a889204c04c4b60dc0d891a79fb592f Mon Sep 17 00:00:00 2001
From: shendongming <shendongming2010@gmail.com>
Date: Tue, 5 Aug 2014 09:42:28 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=20mac=2010.9=20=E4=B8=8B=20?=
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OLDGW=`netstat -nr | grep '^default' | grep -v 'ppp' | sed 's/default
*\\([0-9\.]*\\) .*/\\1/' | awk '{if($1){print $1}}'`
去掉 oldgw 前面多余的空行
---
 chnroutes.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/chnroutes.py b/chnroutes.py
index 9c235a2..06bc4e5 100755
--- a/chnroutes.py
+++ b/chnroutes.py
@@ -70,7 +70,7 @@ def generate_mac(metric):
     #!/bin/sh
     export PATH="/bin:/sbin:/usr/sbin:/usr/bin"
     
-    OLDGW=`netstat -nr | grep '^default' | grep -v 'ppp' | sed 's/default *\\([0-9\.]*\\) .*/\\1/'`
+    OLDGW=`netstat -nr | grep '^default' | grep -v 'ppp' | sed 's/default *\\([0-9\.]*\\) .*/\\1/' | awk '{if($1){print $1}}'`
 
     if [ ! -e /tmp/pptp_oldgw ]; then
         echo "${OLDGW}" > /tmp/pptp_oldgw