From c089a89f7d4b0b411da9b3e7dcd5778e6442793b Mon Sep 17 00:00:00 2001
From: Zeno Zeng <zenoofzeng@gmail.com>
Date: Sun, 21 Sep 2014 17:23:49 +0800
Subject: [PATCH] echo -n >

---
 xl2tpd.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xl2tpd.sh b/xl2tpd.sh
index 7a36535..4de8416 100755
--- a/xl2tpd.sh
+++ b/xl2tpd.sh
@@ -21,7 +21,6 @@
 
 PPP_LOG_FILE=/var/log/zjuvpn
 
-
 xl2tpd_restart() {
 
     # for Openwrt / Debian / Ubuntu
@@ -97,9 +96,10 @@ connect() {
 
     prev_count=$(ip addr show | grep 'inet.*ppp' | grep ' 10.5.' | wc -l)
 
-    for i in $(seq 0 120); do
+    for i in $(seq 0 60); do
 
         tail $PPP_LOG_FILE
+        echo -n > $PPP_LOG_FILE
 
         count=$(ip addr show | grep 'inet.*ppp' | grep ' 10.5.' | wc -l)
         if [ ${count} -gt ${prev_count} ]; then