From 06399ef331ca8269d39b7f4ee36d1c33ff1e7994 Mon Sep 17 00:00:00 2001
From: YuYang <yyangplus@gmail.com>
Date: Mon, 4 Sep 2017 14:45:09 +0800
Subject: [PATCH] notify user to install bc

---
 start.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/start.sh b/start.sh
index 60b4d0df..59176a4c 100755
--- a/start.sh
+++ b/start.sh
@@ -32,6 +32,11 @@ do
     esac
 done
 
+if ! type "bc" > /dev/null 2>&1; then
+    echo "please install bc"
+    exit
+fi
+
 allcmask0x=`cat ${conf}|grep lcore_mask|awk -F '=' '{print $2}'`
 ((allcmask=16#$allcmask0x))