From b2775888d138215560c5da82b25941ad30ea2da2 Mon Sep 17 00:00:00 2001
From: gwdwyy <wuyanyi09@gmail.com>
Date: Thu, 25 Jul 2013 11:59:41 +0800
Subject: [PATCH] modify demo.cpp

---
 demo.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/demo.cpp b/demo.cpp
index 13e886c..58a0ff4 100644
--- a/demo.cpp
+++ b/demo.cpp
@@ -8,8 +8,13 @@ using namespace std;
 
 using namespace CppJieba;
 
-int main()
+int main(int argc, char ** argv)
 {
+	if(argc < 2)
+	{
+		cerr<<"usage: "<<argv[0]<<" filename"<<endl;
+		return 1;
+	}
 	KeyWordExt ext;
 	ext.init();