diff --git a/test/tt.py b/test/demo.py
similarity index 100%
rename from test/tt.py
rename to test/demo.py
diff --git a/test/jiebacmd.py b/test/jiebacmd.py
new file mode 100644
index 0000000..f80f1e9
--- /dev/null
+++ b/test/jiebacmd.py
@@ -0,0 +1,28 @@
+'''
+usage example (find top 100 words in abc.txt):
+
+cat abc.txt | python jiebacmd.py | sort | uniq -c | sort -nr -k1 | head -100
+
+
+'''
+
+
+import sys
+sys.path.append("../")
+
+import jieba
+
+default_encoding='utf-8'
+
+if len(sys.argv)>1:
+	default_encoding = sys.argv[1]
+
+while True:
+	line = sys.stdin.readline()
+	if line=="":
+		break
+	line = line.strip()
+	for word in jieba.cut(line):
+		print word.encode(default_encoding)
+
+