add usage

Cepave · Mar 29, 2017 · 5baea89 · 5baea89
1 parent e523bfb
commit 5baea89
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -47,3 +47,9 @@ yum install jq      # in CentOS
 # setup 
 
 fill in the `username`, `password` in `secret.yaml`
+
+# typical use
+
+```
+./history.py 2017-02-28T06:01:00+0800 2017-03-28T06:01:00+0800 c01.i07 | jq '.'
+```