add example baconscript file, with documentation

README.md

@@ -29,12 +29,14 @@ Edit `server.cfg` to the correct values for your Hog4.
 $ ./comment.py
 Adding Hog device at net# 1
 comment# GL1
-(macro GL
-  (target
-    (number 1)))
 Go on List 1
 comment# exit
-Goodbye.
+```
+
+Run a baconscript file by passing the script file to `comment.py` as standard input.
+
+```bash
+$ ./comment.py < example.bs
 ```
 
 ## Developing

example.bs

@@ -0,0 +1,10 @@
+GM*
+GM1:AM2:HM3
+RM*
+RA
+FM1/50
+FGM20
+GL1/5
+AS3
+RK2
+CP+