make rtbtool a proper script

Author: petercorke

examples/rtb.py renamed to examples/rtbtool

@@ -39,7 +39,7 @@
     help='input prompt')
 parser.add_argument('--resultprefix', '-r', default=None,
     help='execution result prefix, include {} for execution count number')
-parser.add_argument('--showassign', '-a', default=False,
+parser.add_argument('--showassign', '-a', default=False, action='store_true',
     help='display the result of assignments')
 args = parser.parse_args()
 

setup.py

@@ -130,6 +130,8 @@ def package_files(directory):
 
     include_package_data=True,
 
+    scripts = ['examples/rtbtool'],
+
     install_requires=req,
 
     extras_require={