command line parser add --exclude

src/cmdline_parser.py

@@ -11,6 +11,8 @@ cmd_parser.add_argument("path")
 cmd_parser.add_argument("pattern")
 # if -s is found in the command line cmd_args.show_children_nodes is True
 cmd_parser.add_argument("-s", "--show-children-nodes", action="store_true")
+## more than one occurrencies of -e option are appended in a list
+cmd_parser.add_argument("-e", "--exclude", action="append")
 
 # start the command line parsing
 cmd_args = cmd_parser.parse_args()