Updated abbreviation example to use new cmd2 function to resolve command functions

Author: kmvanbrunt

examples/hooks.py

@@ -84,12 +84,12 @@ def downcase_hook(self, data: cmd2.plugin.PostparsingData) -> cmd2.plugin.Postpa
 
     def abbrev_hook(self, data: cmd2.plugin.PostparsingData) -> cmd2.plugin.PostparsingData:
         """Accept unique abbreviated commands"""
-        target = 'do_' + data.statement.command
-        if target not in dir(self):
+        func = self.cmd_func(data.statement.command)
+        if func is None:
             # check if the entered command might be an abbreviation
-            funcs = [func for func in self.keywords if func.startswith(data.statement.command)]
-            if len(funcs) == 1:
-                raw = data.statement.raw.replace(data.statement.command, funcs[0], 1)
+            possible_cmds = [cmd for cmd in self.keywords if cmd.startswith(data.statement.command)]
+            if len(possible_cmds) == 1:
+                raw = data.statement.raw.replace(data.statement.command, possible_cmds[0], 1)
                 data.statement = self.statement_parser.parse(raw)
         return data