From: Tim Hunter <TimHunter@...>
Date: 2007-06-27T08:29:30+09:00
Subject: Re: Arguments into method calls?

Torrey Slattery wrote:
> I'm working on a program that takes user input via command line, then
> calls whatever method is related to that input text.
>
> For instance, if they type /help it calls the method help, if they type
> /quit it calls the method quit, /time calls time, etc.
>
> Essentially, if they type in something with a slash, I want the program
> to interpret it as a special command, strip off the / and calls a method
> with the leftover text.
>
> I can think of a clunky way to do this using a ton of if/elsif clauses
> and matching regular expressions, but as I eventually plan to have over
> a hundred commands, that doesn't seem pleasant to write at all.
>
> Is there a cleaner way to do this?
>
>   
Check out the __send__ method, which lets you call a method whose name 
is in a variable:

obj.__send__(method_name, args)

-- 
RMagick OS X Installer [http://rubyforge.org/projects/rmagick/]
RMagick Hints & Tips [http://rubyforge.org/forum/forum.php?forum_id=1618]
RMagick Installation FAQ [http://rmagick.rubyforge.org/install-faq.html]