From mboxrd@z Thu Jan  1 00:00:00 1970
From: patroclo7@gmail.com (Giorgio Lando)
Date: Sat, 05 Jan 2008 22:29:56 +0100
Subject: [sup-talk] how to have an hook play a sound
In-Reply-To: <1199558282-sup-230@south>
References: <1199552937-sup-9378@clarabella.clarabella>
	<1199558282-sup-230@south>
Message-ID: <1199568499-sup-4708@clarabella.clarabella>

> Just remove the '@'. The variable 'num' is what you want; '@num' refers
> to a different, instance, variable. @num is undefined, so it defaults to
> 'nil', and that's why the error was about an undefined method on the nil
> object.
> 
> (Incidentally, you can use instance variables to save state between
> successive calls to the same hook. Not useful in this case, but in more
> complex hooks this is handy.)

Thanks, now it sounds properly. As soon as I write something a bit more
elaborate. I will publish it in the wiki for sure.
Giorgio