From: Tim Hunter <cyclists@...>
Date: 2004-09-06T10:30:13+09:00
Subject: Re: nuby question

rbrooks wrote:

> Tim,
> 
> Thanks for responding. namelist is just a list of words that I was then
> going to sort. I realize Ruby has a sort method for arrays that takes care
> of this very easily, (took me about half a second to figure that out and
> get it to work, but I was just trying to hand code it to get more familiar
> with the language. Sure it's nothing I would ever use again, but I find
> the more I keep working with a language the quicker I begin to grasp it
> and can begin to do something useful with it. Not sure if the
> each_with_index method would help me here, but it seems apparent that I
> need to really study Enumerable.
> 

Ruby gives you the error message when you reach the last entry in namelist
and you try to reference the last entry + 1.

each_with_index would allow you to write the loop without maintaining a
separate counter variable.