From: Brian Mitchell <binary42@...>
Date: 2006-10-14T07:42:47+09:00
Subject: Re: Sorting through an array of an array

On 10/13/06, Dominic Son <dominicson@gmail.com> wrote:
> Hello.
>
> Each of my arrays look like this:
> container[0] = ["foo", "bar", "baz"]
> container[1] = ["doo", "poo", "woo"]
>
> i'd like to sort by  the second position (bar, and poo)
> and of course,affecting the whole row, so that "bar" should be on top,
> along with "foo" and "baz" as container[0].
>
> What method should i use?

Actually, the better way to sort in this scenario is to use sort_by.

container.sort_by {|x| x[1]}

No need to mess with the <=> operator by hand.

Brian.