From: Christopher Dicely <cmdicely@...>
Date: 2009-04-07T13:31:24+09:00
Subject: Re: how to sort a multi-elements array

On 4/6/09, Alexey Zilber <alexeyzilber@gmail.com> wrote:
> Hi,
>
>   Was going through these older posts and have a similar question.  I
> have a nested array that contains a date and a filename. I'm trying to
> sort by file date.
>
> The array is in the form:
>
> SortedFiles = [ [200904031109, "filea.txt"], [200904031337,
> "fileb.txt"], [200904031110, "filec.xt"] ]
>
> What I was trying to do was:
>
> SortedFiles.sort { |[[a,b],[x,y]] a < x | }
>
> That, unfortunately, did not work. I'm using Ruby 1.8.5 btw.  Can anyone
> help out?

SortedFiles.sort_by {|date, fname| date}
or:
SortedFiles.sort {|record1,record2| record1[0]<=>record2[0]}