From: Simon Krahnke <overlord@...>
Date: 2008-10-31T07:34:14+09:00
Subject: Re: how to sort this array

* Li Chen <chen_li3@yahoo.com> (22:14) schrieb:

> files=[
>   "c:/ruby/self/2004/20.txt",
>   "c:/ruby/self/2004/3.txt",
>   "c:/ruby/self/2004/2.txt",
>   "c:/ruby/self/2004/10.txt",
>   "c:/ruby/self/2004/1.txt"
> ]
>
> expected results:
> [
> "c:/ruby/self/2004/1.txt",
> "c:/ruby/self/2004/2.txt",
> "c:/ruby/self/2004/3.txt",
> "c:/ruby/self/2004/10.txt",
> "c:/ruby/self/2004/20.txt",
> ]

files.sort_by { | fn | fn.match(/(\d+)\.txt$/)[1].to_i }

mfg,                   simon .... hth