From: "David A. Black" <dblack@...>
Date: 2009-09-16T10:35:20+09:00
Subject: Re: range

Hi --

On Wed, 16 Sep 2009, Glenn Jackman wrote:

> At 2009-09-15 06:23PM, "Rob Biedenharn" wrote:
>>  On Sep 15, 2009, at 6:11 PM, Sebastian Hungerecker wrote:
>>> Am Mittwoch 16 September 2009 00:06:21 schrieb Re BR:
>>>> how can I convert a string '20-30' to a instance range object 20..30
>>>
>>> first, last = '20-30'.split("-")
>>> first.to_i .. last.to_i
>>> #=> 20..30
>>>
>>> HTH,
>>> Sebastian
>>
>>  Or:
>>
>>  string="20-30"
>>  Range.new(*(string.split('-',2).map{|s|s.to_i}))
>
> Or:
>    range = string.match(/(\d+)-(\d+)/) and ($1.to_i .. $2.to_i)

Or:

   range = Range.new(*str.scanf("%d-%d"))


David

-- 
David A. Black, Director
Ruby Power and Light, LLC (http://www.rubypal.com)
Ruby/Rails training, consulting, mentoring, code review
Book: The Well-Grounded Rubyist (http://www.manning.com/black2)