From: Rob Biedenharn <Rob@...>
Date: 2009-09-16T07:23:00+09:00
Subject: Re: range

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}))

in English, split the string into at most two parts at the '-', map  
those parts as integers, and use them to build a new Range.

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com