From: James Edward Gray II <james@...>
Date: 2007-02-20T22:30:05+09:00
Subject: Re: get rid of last element in an array

On Feb 20, 2007, at 7:20 AM, Josselin wrote:

>
> if i have
>
> my_list = "2-131-25-5558-247-68"
>
> and I want to get rid of the last element...

I would use a regular expression:

 >> my_list = "2-131-25-5558-247-68"
=> "2-131-25-5558-247-68"
 >> my_list.sub(/-\d+\Z/, "")
=> "2-131-25-5558-247"

Hope that helps.

James Edward Gray II