From: Evgeniy Dolzhenko <dolzenko@...>
Date: 2008-10-22T00:39:56+09:00
Subject: Re: Stripping characters off a string

Isn't it like
a = a[0..-5]
is what you are looking for?

On Tue, Oct 21, 2008 at 7:28 PM, Chris Causer <chy.causer@gmail.com> wrote:
> Hi everyone,
>
>
> I know this is an easy question, but I want to know the best way to do this
> (i.e. the most Rubyesque).
>
> How do I strip the last four characters off a string of undetermined length?
> I'm sure it is a one liner and doesn't require regexp. I currently have:
>
> irb(main):010:0> a='80/tcp'
> => "80/tcp"
> irb(main):011:0> a[0,a.length-4]
> => "80"
>
> irb(main):010:0> b='5666/tcp'
> => "5666/tcp"
> irb(main):011:0> b[0,a.length-4]
> => "5666"
>
> Which is two lines, but I'm hoping you smart guys can help me out ;) I'm
> guessing "chop" would work, but I'm not sure if that's the most elegant
> solution
>
> Cheers,
>
> Chris
>