From: Alex Eiras <eiras.alex@...>
Date: 2009-04-20T17:22:40+09:00
Subject: Re: 1.8 and 1.9 on arch linux

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> On Mon, Apr 20, 2009 at 8:17 AM, Saji N. Hameed <saji@apcc21.net> wrote:
> >
> >> yes - me!
> >
> > sorry, my reply was incomplete... in my case, i just compiled 1.9
> separately
> > in a separate directory without using the package manager, and aliased
> > the 1.9 version using ruby19 and irb19. In case of 1.9, gems get
> installed
> > under the 1.9 installation root without disturbing the main ruby
> installation.
> > So I guess rake, rdoc etc should work fine if you use either one (1.8 or
> 1.9)
> >
> > i don't know if my answer helps much... :)
>
> I have that much working already :) What I want to do is have the
> default ruby switch between 1.8 and 1.9 when I run a command - right
> now I run 1.8 as 'ruby' and 1.9 as ruby-1.9. I hacked something up by
> manually renaming ruby to ruby-1.8 and adding symlinks, but I was
> hoping there was some sort of standard way to do it.
>
> martin
>

If you are using a Debian based system, you may want to take a look at
update-alternatives: it maintains symbolic links determining default
commands (aka. Debian alternatives system)

Cheers
Alex

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