From: Stephen White <spwhite@...>
Date: 2001-02-20T20:27:22+09:00
Subject: [ruby-talk:11166] Re: One source tree for Ruby & modules

On Tue, 20 Feb 2001, Guy N. Hurst wrote:

> My sysadmin and I have managed to implement multiple simultaneous versions
> of ruby on the same system in a methodic manner. Any given version of ruby
> is accessed via "rubyNNN", e.g. "ruby162". The most current version of
> ruby is additionally accessible via "ruby". So, for example, when I write
> a script now, I specify ruby162.

That sounds like an excellent way of handling this. If this were made
standard, then people could select the level of backwards combatibility
that they want to have.

> But that would require a mandated, standard means of maintaining multiple
> installations of ruby on any given system.

Sounds good to me! Another interesting possibility - what if multiple
running Ruby's were able to call into each other? Out of date libraries
can run in an older version of Ruby and be called by newer versions.

What a migration path that would make!

-- 
  spwhite@chariot.net.au