Dan Benjamin has a very clear walkthrough on installing Ruby from
scratch on OS X:

http://hivelogic.com/articles/2008/02/ruby-rails-leopard

It doesn't conflict with Apple's version of Ruby.



On Jun 20, 12:34 ¨Βν¬ ΆΞατιοξ¬ ΓαςεωΆ ΌΓαςεω®Ξατ®®®ΐτυςξες®γονχςοτεΊ
> >>would just grab the tarball for 1.9 and run ./configure --program-
> >>>suffix=19.  ¨Βου αμςεαδθαφε αμτθπιεγεσ ωοξεεδ>
> [Nation, Carey]
> Maybe.  ¨Βγοξζιηυςτεμμωοτθατ ηγγαξ§γςεατε εψεγυταβμεσ¬
> install xcode 2.x if you don't have it.