From: Dave Bass <davebass@...>
Date: 2008-05-29T20:27:28+09:00
Subject: Re: How do I remove version 1.8.5 so that 1.8.6 will work on os

Robb Lovell wrote:
> I have two ruby installs on os X after migrating from tiger to leopard.
> The old one, version 1.8.5 is active and doesn't work, the new one,
> version 1.8.6 is installed, but not active.  How do I correct the
> situation?

A common approach is to install in directories that reflect the version 
number, say ruby1.8.5 and ruby1.8.6, located wherever convenient, and 
then set /usr/bin/ruby to be a symbolic link to the required directory. 
Once the new version has been installed and tested, you change the link 
to point to the new directory rather than the old one. (If you 
subsequently have problems, it's easy to revert!)
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