From: "Eustáquio Rangel" Date: 2010-02-21T04:57:49+09:00 Subject: Re: Specifying Ruby Version from Command Line 2010/2/20 Alex DeCaria : > I have two versions of Ruby installed (1.8 and 1.9).  When starting a > Ruby script from the command window, how do I specify which version of > Ruby I want to use?   I'm assuming there is some option for this that I > can set, but I don't know what it is. What OS are you running, and how did you install both versions?