Yet Another Ruby Installer
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Yet Another Ruby Installer: yari

yari lets you install and switch between multiple versions of Ruby. Somewhat inspired by rvm and rbenv for unix like operating systems.

yari does...

  • Install ruby versions defined in the hard-coded registry in the script
  • Download and configures the DevKit so you can install gems with native extensions
  • Let you change ruby versions for your console session
  • Set the ruby version for the machine

How It Works

yari will download and configure ruby to wherever you clone the yari. It will then modify your PATH so that the ruby version chosen will be used.


  1. Check out somewhere (I personally put in in %USERPROFILE%\.yari)

    > cd %USERPROFILE%
    > git clone git:// .yari
  2. Add this location to your PATH

    > setx PATH %USERPROFILE%\.yari\bin

    Note: if you already have something in your USER PATH environment variable this will overwrite it. I'm working on fixing this.

  3. Restart a new shell

Experimental Installation

Copy and paste the following in a Powershell Prompt

    (new-object Net.Webclient).DownloadString("") | iex


  1. Setup your shell session to use ruby 1.9.2

    > yari 1.9.2
    > ruby -v
    ruby 1.9.2p290 (2011-07-09) [i386-mingw32]