janitors-Mac-mini:~ id$ rvm list
=> system ( ruby -v # => ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin9] )

janitors-Mac-mini:~ id$ rvm install 1.9.1
<i> Installing Ruby from source to: /Users/id/.rvm/ruby-1.9.1-p243 </i>
<i> Downloading ruby-1.9.1-p243, this may take a while depending on your connection... </i>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 8831k  100 8831k    0     0   162k      0  0:00:54  0:00:54 --:--:-- 75728
<i> Extracting ruby-1.9.1-p243 ... </i>
<i> Configuring ruby-1.9.1-p243, this may take a while depending on your cpu(s)... </i>
<i> Compiling ruby-1.9.1-p243, this may take a while, depending on your cpu(s)... </i>
<i> Installing ruby-1.9.1-p243 </i>
<i> Installation of ruby-1.9.1-p243 is complete. </i>
<i> Updating rubygems for ruby-1.9.1-p243 </i>
<i> Installing gems for ruby-1.9.1-p243. </i>
<i> Installing rake </i>
<i> Installation of gems for ruby-1.9.1-p243 is complete. </i>
janitors-Mac-mini:~ id$ rvm install ree
<i> Installing Ruby Enterprise Edition from source to: /Users/id/.rvm/ree-1.8.7-2009.10 </i>
<i> Downloading ruby-enterprise-1.8.7-2009.10, this may take a while depending on your connection... </i>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 7287k  100 7287k    0     0   254k      0  0:00:28  0:00:28 --:--:--  260k
<i> Extracting ruby-enterprise-1.8.7-2009.10... </i>
<i> Installing ree-1.8.7-2009.10, this may take a while, depending on your cpu(s)... </i>
<i> Installing rubygems dedicated to ree-1.8.7-2009.10... </i>
<i> Retrieving rubygems-1.3.5 </i>
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  271k  100  271k    0     0   110k      0  0:00:02  0:00:02 --:--:--  141k
<i> Extracting rubygems-1.3.5 </i>
<i> Installing rubygems for /Users/id/.rvm/ree-1.8.7-2009.10/bin/ruby </i>
<i> Installation of rubygems ree-1.8.7-2009.10 completed successfully. </i>
<i> Installing rake </i>
<i> Installing gems for ruby-1.9.1-p243. </i>
<i> Installing rake </i>
<i> Installation of gems for ruby-1.9.1-p243 is complete. </i>
janitors-Mac-mini:~ id$