Rbenv::Which

rbenv helper script to switch the version of ruby at runtime.

Add this line to your application's Gemfile:

gem 'rbenv-which'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rbenv-which

require 'rbenv/which'

# run script by ruby 1.9.3-p448
`#{Rbenv.which_ruby("1.9.3-p448")} test_script.rb`

# run script by jruby-1.7.4
`#{Rbenv.which_ruby("jruby-1.7.4")} test_script.rb`

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request