Gilluminate » gems http://www.gilluminate.com By Jason Gill Sat, 28 Jan 2012 21:01:18 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Force Rails Version When Creating a New App http://www.gilluminate.com/2009/06/05/force-rails-version-when-creating-a-new-app/ http://www.gilluminate.com/2009/06/05/force-rails-version-when-creating-a-new-app/#comments Fri, 05 Jun 2009 21:27:58 +0000 Jason Gill http://blog.gilluminate.com/2009/06/05/force-rails-version-when-creating-a-new-app/ I have multiple versions of the Rails gem installed on my development server. We’ve been using Rails long enough now that we have many apps created for many versions. As I make changes to each app I need to test them in their specific version (the version listed in the environment.rb file) so having multiple Rails versions installed is a necessity.

But if I try to spin up a new application using

$rails new_app

I get a rails app created specifically for the latest version of Rails installed.

But what if you need to create a new app for an older version of rails that is also installed? The following easy command does the trick:

$rails _1.2.3_ new_app

Where 1.2.3 is the desired version of Rails I want new_app to run. Note the underscores before and after the version.

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