config_loader.rb in configloader-0.3.0

- old
+ new

@@ -1,10 +1,9 @@
 dependencies = %w(missing_config_file_name_error missing_config_file_error map)
 dependencies.each { |dependency| require "config_loader/#{dependency}" }
 
 module ConfigLoader
-  
   # Let's assume that you have the special file config/database.yml in your Rails project. In this example, you are using CouchDB as your database. This file has the content below:
   # 
   #     development:
   #       server: localhost
   #       port: 5984
@@ -34,15 +33,21 @@
   #     db_config = ConfigLoader.load('database', 'production')
   #     db_config['server']                     # production.server.com
   #     db_config['port']                       # 5984
   #     db_config['database_name']              # addressbook_production
   # 
-  # Finally, you can specify the project root too. If you don't, it will assume the project root is Rails.root. To change it, write:
+  # You can specify the project root too. If you don't, it will assume the project root is Rails.root. To change it, write:
   # 
   # 
   #     db_config = ConfigLoader.load('database', 'production')
   #     db_config = ConfigLoader.load('database', 'test', '/home/user/my_special_project_root')  
+  #
+  # Dinamic keys are also accepted. They're parsed using ERB. So, you're free to write a config file like this:
+  #
+  #     test:
+  #       server: <%= `hostname` %>
+  #       port: 5984
+  #       database_name: addressbook_test
   def self.load(file_name, running_env = Rails.env, project_root = Rails.root.to_s)
     ConfigLoader::Map.new(file_name, running_env, project_root).load
   end
-  
 end