1.6. Logging

Most programming contexts in Rails (models, controllers, view templates) have a logger attribute, which holds a reference to a logger conforming to the interface of Log4r or the default Ruby 1.8+ Logger class. Can’t get a reference to logger somewhere in your code? The Rails.logger method references a logger that you can use anywhere.

It’s really easy to create a new Logger in Ruby, as shown in the following example: