From: Geoff Davis <geoff@...>
Date: 2006-09-14T21:40:53+09:00
Subject: Re: Rails->breakpointer->irb->debugger?

On Thu, 14 Sep 2006 00:56:04 -0500, Dan Bensen wrote:

> How do you step through your Rails code from irb?  Can you drop into the
> debugger, or do you have put in a zillion breakpoints? Is there a way to
> add & delete breakpoints from irb, or do you have to set them all before
> you request a page?

Check out ruby-debug.  

http://www.datanoise.com/articles/2006/07/12/tutorial-on-ruby-debug

http://blog.nanorails.com/articles/2006/07/14/a-better-rails-debugger-ruby-debug

The docs are a little out of date -- you'll also need to call
Debugger.start before your debugger call.