norman/friendly_id — Issue #194: Using with condition
Author: sev
Created: 2011-12-07 09:08:15+00:00
State: open

Can I use friendly_id somehow like this?

```
class A < ActiveRecord::Base
...
extend FriendlyId
friendly_id :title, :use => :slugged, :unless => :slug?
...
end
```

I want to use friendly_id only if slug attribute is blank.