How to run Ruby from Komodo Edit 4
ActiveState has released Komodo Edit 4 for free. While basic, it offers a few interesting features including code AutoCompletion. Make sure to give it a try here.
Once installed, you may find yourself puzzled by the lack of an F5 or one-click Run option. I’ve put together a small screencast that shows how to associate the F5 key with the execution of the current open ruby file.