irb & script/console tips Posted by Dan Croak Dec 23 Let’s get interactive. You can learn a lot about your application from irb & by extension, script/console. Wirble: colors Color matters. You’re picky about your text editor syntax highlighting and maybe you use the excellent redgreen gem for colors in your test backtraces. Gotta have it in irb, too. First, install Wirble: sudo gem install wirble