run ruby from emacs buffer

Question

How can I run a ruby piece of code from a buffer, without actually saving the buffer in a file? A scenario would be to a) switch to the scratch buffer b) M-x ruby-mode c) type

Answer 1

A few options for you to try

1. Rinari from Github

It claims to be

aimed towards making Emacs into a top-notch Ruby and Rails development environment

2. ruby-compilation.el is what you need.

There's a thread on that here which I have used and found helpful.

Chris