I think rvm could have a lot more Ruby code in it- Wayne (the author) does a lot of things in shell that could feasibly be abstracted away in Ruby. I happen to

I think rvm could have a lot more Ruby code in it- Wayne (the author) does a lot of things in shell that could feasibly be abstracted away in Ruby. I happen to really like that, although I think it goes against the grain of what most Rubyists think- others would probably do the bare minimum in shell and quickly jump into Ruby as soon as it was feasible.