Output a list of all versions of Ruby being used in subdirectories based on .ruby-version files used by rbenv.
If you already have ~/bin in your $PATH:
$ ln -s dotruby/dotruby.rb ~/bin/dotruby
$ chmod +x ~/bin/dotruby
Then reload your shell
Run this in your projects folder:
$ cd ~/projects
$ dotruby
Checking /Users/dom/projects
chatty: 2.1.2
internalapp: 2.1.2
knut: 2.1.2
Leave-Management-System: 1.9.3-p448
PunchClockServer: 2.0.0-p353
RescueBoard: 2.2.1
Slogger: 2.1.2
StatusBoard-Panic: test
team_dashboard: 2.1.2
toggl_status_board: 1.9.3-p362