rbenv
rbenv (Simple Ruby Version Management) lets you easily switch between multiple versions of Ruby. It is simple, unobtrusive, and follows the UNIX tradition of single-purpose tools that do one thing well.
Another tool to be used for the same purpose is RVM.
Plugins
rbenv can be extended via a plugin system, and the rbenv wiki includes a list of useful plugins. The ruby-build plugin is especially useful, as it allows you to install Ruby versions with the rbenv install command. You can install ruby-buildAUR from the AUR.
gollark: ... no.
gollark: Maybe a web API with a simple frontend for uploading text reports and small files.
gollark: I'll need a way for people to send in spying data, including automatically.
gollark: I have about 2.5TB in mostly unused if somewhat dubious HDDs.
gollark: The main obstacle in the way of the OMSP™ is that I also can't afford much storage.
See also
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