~/.profile export GEM_HOME='$(ruby -e 'puts Gem.user_dir')' The recommended way to setup that is by manually specifying your $GEM_HOME, which then can be appended to your $PATH environment variable in order to allow RubyGems binaries to be executed: This is considered the best way to manage gems on Arch, because otherwise they might interfere with gems installed by Pacman. It can be installed with the rubygems package, which is a dependency of ruby.īy default in Arch Linux, when running gem, gems are installed per-user (into ~/.local/share/gem/ruby/), instead of system-wide (into /usr/lib/ruby/gems/). Somewhat comparable to what pacman is to Arch Linux. RubyGems is a package manager for Ruby modules (called gems), The Java implementation of Ruby, JRuby can be installed with the jruby package. You can then query the docs with: ri Array, ri Array.pop etc. Install ruby-rdoc and ruby-docs for the documentation itself. To make documentation available through the ri command-line tool, The easiest way is to use one of RVM, chruby AUR, rbenv, asdf-vm AUR. If you want to run multiple versions on the same system (e.g. To install IRB, install the ruby-irb package.

Ruby is a dynamic, interpreted, open source programming language with a focus on simplicity and productivity.įor the latest version of Ruby, install the ruby package.

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