How to Install Ruby and Rails on Mac

Do this to install Ruby and Rails on mac.

$ brew install rbenv ruby-build

# Add rbenv to bash so that it loads every time you open a terminal
$ echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.zshrc

$ source ~/.zshrc

# Install Ruby
$ rbenv install 3.1.0

$ rbenv global 3.1.0

$ ruby -v

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