Installing Ruby 1.9.3 with rbenv on OS X

gistfile1.sh

# The latest version of this script is now available at
# https://github.com/jasoncodes/dotfiles/blob/master/aliases/rbenv.sh

VERSION=1.9.3-p286
brew update
brew install rbenv ruby-build rbenv-vars readline ctags
if [ -n "${ZSH_VERSION:-}" ]; then
  echo 'eval "$(rbenv init - --no-rehash)"' >> ~/.zshrc
else
  echo 'eval "$(rbenv init - --no-rehash)"' >> ~/.bash_profile
fi
eval "$(rbenv init - --no-rehash)" # load rbenv in the current shell
CONFIGURE_OPTS="--disable-install-doc --with-readline-dir=$(brew --prefix readline)" rbenv install $VERSION
rbenv global $VERSION
gem install --no-ri --no-rdoc bundler rbenv-rehash git-up hitch gem-browse gem-ctags cheat awesome_print pry
gem ctags

Thank you. Scratching my head for a while. No one else mentioned rbenv-vars.

helpful! thank you. i use "brew install rbenv ruby-build rbenv-vars readline ctags" and "rbenv -global xxx" fix my upgrade ,do you know why i use rbenv upgrade it but still at old version? anyway , it's work! thank you very much