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@uupaa
Last active September 6, 2016 12:30
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quick setup rbenv + ruby gem environment in Mac El Capitan

setup rbenv + ruby gem environment

http://qiita.com/ringo/items/4351c6aee70ed6f346c8 を参考に

$ brew install rbenv ruby-build rbenv-gemset

# .zshrc に PATH と rbenv の初期化コードを追加

export PATH="~/.rbenv/bin:$PATH" # in .zshrc
eval "$(rbenv init -)"           # in .zshrc


$ rbenv install -l    # インストール可能なruby version の一覧を表示
$ rbenv install 2.3.0 # 最新安定版をインストール
$ rbenv global 2.3.0  # v2.3.0を使用するように設定
$ rbenv rehash        # これも必要

# 確認
$ rbenv versions
>   system
> * 2.3.0 (set by ~/.rbenv/version)

$ ruby -v
> ruby 2.3.0p0 (2015-12-25 revision 53290) [x86_64-darwin15]

$ which gem
> ~/.rbenv/shims/gem

$ brew install readline libiconv openssl # 一部のgemで必要らしい

$ gem install bundler # パーミッションが存在しないというエラーが出る場合は
                      # rbenvが有効になっていないので、最初から手順を確認
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