How to type Japanese on ruby console Prepare To check the current ruby version by rbenv : rbenv versions Todo First you have to install readline by homebrew : brew install readline Reinstall Ruby Version, assume your current version is 2.3.1 CONFIGURE_OPTS="--disable-install-doc --with-readline-dir=$(brew --prefix readline)" rbenv install 2.3.1 Now, you can go to irb and type Japanese :) Reference MAC OS ruby console 無法輸入中文 https://ruby-china.org/wiki/rbenv-guide p.p1...
