require dlopen rvm ruby rails

/Users/bparanj/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/irb/completion.rb:10:in `require': dlopen(/Users/bparanj/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/x86_64-darwin13/readline.bundle, 9): Library not loaded: /usr/local/opt/readline/lib/libreadline.6.dylib (LoadError)

Use:

group :development, :test do
  gem 'rb-readline'
end

and install the gem. Now the rails console will work.