Forked from Ryan Bates’ dotfiles repository and Joe-ized. Ryan’s irbrc stuff was particularly helpful to me.

git clone git://github.com/joealba/dotfiles ~/.dotfiles
cd ~/.dotfiles

## modify the configs to make it your own

rake install

I am running on Mac OS X, but it will likely work on Linux as well with minor fiddling.

If there are some shell configuration settings which you want secure or specific to one system, place it into a ~/.localrc file. This will be loaded automatically if it exists.

There are several features enabled in Ruby’s irb including history and completion. Many convenience methods are added as well such as “ri” which can be used to get inline documentation in IRB. See irbrc and railsrc files for details.