my ~/.irbrc

.irbrc

require 'irb/completion'
require 'irb/ext/save-history'
require 'pp'

# Load the readline module.
IRB.conf[:USE_READLINE] = true

# Remove the annoying irb(main):001:0 and replace with >>
IRB.conf[:PROMPT_MODE]  = :SIMPLE

# Automatic Indentation
IRB.conf[:AUTO_INDENT]=true

# Save History between irb sessions
IRB.conf[:SAVE_HISTORY] = 100

begin
  require 'wirble'
  Wirble.init
  Wirble.colorize
rescue LoadError => err
  warn "Couldn't load Wirble: #{err}"
end