gistfile1.rb

#!/usr/bin/env ruby

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

require 'rubygems'
require 'wirble'

ARGV.concat [ "--readline", "--prompt-mode", "simple" ]

# History
IRB.conf[:SAVE_HISTORY] = 100
IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb-save-history"

# Eval history, get the last value with _
IRB.conf[:EVAL_HISTORY] = 1000
IRB.conf[:SAVE_HISTORY] = 100

Wirble.init
Wirble.colorize

def bench(n=1e3,&b)
  a=Time.now
  n.to_i.times(&b)
  Time.now-a
end