IRB improvements: Command history, coloring, more shell like commands cd, pwd, dir, cat

.irbrc *.rb

# kate: syntax ruby;
# -*- mode: ruby -*-
# vi: set ft=ruby :

# IRB improvements: Command history, coloring, more shell like commands cd, pwd, dir, cat
# Use powerful shell commands
# dir
# dir '**/*.rb'
# cd 'app'
# pwd
# cat 'config/environment.rb'
# dir('vendor/plugins/*').each do |d| inside_dir(d) {`git pull`} end
# Developed by umur dot ozkul at gmail dot com

require 'pp'
require 'irb/completion'
IRB.conf[:PROMPT_MODE] = :SIMPLE
require 'rubygems'
require 'wirble'
#require 'utility_belt' #utility belt is not up-to-date!
Wirble.init
Wirble.colorize

require 'active_support'
require 'fileutils'

alias q exit

# See http://www.ruby-doc.org/core/classes/FileUtils.html
class Object
  def cd d, options={};			FileUtils.cd d, options;  end
  def pwd;			FileUtils.pwd; end
  def dir d='*';	Dir[d]; end
  alias ls dir
  def cat file;		puts `cat #{file}`; end
  def ln_s old, new, options={};	FileUtils.ln_s old, new, options; end
  def mv file, new_file, options={};	FileUtils.mv file, new_file, options; end
  def rm list, options={};					FileUtils.rm list, options; end
  def mkdir dirname, options={};		FileUtils.mkdir dirname, options; end
  def touch list, options={};		FileUtils.touch list, options; end

  def inside_dir d, &block
	b = pwd
	begin
	  cd d
	  block.call
	ensure
	  cd b
	end
  end
end