irb tricks

.irbrc

# this code goes into .irbrc file in you home folder

require 'rubygems'
require 'wirble'
require 'awesome_print'
require 'hirb'

# color the ruby console
Wirble.init
Wirble.colorize

# prints the sql query and related details on to console

if ENV.include?('RAILS_ENV') && !Object.const_defined?('RAILS_DEFAULT_LOGGER')
  require 'logger'
  RAILS_DEFAULT_LOGGER = Logger.new(STDOUT)
end

# color the Model(ActiveRecord::Base) output

unless IRB.version.include?('DietRB')
  IRB::Irb.class_eval do
    def output_value
      ap @context.last_value,
        :multiline => false,
        :plain  => false,
        :indent => 2,
      :color => {
        :array      => :white,
        :bignum     => :blue,
        :class      => :yellow,
        :date       => :greenish,
        :falseclass => :red,
        :fixnum     => :blue,
        :float      => :blue,
        :hash       => :gray,
        :nilclass   => :red,
        :string     => :yellowish,
        :symbol     => :cyanish,
        :time       => :greenish,
        :trueclass  => :green
      }
    end
  end
else # MacRuby
  IRB.formatter = Class.new(IRB::Formatter) do
    def inspect_object(object)
      object.ai
    end
  end.new
end

# inorder to see ActiveRecord Table in mysql type view alternate between Hirb.enable(for the told view) and Hirb.disable(for the default view)