put in ~/.irbrc

irbrc.rb

# vim: set ft=ruby
# 
# Nate Murray's ~/.irbrc
#
# Can be found at:
# http://gist.github.com/6626
# git clone git://gist.github.com/6626.git gist-6626
#
# Include colorization
require 'rubygems'
# https://github.com/carlhuda/bundler/issues/183#issuecomment-1149953
if defined?(::Bundler)
  global_gemset = ENV['GEM_PATH'].split(':').grep(/ruby.*@global/).first
  if global_gemset
    all_global_gem_paths = Dir.glob("#{global_gemset}/gems/*")
    all_global_gem_paths.each do |p|
      gem_path = "#{p}/lib"
      $LOAD_PATH << gem_path
    end
  end
end

require 'wirble'
require 'pry'

Wirble.init
Wirble.colorize

# Pretty Print
require 'pp'

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

# Readline-enable prompts.
require 'irb/completion'
require 'irb/ext/save-history'
ARGV.concat [ "--readline", "--prompt-mode", "inf-ruby" ]
IRB.conf[:USE_READLINE] = true
IRB.conf[:SAVE_HISTORY] = 1000
IRB.conf[:HISTORY_PATH] = File::expand_path("~/.irb.history")

def enable_trace( event_regex = /^(call|return)/, class_regex = /IRB|Wirble|RubyLex|RubyToken/ )
  puts "Enabling method tracing with event regex #{event_regex.inspect} and class exclusion regex #{class_regex.inspect}"

  set_trace_func Proc.new{|event, file, line, id, binding, classname|
    printf "[%8s] %30s %30s (%s:%-2d)\n", event, id, classname, file, line if
      event          =~ event_regex and
      classname.to_s !~ class_regex
  }
  return
end

def disable_trace
  puts "Disabling method tracing"

  set_trace_func nil
end

# clipboard code: http://project.ioni.st/post/1334#snippet_1334
class MacClipboard
  class << self
    def read
      IO.popen('pbpaste') {|clipboard| clipboard.read}
    end
    def write(stuff)
      IO.popen('pbcopy', 'w+') {|clipboard| clipboard.write(stuff)}
    end
  end
end

# automate creating pasties
require 'net/http'
def pastie
  url = 
  pastie_url = Net::HTTP.post_form(URI.parse("http://pastie.caboo.se/pastes/create"),
                                   {"paste_parser" => "ruby",
                                    "paste[authorization]" => "burger",
                                    "paste[body]" => MacClipboard.read}).body.match(/href="([^\"]+)"/)[1]
  MacClipboard.write(pastie_url)
  system("open #{pastie_url}")
  pastie_url
end
alias :pst :pastie

def products(sku, opts={})
  Product.find_by_sku(sku.to_s, opts)
end

def sites(short_name, opts={})
  Site.find_by_short_name(short_name.to_s, opts)
end

$:.unshift(File.expand_path("~/lib/ruby"))

# paste whatever is in the clipboard to gist using gisit from http://gist.github.com/5774
# and MacClipboard code from http://project.ioni.st/post/1334#snippet_1334 
# this goes in your ~/.irbrc
# * todo, change code to update an existing gist
def gistit
  require 'mechanize'
  require 'gistit'
  gist = Gistit.new
  number = gist.paste(MacClipboard.read) # => 12345
  gist_url = Gistit::LOGIN_SUCCESS_URL + number.to_s
  puts "Pastie is now at: #{gist_url}"
  MacClipboard.write(gist_url)
  puts "Saved to clipboard"
  gist_url
end

$:.unshift("./lib")
# require 'irb_rocket'

def linearmap(value, istart, istop, ostart, ostop)
    ostart + (ostop - ostart) * ((value - istart) / (istop - istart))
end

Pry.start
exit