diff --git a/.irbrc b/.irbrc
new file mode 100644
index 0000000..9fab231
--- /dev/null
+++ b/.irbrc
@@ -0,0 +1,71 @@
+#!/usr/bin/ruby
+require 'irb/completion'
+require 'irb/ext/save-history'
+
+IRB.conf[:SAVE_HISTORY] = 1000
+IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb_history"
+
+IRB.conf[:PROMPT_MODE] = :SIMPLE
+
+%w[rubygems looksee/shortcuts wirble].each do |gem|
+  begin
+    require gem
+  rescue LoadError
+  end
+end
+
+class Object
+  # list methods which aren't in superclass
+  def local_methods(obj = self)
+    (obj.methods - obj.class.superclass.instance_methods).sort
+  end
+
+  # print documentation
+  #
+  #   ri 'Array#pop'
+  #   Array.ri
+  #   Array.ri :pop
+  #   arr.ri :pop
+  def ri(method = nil)
+    unless method && method =~ /^[A-Z]/ # if class isn't specified
+      klass = self.kind_of?(Class) ? name : self.class.name
+      method = [klass, method].compact.join('#')
+    end
+    system 'ri', method.to_s
+  end
+end
+
+def copy(str)
+  IO.popen('pbcopy', 'w') { |f| f << str.to_s }
+end
+
+def copy_history
+  history = Readline::HISTORY.entries
+  index = history.rindex("exit") || -1
+  content = history[(index+1)..-2].join("\n")
+  puts content
+  copy content
+end
+
+def paste
+  `pbpaste`
+end
+
+load File.dirname(__FILE__) + '/.railsrc' if ($0 == 'irb' && ENV['RAILS_ENV']) || ($0 == 'script/rails' && Rails.env)
+
+require "rubygems"
+require "awesome_print"
+
+unless IRB.version.include?('DietRB')
+  IRB::Irb.class_eval do
+    def output_value
+      ap @context.last_value
+    end
+  end
+else # MacRuby
+  IRB.formatter = Class.new(IRB::Formatter) do
+    def inspect_object(object)
+      object.ai
+    end
+  end.new
+end
diff --git a/bash/env b/bash/env
index dbdf8e9..80a5525 100644
--- a/bash/env
+++ b/bash/env
@@ -2,7 +2,7 @@ export PATH="~/bin:~/.bin:/usr/local/homebrew/bin:/usr/local/bin:/usr/local/sbin
 
 # Set PATH, CDPATH, EDITOR, etc.
 
-export EDITOR="mate_wait"
+export EDITOR="subl -w"
 export CLICOLOR=1
 export LSCOLORS=Exfxcxdxbxegedabagacad