brundle.rb

require "rubygems"
require "directory_watcher"

unless ARGV[0]
  puts "Usage: brundle.rb [path to watch]"
  exit
end

commands = [
  { :tell => "Firefox", :to => "activate" },
  { :tell => "System Events", :to => "keystroke \"1\" using command down" },
  { :tell => "System Events", :to => "keystroke \"r\" using command down" },
  { :tell => "TextMate", :to => "activate" }
]

dw = DirectoryWatcher.new ARGV[0]

dw.interval = 1.0
dw.glob = "**/*.*" #or just specific files: "**/*.{erb,less,css}"

dw.add_observer {|*args| args.each {|event|
  unless event.type == :added
    commands.each do |command|
      %x[osascript -e 'tell application "#{command[:tell]}" to #{command[:to]}']
    end
  end
  
  puts event
}}

trap("SIGINT") do
  dw.stop
  exit
end

dw.start

while(true) do
  sleep 60
end