sweat.rb

#!/usr/bin/env ruby

APPS  = ['Address Book','Calculator','Dictionary','DVD Player','Font Book','iCal','QuickTime Player','Safari']
UTILS = ['Activity Monitor','Console','Disk Utility','Network Utility']

def launch_app(app)
  puts "Launch: #{app}"
  `open /Applications/#{app.sub(' ','\ ')}.app`
end

def launch_util(util)
  puts "Launch: #{util}"
  `open /Applications/Utilities/#{util.sub(' ','\ ')}.app`
end

def launch_apps
  APPS.each { |app| launch_app(app) }
  UTILS.each { |util| launch_util(util) }
end

def kill(app)
  puts "Kill: #{app}"
  `killall "#{app}"`
end

def kill_apps
  APPS.each { |app| kill(app) }
  UTILS.each { |util| kill(util) }
end

10_000.times do |n|
  launch_apps
  sleep(5)
  kill_apps
end