Show a report of the current number of web and worker dynos and the stack used across all your Heroku apps.

heroku-dynos.rb

apps = `heroku apps`.split("\n\n")[0].lines[1..-1].collect{|l| l.strip }
printf("%-20s %4s %4s\n", 'APP', 'WEB', 'BG')
apps.each{|a|
  astats = `heroku ps -a #{a}`
  info = `heroku apps:info -a #{a}`
  access = `heroku access -a #{a}`
  stack = info.scan(/Stack:\s+(.*)/).first.last rescue 'NA'
  web, workers = (astats.match(/web\.\d/).size rescue 0), (astats.match(/worker\.\d/).size rescue 0)
  printf("%-20s %4s %4s %20s\t#{access}\n", a, web, workers, stack)
}