A wrapper for linux airfoilspeakers command to restart when it inevitably crashes.

airfoil_wrapper.rb

#!/usr/bin/env ruby
# Ctrl-C
Signal.trap 'INT' do
  puts "Exiting!"
  exit(0)
end

puts "Starting Airfoil Speakers..."

while 1
  `airfoilspeakers`
  error_code = !$?.success?
  if error_code
    puts "Trapped exit code #{$?}! Restarting..."
    sleep(2)
  else
    break
  end
end

puts "Done."