#!/bin/ruby

# Get the current default sink
default_sink_index = `pacmd list-sinks | grep "\* index:"`.match(/\d/)[0]

# Set the sink to use
new_sink_index = nil
if default_sink_index == '0'
  new_sink_index = '1'
elsif default_sink_index == '1'
  new_sink_index = '0'
end

STDOUT.puts "Going to sink: #{new_sink_index}"

# Use the shellscript to make the change for us
# From http://askubuntu.com/questions/71863/how-to-change-pulseaudio-sink-with-pacmd-set-default-sink-during-playback
`movesinks.sh #{new_sink_index}`