Uses TotalSpaces2 to swap all windows to the other screen

SwapScreens.rb

#!/usr/bin/env ruby

require 'totalspaces2'

displays = TotalSpaces2.display_list

if displays.count != 2
  puts "Must have 2 displays attached"
  exit 1
end


display_ids = displays.map {|display| display[:display_id]}

number_of_spaces = display_ids.map {|display_id| TotalSpaces2.number_of_spaces_on_display(display_id)}
if number_of_spaces[0] != number_of_spaces[1]
  puts "Displays must have the same number of spaces"
  exit 1
end

windows = TotalSpaces2.window_list

windows.each do |window|
  other_display_id = window[:display_id] == display_ids[0] ? display_ids[1] : display_ids[0]
  TotalSpaces2.move_window_to_space_on_display(window[:window_id], window[:space_number], other_display_id)
end