Save and restore workspace positions in linux

move-windows.rb

#!/usr/bin/env ruby

# Usage:
# cmd: move-windows.rb save
#  to save current windows workspaces to a move-windows.save file
# cmd: move-windows.rb
#  to adjust windows workspaces according to the positions in the saved file

location = File.dirname(__FILE__)
save_filepath = "#{location}/move-windows.save"

if ARGV[0]=="save"
  windows = `wmctrl -l`
  File.write(save_filepath, windows)
else
  window_postions = `wmctrl -l`
  saved_window_postions = File.read(save_filepath)
  positions = {}

  saved_window_postions.split("\n").each do |window_line|
    window_id = window_line.split(" ").first
    desktop_id = window_line.squeeze(" ").split(" ")[1]

    window_name = window_line.split(" ")[3..-1].join(" ")
    positions[window_name] ||= []
    positions[window_name] << desktop_id
  end

  window_postions.split("\n").each do |window_line|
    window_id = window_line.split(" ").first
    window_name = window_line.split(" ")[3..-1].join(" ")
    desktop_id = window_line.squeeze(" ").split(" ")[1]

    saved_desktop_ids = positions[window_name]
    if saved_desktop_ids && saved_desktop_ids.length==1
      saved_desktop_id = saved_desktop_ids.first
      if saved_desktop_id != desktop_id
        `wmctrl -ir #{window_id} -t #{saved_desktop_id}`
      end
    end
  end
end