Hammerspoon init script that allows 1-9 to move windows into 9ths of the screen

init.lua

function move_to_third(r,c)
  local win = hs.window.focusedWindow()
  local f = win:frame()
  local screen = win:screen()
  local extents = screen:frame()

  f.x = extents.x + (extents.w / 3) * c
  f.y = extents.y + (extents.h / 3) * r
  f.w = extents.w / 3
  f.h = extents.h / 3
  win:setFrame(f)
end

for i=1,9 do
  hs.hotkey.bind({"cmd", "alt", "ctrl"}, tostring(i), function()
    move_to_third(math.floor((i-1)/3),(i-1)%3)
  end)
end