get("#363") -- Magic Wand
get("#349") -- table functions

function recttostring(r)
  return r.x..", "..r.y..", "..r.x+r.width..", "..r.y+r.height
end

allrects = {}

for y = 0, img.height-1, 2 do
  for x = 0, img.width-1, 2 do
    r = magicWand(img, x, y)
    
    if r then
      allrects[recttostring(r)] = true
    end
  end
end

result = table.concat(keystolist(allrects), "|")
return "Magic Wand All: "..result

Began life as a copy of #364