transposerthing.lua

local component = require("component")
local sides = require("sides")
local transposer  = component.transposer

local items = transposer.getAllStacks(sides.top)

print(items.count())
for i=1,items.count() do
  item = transposer.getStackInSlot(sides.top,i)
  if item then
    print(tostring(i) .. ": \"" .. item.name .. "\": \"" .. item.label .. "\"")
  end
end