Joey's_Bartender

function pickEnder(enderNumber,enderChest) --enderNumber is between 0 and 4096, enderChest is the wrapped chest
    b1 = math.floor(enderNumber/ 256) -- find first colour code
    b2 = math.floor((enderNumber - (256 *b1)) / 16)
    b3 = enderNumber % 16
    error = enderChest.setColors(2^b1,2^b2,2^b3)
    return error
end -- ends pickEnder()

function readLookUp(fileName)
  if fs.exists(fileName) then

    local file = fs.open(fileName,"r")
    local data = file.readAll()
    file.close()
    return textutils.unserialize(data)
  else

    local data = {}
    return  data
  end
end

function saveLookUp(data,fileName)
  local file = fs.open(fileName, "w")
  file.write(textutils.serialize(data))
  file.close()
end