-- Read optional field argument

-- Wrap the chest on the right

local chest = peripheral.wrap("right")                                          -- :contentReference[oaicite:0]{index=0} :contentReference[oaicite:1]{index=1}

-- Always inspect slot 1

local slot = 1

local item = chest.getItemDetail(slot)                                          -- :contentReference[oaicite:2]{index=2}

if not item then

  print("No item in slot " .. slot)

  return

end

-- If no field requested, list all keys

if not fieldName then

  print("Fields in item slot " .. slot .. ":")

  for key in pairs(item) do                                                      -- :contentReference[oaicite:3]{index=3}

    print("– " .. key)

  end

  return

end

-- Attempt to fetch the requested field

local value = item[fieldName]

if value == nil then

  error("Field '" .. fieldName .. "' not found on item")

end

-- Helper to pretty-print nested tables

local function dump(v, indent)

  indent = indent or ""

  if type(v) == "table" then

    for k, x in pairs(v) do                                                       -- :contentReference[oaicite:4]{index=4}

      -- If it’s an array-like subtable, use ipairs for numeric indices

      if type(x) == "table" then

        print(indent .. k .. ":")

        dump(x, indent .. "  ")

      else

        print(indent .. k .. ": " .. tostring(x))

      end

    end

  else

    -- Fallback for numbers/strings/booleans

    print(tostring(v))

  end

end

-- Print the requested field

print("Contents of field '" .. fieldName .. "':")

dump(value)