1
I keep gettting this error
startup:9: attempt to index ? (a nil value)
have no clue whats wrong whit it all the code looks correct to my eye's
local data = {}
rednet.open("right")
p = peripheral.wrap("bottom")
function checkSlots(id)
data = {}
local slot
local name
local slots = p.getAllStacks()
for i,j in pairs(slots) do
slot = i
name = j["destination"]
-- print(name)
data[slot]=name
end
rednet.send(id,"done")
end
function removeSlot(slot)
p.pushItem("up", slot, 1)
rs.setOutput("left", true)
sleep(1)
rs.setOutput("left", false)
end
function book(slot,id)
p.pushItem("up", slot, 1)
turtle.select(1)
turtle.drop()
sleep(5)
getBook()
turtle.select(1)
turtle.dropDown()
rednet.send(tonumber(id), "done")
end
function getBook()
turtle.suck()
end
function getNames(id)
local nameTbl = textutils.serialize(data)
rednet.send(tonumber(id), nameTbl)
end
while true do
local id, msg, dis = rednet.receive()
local newmsg = string.match(msg, "%a+")
-- print(msg)
if newmsg == "checkSlots" then
checkSlots(id)
elseif newmsg == "getNames" then
getNames(id)
elseif newmsg == "remove" then
removeSlot(tonumber(string.match(msg, "%d+")))
rednet.send(id,"done")
elseif newmsg == "books" then
slot = string.match(msg, "%d+")
book(tonumber(slot), id)
end
end
