clientcheck

function getItem()
    turtle.select(1)
    turtle.suck(1)

    local count = turtle.getItemCount(1)
    if count > 0 then
        local item = turtle.getItemDetail()
        turtle.drop(1)
        return item
    else
        return ""
    end
end

function main()
    local modem = peripheral.find("modem", rednet.open)
    local item = getItem()
    while true do
        local id, message = rednet.receive("storage_check")

        if message == "items" then
            rednet.send(id, item["name"], "storage_response")
        elseif string.match(message, "Item: ") then
            local temp = string.sub(message, 7, #message)
            rednet.send(id, temp == item["name"], "storage_response")
        end
    end
end

main()