startup.lua

mob = peripheral.wrap("back")

mob.disableAI()

local ftable = {
    mob.walk,
    mob.look,
    mob.shoot
}

rednet.open("right")
while true do

    id,msg = rednet.receive()

    if id == 67 then
        local cmd = textutils.unserialise(msg)
        ftable[cmd[1]](cmd[2],cmd[3],cmd[4])
        if cmd[1] == 3 and mob.getDocs()
        print(msg)
    end
end