bot

rednet.open'right'
repeat
    local id,msg,dis=rednet.receive()
    local f,e=loadstring(msg)
    if f then
        local r,err=coroutine.resume(coroutine.create(f))
        if not r then
            print(err)
            rednet.send(id,err)
        end
    else
        print(e)
        rednet.send(id,e)
    end
until _