Fahrstuhl

    a=true
    while a == true do
    rednet.open("back")
    sleep(1)
    shell.run("clear")
    print("**********************")
    print("*      [2] 2. OG     *")
    print("*      [1] 1. OG     *")
    print("*      [E] EG        *")
    print("*      [U] UG        *")
    print("**********************")
    write(" Auswahl : ")
    auswahl = io.read()
    if auswahl =="U" then
     rednet.send(236,"up")
    -- y,x,z = rednet.receive()
    -- print(x)
    elseif auswahl == "D" then
     rednet.send(236,"down")
    -- y,x,z = rednet.receive()
    -- print(x)
    elseif auswahl == "1" then
     rednet.send(236,"1OG")
    elseif auswahl == "2" then
     rednet.send(236,"2OG")
    elseif auswahl == "E" then
     rednet.send(236,"eg")
    elseif auswahl == "U" then
     rednet.send(236,"ug")
    else
     return
    end
    end