Emergancy Shutdown Floppy, Is It Possible?

Emergancy Shutdown Floppy disks, Are they possible to make? If so that may be pretty useful.

What would an "emergency shutdown floppy" do?

Shut down a computer.

Firstly, I don't know.
Secondly, some advice before a pro gets on and gives you better info. You would need a function like:

function turnOff()
    while true do
        local event, side = os.pullEvent()
        if event == "disk" then
            os.shutdown()
        end
        sleep(1)
    end
end

Which runs parallel to whatever your program is doing in the meantime. This might work?

campicus, on 04 August 2013 - 10:13 PM said:

Firstly, I don't know.
Secondly, some advice before a pro gets on and gives you better info. You would need a function like:

function turnOff()
    while true do
        local event, side = os.pullEvent()
        if event == "disk" then
            os.shutdown()
        end
        sleep(1)
    end
end

Which runs parallel to whatever your program is doing in the meantime. This might work?

sleep(1) might cause you to miss a disk event if it happens in that one second after a different event.

No, you can't make a floppy that shuts down a computer when inserted, unless the computer is already running code which expects that possibility.

immibis is correct; Just want to add that if you need to shut down a computer in a hurry, your best bet is ctrl+s, which will force a computer to shut down, whether the program wants to or not.