Sender #2 - Gate controller for Jman

-- * configuration
rednet.open("MODEM_SIDE_HERE")
local receiverID = 0

local waitForClose = false
while true do
    local eventData = {os.pullEvent()}
    if eventData[1] == "rednet_message" and eventData[2] == receiverID then
        waitForClose = (eventData[3] == "closeinterface")
    elseif eventData[1] == "key" and eventData[2] == 28 then
        rednet.send(receiverID, waitForClose and "close" or "open")
    end
end