Mag card writer

local mag_rw = peripheral.find("mag_reader_writer")

print("Track 1, 79 alphanumeric characters:")
local track0 = read()
print("Track 2, 40 numeric characters:")
local track1 = read()
print("Track 3, 107 numeric characters:")
local track2 = read()

mag_rw.write(0, track0)
mag_rw.write(1, track1)
mag_rw.write(2, track2)

print("Please swipe mag card now")

while true do
    local event = os.pullEvent("mag_swipe")
    if event then
        mag_rw.clear()
        break
    end
end