Write a video dvd from a video file in 4 commands

This is more a reminder for myself as I need to do it quite often and always forget how to do it:

ffmpeg -i mymovie.mp4 -target pal-dvd dvd.mpgdvdauthor -o dvd/ -t dvd.mpg(repeat if adding more movies)dvdauthor -o dvd/ -Tgrowisofs -Z /dev/dvd -dvd-compat dvd/