[opensuse] burn from dvd to iso format

i need to burn opensuse dvd to iso format so i can store it on my harddisk as local repo. i lost my iso file and downloading is not a good idea if i could just burn from my dvd back to iso. any idea how do i do it? -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org