> DESCRIPTION
>      The split utility reads the given file (or standard input if no file is
>      specified) and breaks it up into files of 1000 lines each.
>
> Just look at the manpage... it can work with options like -b 666000k
> And it can read from stdin. But it can't write to stdout AFAIK. But this could

but you can make fifos with names xaa xab xac beforehand and then run
cdrecord for first, second etc...