On Sat, Aug 14, 2004 at 11:26:04AM +1200, Volker Kuhlmann wrote:
> > How about using tee(1)? You could have mkisofs write the image to
> > stdout, then use tee to put it into a file as well as pipe it into
> > md5sum.
>
> I've been thinking this myself, but where it falls flat is that it
> requi
> > mkfifo /tmp/pipe
> > md5sum > mkisofs ... | tee -a /tmp/pipe | cdrecord
> $ mkisofs ... | tee >(md5sum) | cdrecord
This one-liner is not equivalent to the 3 lines above, as stdout of
md5sum also goes into cdrecord - this is however the desired effect.
The first 3 lines could be made to achie
On Wed, Aug 25, 2004 at 11:35:19PM +1200, Volker Kuhlmann wrote:
> > $ mkisofs ... | tee >(md5sum) | cdrecord
>
> This one-liner is not equivalent to the 3 lines above, as stdout of
> md5sum also goes into cdrecord - this is however the desired effect.
Oops, sorry!
But the fix is trivial:
$ mki
> > ... _ non-zero _ pad bytes ...
> > A short "is ok" or "better pad 300 kB zeros" would be of help.
>
Joerg > I cannot tell, better you use zeroes.
Thanks, Joerg and Volker, for the advice.
I'll keep padsize=300k with CDs.
> > tradition suggest that TAO mode does not need to know the
> > tra
> But the fix is trivial:
>
> $ mkisofs ... | tee >(md5sum >&2) | cdrecord
That "fix" is unneeded :) because md5sum writes the sum to stdout,
which already goes into cdrecord, so no need to redirect stderr as well.
I tried
bash -c 'echo bla | tee >(md5sum)' | od -tc
There are 2 processes (tee,
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