Hi,

debian-u...@howorth.org.uk wrote:
> Maybe it is unstated but mandatory to use -n 1 as well?
> And optionally -s N?

Naw. It just doesn't want to work pipes.

Initially i tried with these options:

  shred -n 1 -s 1K -v - | sha256sum

as preparation for a proposal to Gene Heskett, like:
  shred -n 1 -s 2047999968K -v - | tee /dev/sdm1 | sha256sum


> I expect reading the code would tell.

My code analysis is in
  
https://lists.debian.org/msgid-search/1162291656137153...@scdbackup.webframe.org

to...@tuxteam.de found bug 155175 from 2002, which explains why. See
  https://lists.debian.org/msgid-search/zcdxzya0ayrmp...@tuxteam.de


Have a nice day :)

Thomas

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