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bug#30177: improve shred manpage
From: |
devzero |
Subject: |
bug#30177: improve shred manpage |
Date: |
Fri, 19 Jan 2018 21:53:28 +0100 |
i tried to compare performance of shred and dd, because a colleague told, shred
-n0 -z would be faster.
the shred manpage tells:
If FILE is -, shred standard output
But:
# shred - | pv >/dev/null
shred: - invalid file type
0 B 0:00:00 [ 0 B/s] [<=>
i found https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=155175
as "-" works when redirecting to a file, i assume it doesn't work with a pipe
because shred needs to seek within the file, which is not possible with a pipe.
i think shred -n0 -z could be handled as a special case but it would not be
worth the effort.
could you perhaps enhance the manpage apropriately, as already suggested in the
debian bugreport?
regards
roland
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