On Fri, Feb 08, 2019 at 01:47:04PM -0500, Randall S. Becker wrote: > > Though I suspect we may be able to just find a solution that works > > everywhere, without having two different implementations. If we know we > > need $count bytes for dd, we could probably just generate a file with that > > many NULs in it. > > For this, we could use truncate -s count file instead of dd to get a > fixed size file of nulls. This would remove the need for /dev/zero in > t5318 (the patch below probably will wrap badly in my mailer so I can > submit a real patch separately. I don't think "truncate" is portable, though. > > Other cases don't seem to actually care that they're getting NULs, and are > > just redirecting stdin from /dev/zero to get an infinite amount of input. They > > could probably use "yes" for that. > > What about reading from /dev/null? That would yield zero bytes, not an infinite number of them. -Peff
