Hi,

Jason McIntyre wrote on Fri, Feb 14, 2020 at 07:28:59AM +0000:
> On Thu, Feb 13, 2020 at 11:25:07PM +0100, Jan Stary wrote:

>> * Fix a factual error in the description of bs: it does not
>>   supersede ibs/obs, dd will error out when both are specified.

> i don;t want to comment on this change

In fact, that's a bug in the code.  POSIX requires:

  bs=expr
    Set both input and output block sizes to expr bytes,
    superseding ibs= and obs=. 

  (see https://pubs.opengroup.org/onlinepubs/9699919799/utilities/dd.html )

Yours,
  Ingo

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