[Toybox] dd tests for transaction size?

[enh]

It's used in various boot disk generation scripts in the Android tree.
(Whether it's needed is a question I can't answer as easily!)

On Jul 9, 2017 15:07, "Rob Landley" <rob at landley.net> wrote:

On 07/09/2017 02:41 AM, Rob Landley wrote:
> does anybody have a decent strategy for testing the ibs
> and obs options?

Has anybody actually used the conv=sync option in the past 20 years? It
doesn't do what you think (that's conv=fsync), instead it pads short
reads with zeroes so the input block size is always the same.

How is that useful?

Rob
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