Re: [PATCH v2 1/1] t0003: Call dd with portable blocksize

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On Sun, Jan 22, 2023 at 08:21:45AM -0800, Junio C Hamano wrote:
> tboegi@xxxxxx writes:
>
> > From: Torsten Bögershausen <tboegi@xxxxxx>
> >
> > The command `dd bs=101M count=1` is not portable,
> > e.g. dd shipped with MacOs does not understand the 'M'.
>
> Very good piece of information to have here.
>
> > Use `bs=1048576 count=101`, which achives the same, instead.
>
> I'd locally tweak (read: no need to resend) it to
>
>     Use `dd bs=1048576 count=101`, which ...
>
> and downcase "Call" on the title line.
>
> A tangent.  I wonder how portable
>
>     dd bs=1024x1024 count=101
This works all Unix-ish system I have: both on MacOs and FreeBSD.

>     dd bs=1kx1k count=101
Works on FreeBSD.
Does not work under MacOS: "dd: bs: illegal numeric value"


> In any case, thanks for the update.

Thanks for the review and the tweaking.




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