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Re: dd in loop doesn't transfer full blocks
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From: |
Paul Jarc |
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Subject: |
Re: dd in loop doesn't transfer full blocks |
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Date: |
Thu, 09 Dec 2010 23:24:28 -0500 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
jim <gana1nm@hotmail.com> wrote:
> The problem is that dd never transfers a full block; $BS is about
> 400000, and each time through
> the loop, dd only transfers about 73xxx bytes, and sometimes less.
> This suggests [??] that the finite size of the pipe buffer is somehow
> involved
You can set ibs and obs independently for dd. So ibs can remain the
same size, and obs can be 4096.
paul