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bug#13135: Loss of data while copying
From: |
Eric Blake |
Subject: |
bug#13135: Loss of data while copying |
Date: |
Mon, 10 Dec 2012 11:03:10 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/17.0 Thunderbird/17.0 |
On 12/10/2012 10:06 AM, John Reiser wrote:
>> Yes, because a count was specified,
>> dd will operate in its default awkward but POSIX specified mode
>> of counting each read() call, even if it returned less than specified.
>> This is especially noticeable with pipes:
>
> So this bug report is really about the execrable documentation for 'dd'.
> Despite similar complaints appearing yearly [or so],
> the text of "info dd" does not contain the string "pipe". SHAME ON COREUTILS.
> Explaining the most common error, and how to avoid it, certainly does
> belong in the documentation. The purpose of documentation is to *FACILITATE*
> the correct use of the tool, and not merely to erect the minimal legal defense
> of the code.
Rather than complaining, how about you submit a patch to improve the
documentation?
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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