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Re: [PATCH] status=noinfo option for dd

From: Eric Blake
Subject: Re: [PATCH] status=noinfo option for dd
Date: Fri, 19 Feb 2010 06:18:33 -0700
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20090812 Thunderbird/ Mnenhy/

According to Ondřej Vašík on 2/19/2010 2:31 AM:
>> dd: status=noinfo operand suppresses the transfer count information
>> when the program exits.
> I think that option does not follow POSIX. 

Why?  POSIX only specifies what happens when you use options specified by
POSIX.  Since status=noinfo is an extension, the mere use of it implies
that you are intentionally asking for extended behavior not covered by
POSIX, at which point we can silence whatever we want without violating
POSIX.  A strictly conforming app will never uses status=noinfo, and will
never know the difference.

Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden

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