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Re: [PATCH] status=noinfo option for dd

From: Ondřej Vašík
Subject: Re: [PATCH] status=noinfo option for dd
Date: Fri, 19 Feb 2010 10:31:26 +0100


Pozsar Balazs wrote:
> New (hopefully better) version of the patch.
> dd: status=noinfo operand suppresses the transfer count information
> when the program exits.

I think that option does not follow POSIX. 
Similar thing was requested this week at 
https://bugzilla.redhat.com/show_bug.cgi?id=566079 , I suggested some
wrapper script to achieve this.

dd POSIX says:
On completion, dd shall write the number of input and output blocks to
standard error. In the POSIX locale the following formats shall be used:
In addition, when there is at least one truncated block, the number of
truncated blocks shall be written to standard error. In the POSIX
locale, the format shall be:

With this option, it will not output POSIX-required informations on
stderr on completition and therefore it should not be possible to
supress those informations (at least with POSIXLY_CORRECT but doing
additionally this hack looks silly to me)

         Ondřej Vašík

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