netdev - Re: [patch iproute2 1/2] devlink: write usage help messages to stderr

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Message-ID: <20160808161822.GK1944@nanopsycho.orion>
Date:	Mon, 8 Aug 2016 18:18:22 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, idosch@...lanox.com,
	eladr@...lanox.com, yotamg@...lanox.com, nogahf@...lanox.com,
	ogerlitz@...lanox.com
Subject: Re: [patch iproute2 1/2] devlink: write usage help messages to stderr

Mon, Aug 08, 2016 at 05:56:54PM CEST, stephen@...workplumber.org wrote:
>On Mon, 8 Aug 2016 09:19:21 +0200
>Jiri Pirko <jiri@...nulli.us> wrote:
>
>> Sat, Jul 23, 2016 at 06:46:59PM CEST, stephen@...workplumber.org wrote:
>> >On Fri, 22 Jul 2016 18:34:29 +0200
>> >Jiri Pirko <jiri@...nulli.us> wrote:
>> >  
>> >> From: Jiri Pirko <jiri@...lanox.com>
>> >> 
>> >> In order to not confuse reader, write help messages into stderr.
>> >> 
>> >> Signed-off-by: Jiri Pirko <jiri@...lanox.com>  
>> >
>> >This does make devlink consistent with other parts of iproute2.
>> >But the most common coding standards, back to Unix, and GNU are
>> >that help messages should go to stdout so that:
>> >  $ ip -h | more
>> >would work as expected.  
>> 
>> The thing is I wanted to make stdout only for json. Putting non-json
>> help out there does not look correct to me. Is it?
>> 
>
>I applied both of these patches, just wanted to mention that iproute2 is not
>following the GNU convention. At this point, it really doesn't matter, there
>are arguments to be made for both behaviors.


Allright. Thanks.