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From: Markus Armbruster <armbru@redhat.com>
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Date: Thu, 22 Aug 2013 19:47:32 +0200
In-Reply-To: <1377191908.1888.69.camel@localhost.localdomain> (Marcel
	Apfelbaum's message of "Thu, 22 Aug 2013 20:18:28 +0300")
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Subject: Re: [Qemu-devel] [PATCH ] qemu-help: add category headlines
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To: Marcel Apfelbaum <marcel.a@redhat.com>
Cc: aliguori@us.ibm.com, mst@redhat.com, qemu-devel@nongnu.org, pbonzini@redhat.com, Andreas =?utf-8?Q?F=C3=A4r?= =?utf-8?Q?ber?= <afaerber@suse.de>

Marcel Apfelbaum <marcel.a@redhat.com> writes:

> On Thu, 2013-08-22 at 09:34 -0600, Eric Blake wrote:
>> On 08/22/2013 08:13 AM, Markus Armbruster wrote:
>> 
>> >>> +++ b/qdev-monitor.c
>> >>> @@ -156,6 +156,8 @@ static void
>> >>> qdev_print_category_devices(DeviceCategory category)
>> >>>      DeviceClass *dc;
>> >>>      GSList *list, *curr;
>> >>>  
>> >>> +    error_printf("%s devices:\n", qdev_category_get_name(category));
>> >>
>> >> Why is that an error? Shouldn't it go to stdout?
>> > 
>> > Output of -device help has always gone to stderr, and that has always
>> > annoyed me.  Just not enough to fix it.
>> 
>> Back when libvirt scraped -help output, changing it to use stdout would
>> be an incompatible change.  But now that libvirt uses QMP, I would also
>> welcome a change to use stdout (but also fall in the category of "not
>> enough of a bother for ME to fix it).
> It really bothers me. I need to use the help (being new to qemu ...)
> and I am always forgetting "2>&1".
>
> Anyone can think of a reason for not sending the help to stdout?   

Post a patch and find out ;)