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Subject: Re: [Qemu-devel] [PATCH][RFC] Handling ':' on filenames
From: Eduardo Habkost <ehabkost@raisama.net>
References: <20090306212830.GL5077@blackpad> <49B3ABDF.2080803@redhat.com>
	<20090308114941.GA12649@miranda.arrow>
In-Reply-To: <20090308114941.GA12649@miranda.arrow>
Date: Mon, 09 Mar 2009 11:32:36 -0300
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To: Stuart Brady <sdbrady@ntlworld.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

Excerpts from Stuart Brady's message of Dom Mar 08 08:49:41 -0300 2009:
> On Sun, Mar 08, 2009 at 01:28:31PM +0200, Uri Lublin wrote:
> >    b. We do not want to use "qcow2:/tmp/a:b" as filenames (been there).
> >       We want to use -drive file=/tmp/a:b,format=qcow2 (and
> >       similar "qemu-img info -f ").
> 
> I can't help but feel that any approach to extracting filenames from the
> middle of arguments will always have problems.
> 
> I suppose a syntax like this:
> 
>    -drive file=/tmp/file,with,commas:and:colons ,format=qcow2
> 
> (i.e. with the next parameter to -drive starting in a new argument)...
> wouldn't win many supporters though?

The -drive option has a way to escape colons. For the filename
"/tmp/a,b,c", you can use:

 -drive file=/tmp/a,,b,,c,format=qcow2


Not pretty, but it seems to work.
-- 
Eduardo