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Date:	Fri, 21 Dec 2012 04:35:32 +0400
From:	Andrey Repin <anrdaemon AT freemail DOT ru>
Reply-To:	Andrey Repin <cygwin AT cygwin DOT com>
Message-ID:	<99995944.20121221043532@mtu-net.ru>
To:	Denis Excoffier <cygwin AT Denis-Excoffier DOT org>, cygwin AT cygwin DOT com
Subject:	Re: argv @-expansion with pathname containing spaces
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Greetings, Denis Excoffier!

>> On Thu, Dec 20, 2012 at 6:55 AM, Denis Excoffier wrote:
>>> However i don't see how to
>>> derive the 8.3 form from my original filename, using DOS only.
>> 
>> The /X argument to cmd.exe's dir command will give you the 8.3 name if
>> it exists.  Note that your system can be configured to not produce the
>> 8.3 form.

> I tried 'dir /X %pathname%', or 'dir /X /B %pathname%' (and other combinations),
> i can produce "some" 8.3 strings, bug was unable to produce the replacement
> of the full path (with 8.3 strings replaced everywhere). And setting the
> result in another variable seems another challenge…

> On the other hand, i have discovered something funny to calculate the directory
> where a bat file is installed:

> pushd %0\..
> set dirname=%cd%
> popd

set dirname="%~dp0"

Read through SET /?, there's some marvel to be found.

> This seems to work in all situations (spaces in filenames, bat file called through
> absolute path or relative path, even the simple foo.bat works…). It also removes
> the annoying quotes that are set around %0.

> It's a good trick, did anybody know this?

No need for tricks. The value you're seeking is readily available.


--
WBR,
Andrey Repin (anrdaemon AT freemail DOT ru) 21.12.2012, <04:34>

Sorry for my terrible english...

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