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Subject:	Re: Redirection to stderr
To:	cygwin-mailinglist AT schneiderp DOT de, "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
References:	<baa3a4f84968dd6aa9869d2c9f58197f DOT squirrel AT mail DOT schneiderp DOT de>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<b4de479d-882e-4e61-2916-1b54f318d76c@gmail.com>
Date:	Mon, 10 Jul 2017 12:33:06 +0200
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On 10/07/2017 11:06, cygwin-mailinglist wrote:
> Hi Marco,
>
> thanks for your reply. I'm mailing you personally because at first I only
> subscribed to the mailing list digest (so I didn't receive your response
> directly)  and cannot or don't know yet how to reply to your mail to the
> list which I only see in the web archive.--

reply to both.

> As to your question: The redundant redirection of "stderr to itself"
> appears in the context of a larger system of scripts which permit
> configuring the destination of the redirection. The original reads
> something like ''2> "$STDERR_TARGET"''. The elegance is that I can
> configure where diagnostic output goes by simply setting an environment
> variable. The scripts simply use whatever "file system location" (possibly
> /dev/stderr) is configured.
>
> Rationale aside, it is a bug, isn't it?

I guess a side effect of a lost race.
Redirecting something on itself it is not guarantee to work.

> Peter

Marco


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