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From:	Achim Gratz <Stromeko AT nexgo DOT de>
To:	cygwin AT cygwin DOT com
Subject:	Re: directories for temporary files
References:	<21754 DOT 10842 DOT 551067 DOT 251606 AT zaphod DOT ms25 DOT net>
Date:	Sat, 07 Mar 2015 11:58:58 +0100
In-Reply-To:	<21754.10842.551067.251606@zaphod.ms25.net> (Reinhard Kotucha's message of "Fri, 6 Mar 2015 23:29:46 +0100")
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Reinhard Kotucha writes:
> However, there is a bug in /etc/profile.  The variables TMP and TEMP
> are set to /tmp but they are absolutely useless.  These variables are
> not used by any program.  Thus all programs write temporary files to
> /tmp, regardless of the settings TMP or TEMP.

They are used by Windows programs when they are started from Cygwin.
Those lines are actually preceded by a comment that explains this.

> The appropriate variable on Unix is TMPDIR.  It's recognized by
> programs on *all* Unix systems.
>
> You can confirm this easily.  Create a directory /tmp/foo and set
> TMPDIR=/tmp/foo.  You'll see that all temporary files go to the
> specified directory then.  No chance with TMP or TEMP.

…and since the default already is /tmp there is no reason to set this
variable explicitly in /etc/profile.


Regards,
Achim.
-- 
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