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Date: Tue, 1 Dec 2009 13:34:22 +0000
Message-ID: <416096c60912010534k2032ded3v974474054ab1c3d4@mail.gmail.com>
Subject: Re: Unset TMP/TEMP in profile? (was Re: [ANNOUNCEMENT] [1.7] Updated:  	cygwin-1.7.0-67)
From: Andy Koppe <andy DOT koppe AT gmail DOT com>
To: cygwin AT cygwin DOT com
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2009/12/1 Ken Brown:
> On 12/1/2009 5:44 AM, John Morrison wrote:
>> Unsetting them in the skel .bashrc files shouldn't be a problem to do, b=
ut
>> on my system...
>>
>> $ echo $TMP
>> /cygdrive/c/DOCUME~1/morrijr/LOCALS~1/Temp
>>
>> Tue Dec 01 10:40 AM
>> $ unset TMP
>>
>> Tue Dec 01 10:40 AM
>> $ echo $TMP
>>
>>
>> Tue Dec 01 10:40 AM
>> $
>>
>> They don't get 'reset' to the windows default... but then, I've not real=
ly
>> been following this thread. =C2=A0Is that what's wanted?
>
> No, they're not expected to get reset.
>
>> Also, $PATCH and $TMPDIR weren't defined on my system anyway...
>
> The discussion about "patch" referred to the program /usr/bin/patch, not =
to
> an environment variable.
>
> TMPDIR is apparently not defined by default in the Windows environment, so
> it will usually be undefined unless the user has defined it. =C2=A0I thin=
k it
> should therefore be left alone.
>
> The proposal, then, is simply to unset TMP and TEMP in the skel .bashrc
> file. =C2=A0There should be some sort of comment for the sake of users wh=
o want
> those variables to be set for whatever reason. =C2=A0Here's one possibili=
ty, but
> it may be a little too verbose:
>
> # TMP and TEMP are defined in the Windows environment. =C2=A0Leaving
> # them set to the default Windows temporary directory can have
> # unexpected consequences.
> unset TMP
> unset TEMP
>
> # Alternatively, set them to the Cygwin temporary directory
> # export TMP=3D/tmp
> # export TEMP=3D/tmp
>
> # Or use TMPDIR instead
> # export TMPDIR=3D/tmp

If the ability to get back to the Windows settings is considered
important, TMP and TEMP could be saved to other variables before
unsetting or changing them, for example:

export WTMP=3D"$TMP"
export WTEMP=3D"$TEMP"

Andy

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