Mail Archives: cygwin/2009/12/01/11:32:58
On Tue, Dec 1, 2009 at 5:44 AM, John Morrison wrote:
> On Tue, December 1, 2009 9:15 am, Corinna Vinschen wrote:
>> On Nov 30 20:53, Robert Pendell wrote:
>>> On Mon, Nov 30, 2009 at 6:37 PM, Angelo Graziosi
>>>wrote:
>>> > Robert Pendell wrote:
>>> >>
>>> >> P.S. - On linux (when I tested) TEMP, TMP, and TMPDIR were not set
>>> and
>>> >> patch defaulted to /tmp.
>>> >
>>> > I noticed that too...
>>> >
>>> > Ken Brown wrote:
>>> >>
>>> >> That's precisely why I suggested unsetting TEMP and TMP in
>>> /etc/profile.
>>> >> Then things should work as in linux.
>>> >
>>> > Indeed. But a question emerges: what does it happen if one starts a
>>> Windows
>>> > application, which needs TEMP or TMP, from Cygwin?
>>> >
>>> > For example, GSview (*) can view ps.bz2 or pdf.bz2 files uncompressing
>>> them
>>> > into $TEMP, so it fails if TEMP is not defined, and
>>> >
>>> > $ gsview foo.pdf.bz2
>>> >
>>> > is broken!
>>> >
>>> > This is only an example of problems which can emerge unsetting TEMP.
>>> >
>>> > Ciao,
>>> > Angelo.
>>> >
>>>
>>> Actually I had thought about that and I found that if you
>>> intentionally unset all the variables it defaults back to the system
>>> defined one which is dependent on the current user in Windows.
>>> Basically what TEMP and TMP is defined to in Windows itself. =C2=A0This=
is
>>> like the behavior in Linux.
>>
>> I'm wondering if /etc/profile is actually the right place for unsetting
>> TMP and TEMP. =C2=A0What about etc/defaults/etc/skel/.bashrc instead? =
=C2=A0It
>> allows every user simple access to the setting of TMP and TEMP and it
>> could be seasoned with a user-visible comment.
>
> Unsetting them in the skel .bashrc files shouldn't be a problem to do, but
> 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 really
> been following this thread. =C2=A0Is that what's wanted?
>
> Also, $PATCH and $TMPDIR weren't defined on my system anyway...
>
> J.
>
They are not reset but during an strace I discovered that cygwin will
internally default to the system defined TEMP if one isn't defined in
cygwin. In other words if it has been unset. This is similar to
linux using /tmp by default if none is defined at all.
Robert Pendell
shinji AT elite-systems DOT org
CAcert Assurer
"A perfect world is one of chaos."
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