[GRASS-user] Different GIS_ERROR_LOG files for different instances of GRASS?

[Markus Neteler]

On Wed, Oct 8, 2008 at 12:53 AM, Glynn Clements
<glynn at gclements.plus.com> wrote:
>
> Markus Neteler wrote:
>
>> > I am running simulations which are using GRASS for some calculations,
>> > and I would like to use GIS_ERROR_LOG as a log file. How can I have
>> > different GIS_ERROR_LOG for different instances of GRASS, so that each
>> > instance has it's own log file?
>>
>> Best might be to change the name "GIS_ERROR_LOG" which is defined in
>> lib/gis/error.c
>>
>> into a variable.
>> ?
>
> Done in 7.0 (r33740).

Backported to 6.4.svn: r33753

> If set, $GIS_ERROR_LOG should be the absolute path to the log file (a
> relative path will be interpreted relative to the process' cwd, not
> the cwd at the point you set the variable). If not set,
> $HOME/GIS_ERROR_LOG is used instead.

ok

> The previous behaviour of writing to both $HOME/GIS_ERROR_LOG and
> $GISBASE/GIS_ERROR_LOG has been eliminated; only one log file will be
> written.

That's not entirely clear to me. Say, lib/init/variables.html may need a fix
for that.

> As before, the file will only be used if it already exists.
>
> Also, the current directory is obtained using getcwd() rather than
> popen("pwd"), so it should work on Windows.

Perfect, thanks.

Markus