[GRASS-user] locating GRASS installation directories on different operating systems

[Rainer M Krug]

Markus Neteler <neteler at osgeo.org> writes:

> On Thu, Oct 29, 2015 at 3:28 PM, Tyler Smith <tyler at plantarum.ca> wrote:
>> Hi,
>>
>> I'm updating my Emacs grass-mode (available on MELPA, and also here:
>> https://bitbucket.org/tws/grass-mode.el/wiki/Home ).
>>
>> Part of the configuration requires that users tell me where their grass
>> binary, script and documentation files are. Since people may be using
>> different versions, multiple versions, pre-packaged or compiled from
>> source, I can't hard-code paths for this.
>
> Right.
>
> ...
>>  a reasonably robust way for users to find
>> the information is:
>
> Please better use this (works "everywhere", also on non-Linux
> systems): ask GRASS itself where it is - of course the startup script
> needs to be in the PATH:
>

You could always ask for the path to the grass startup script.

> # Linux
> grass70 --config path
> /usr/local/grass-7.0.2svn
>
> # Windows
> C:\>grass70.bat --config path
> C:\OSGeo4W\apps\grass\grass-7.0
>
> and so on.

I always forget about the --config options

But how robust is this? I think it is also only supported from 7 onwards
(at least my 6.4.4 installation does not know the argument --config)?

Rainer


>
> HTH,
> Markus
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-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
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