[GRASS-user] Detecting GRASS version when only specifying GRASS directory

[ahmadou dicko]

The way Rainer use R for scripting GRASS don't allow  him to use the
GRASS_VERSION variable, so i think the only way is to use the second
solution proposed by Hamish.

something like that should do the trick in R

readLines(paste(Sys.getenv("GISBASE"), "etc", "VERSIONNUMBER", sep = "/"))


But if you launch R from GRASS or set some GRASS variable permanently you
can simply do

Sys.getenv("GRASS_VERSION")




2011/9/12 Hamish <hamish_b at yahoo.com>

> Rainer wrote:
> > I am using GRASS from within an R script, and would need
> > the GRASS version. I do not know the startup script, so grass
> > --version is not an option. Nevertheless, I have obviously
> > specified the GRASS directory where the grass executables and
> > scripts sit. Is there one which I can use to get the grass
> > version?
>
> If grass is started you can use the GRASS_VERSION enviro variable
> or the g.version module to get it.
>
> If GRASS is not started you can look in the
>  $GISBASE/etc/VERSIONNUMER file.
>
>
> Hamish
>
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