[GRASS-dev] [$HOME on csh] GEM Wizard question

Glynn Clements glynn at gclements.plus.com
Wed May 23 23:17:32 EDT 2007

Hamish wrote:

> William Kyngesburye wrote:
> > 
> > Is that from within GRASS, or other shell use?  Which platform?  If  
> > GRASS needs HOME as Hamish says, then it won't run without it (or not 
> > run right), so G_home() will always work.  Unless maybe the GRASS  
> > libraries are used outside of GRASS, like in Qgis or GDAL.
> maybe it has something to do with resetting $HOME so .bash_history is
> placed in the $MAPSET dir?
> e.g. I see that csh in lib/init/init.sh does:
> csh|tcsh)
>     USERHOME="$HOME"      # save original home
>     export HOME
>     cshrc="$HOME/.cshrc"
> ...
> the bash version  has "# restore user home path", but I don't see that
> in the csh section. (perhaps I'm looking past it)
> Anyone on Mac who created their user acc't prior to OSX 10.2 will have
> csh as their default shell (even if you've upgraded the rest of the
> system).
> So maybe the broken $HOME happens when the shell is csh?

If you look 2 lines further down, the code to restore the setting for
csh is:

    echo "set home = $USERHOME" > "$cshrc"

I would have thought that it should be "set HOME = ..."; environment
variables are case-sensitive on Unix.

Glynn Clements <glynn at gclements.plus.com>

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