Paul Kelly wrote:

> > Why do we need the eval command?
> 
> You don't *need* it; it is a convenience to convert all the GRASS 
> variables into environment variables. IMHO I don't think it is a good 
> solution to access GRASS variables this way because:
> a) it creates as many new environment variables as there are GRASS 
> variables,

FWIW, "eval `g.gisenv`" will create shell variables; they only become
environment variables if they're explictly "export"ed.

-- 
Glynn Clements <[EMAIL PROTECTED]>
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