[GRASS-dev] interferring ovewrite flags [was: [bug #5167] (grass) v.patch: -a(ppend) issues]

[Markus Neteler]

On Mon, Sep 25, 2006 at 08:13:38AM -0700, Michael Barton wrote:
> Is having both -o and --o a problem?
> 
> The reason I ask is that --o, by design, doesn't show up in the
> module/script GUI.

This is a problem which should be fixed in parser.c for
both XML and tcltk. I was already asked by several users
why --overwrite doesn't show up but forgot to report it
here.

> For r.mask, much of the time, the user will simply want
> to overwrite the existing MASK file, to avoid the annoyance of having to run
> g.remove each time (note the MASK file created by r.mask is a reclass of a
> real raster file, so there is little loss if it is deleted).
> 
> So in this case, I'd prefer to have an overwrite option easily accessible to
> a user. How best to do this?

The --overwrite stuff already implemented for HTML/generic needs to
be added into the XML and TclTk sections in
lib/gis/parser.c

Markus

 
> Michael
> __________________________________________
> Michael Barton, Professor of Anthropology
> School of Human Evolution & Social Change
> Center for Social Dynamics & Complexity
> Arizona State University
> 
> phone: 480-965-6213
> fax: 480-965-7671
> www: http://www.public.asu.edu/~cmbarton
> 
> 
> 
> > From: Maciej Sieczka <tutey at o2.pl>
> > Date: Mon, 25 Sep 2006 11:53:57 +0200
> > To: Michael Barton <michael.barton at asu.edu>
> > Cc: <grass-dev at grass.itc.it>
> > Subject: Re: [GRASS-dev] interferring ovewrite flags [was: [bug #5167] (grass)
> > v.patch: -a(ppend) issues]
> > 
> > Michael Barton wrote:
> >> R.mask is a shell script, so the -o flag is there to run the underlying
> >> GRASS module with --o.
> >> 
> >> Is there a better way to do this script programmers?
> > 
> > r.reclass (used in r.mask) supports --o as all other Grass raster
> > modules do (besides r.mapcalc).
> > 
> > I checked r.mask and it doesn't matter whether you use it with -o or
> > --o. In both cases the output is ovewritten, so you just remove your -o.
> > 
> > Looks like parser takes care of it.
> > 
> > Maciek
> 
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-- 
Markus Neteler  <neteler itc it>  http://mpa.itc.it/markus/
ITC-irst -  Centro per la Ricerca Scientifica e Tecnologica
MPBA - Predictive Models for Biol. & Environ. Data Analysis
Via Sommarive, 18        -       38050 Povo (Trento), Italy