On Mon, 12 Nov 2007, Benjamin Ducke wrote:
We received an error with the following simple mapcalc statements
r.mapcalc 'frict=1'
r.mapcalc 'test=pendiente*2'
It turns out that you cannot use single quotes in this context. You need to
use regular quotes. So the way to specify the same mapcalc statements from
the GUI command console is...
r.mapcalc "frict=1"
r.mapcalc "test=pendiente*2"
I can confirm this behaviour using Windows' cmd.exe shell. It does not
seem to be able to handle single quotes correctly. But then again,
cmd.exe is sth. very different from your regular unixish shell.
Yes it's nothing new. You need to know a bit more about Windows than just
how to point and click to be able to get the most out of GRASS I
suppose---we're moving away from that obviously - but it still helps.
ISTR around this time last year when we were fixing a lot of tedious
little things to improve Windows compatibility, having to change commands
run with system() or similar from within C programs to use double instead
of single quotes was quite a common problem. Hopefully most occurences
within C programs have been caught now but perhaps there are still some in
gis.m?
Paul
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