Hi, I found that d.vect fails on commandline
d.vect mylakes where="FTYPE IS NULL" type=area col=red
ERROR: Option <layer> must be > 0
d.vect mylakes where="FTYPE IS NULL" type=area col=red layer=1
d.vect complete.
The reason is
layer Layer number or name ('-1' for all layers)
I suppose that the logic in the WHERE part needs to be updated.
Markus
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