[GRASS-user] Adding attributes to vector map

[Jitendra Kumar]

I want to be able to add additional attributes to existing vector layer in
GRASS. For point and polygons I want to query the existing cat or
attributes and then add data in a new field from information from a
external file.
For example, I want to query the US County map polygons for county name and
select the value to be uploaded for that county from an external file.

I am not sure what's the best way to do it. I would appreciate any tips to
do it using GRASS functions and/or Python API.

Thanks,
Jitu
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