[Qgis-user] update string attributes in shapefile with field calculator

[maning sambale]

I know this is easy in GRASS and postgis data.  The thing is, I want
to do this in a shapefile using the fielad calculator.

 Basically,
if columnA = "Some string" , assign "another string" to columnB.


Any ideas?
-- 
cheers,
maning
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