I will try both your helpful suggestions the next hours/days and let you know about any result as soon as I proceed. Umberto -- View this message in context: http://osgeo-org.1560.x6.nabble.com/i-group-with-patterns-as-name-for-input-tp5196465p5196503.html Sent from the Grass - Users mailing list archive at Nabble.com.