The Extract tool on the gCADPlus menu can be used to extract all block information from a gCADPlus drawing. If that information is passed to Excel, the filter tools and the COUNTA function in Excel can be used to total up the number of individual blocks.
Here is a small movie showing how to extract details of materials needed for an irrigation design. In this example, we add sprinklers, gate valves, elbows end plugs,T-Junctions etc from an irrigation layer.
The data is passed to Excel and the COUNTA function to total the entries in each category.