[R-sig-Geo] package for writing shapefiles from SpatialPolygons?

[Michael Sumner]

> What is a shapefile? It has a *.shp, a *.shx, _and_ a *.dbf at least. So 
> you can't go from a SpatialPolygons object to a shapefile, it has to be 
> SpatialPolygonsDataFrame, even if the only column in the data frame is 
> just a holder. So create a data frame (with row names equal to the 
> Polygons ID values), make a SpatialPolygonsDataFrame, and 
> writePolyShape().
>   

Oh sorry, I had missed that "writePolyShape" function.  It's aliased to 
its read counterpart, and I thought I was seeing write.polylistShape.

Thanks!