appends the records of a source shapefile
shpcat [-v] [-f] from_shpfile to_shpfile
Appends the content of a source shapefile into a destination shapefile. Both files must be the same shapefile type.
forces data conversion if data field types is not the same at both files or if is there any null value into from_DBFfile.
shpcat -v shapefile1 shapefile2
shpcat is part of shapelib, maintained by Frank Warmerdam. This guide was created by Eduardo Patoo Kanegae and converted to manpage by Johan Van de Wauw.