#Windows loop of *.gml.gz to load each into remote machine with existing schema. note the lack of quotes in active_schema
for %f in (*.gml.gz) do ogr2ogr -update -append -f PostgreSQL PG:"dbname='MyOSMMDB' host='192.168.56.1' port='45432' user='user' password='password' active_schema=mm_schema" "%f"