These notes are primarily written for my future self (to prevent having to figure out things I have already figured out once).

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Oslo has a great City Bike system. There are over 200 stations where one can pick up or return a bike (map), for the yearly fee of a few lunches.

I would like to see if some of these stations are missing from OpenStreetMap. I will be looking for the amenity=bicycle_rental tag. I get an OSM extract from GeoFabrik:

curl https://download.geofabrik.de/europe/norway-latest.osm.pbf -o norway-latest.osm.pbf

Using this gis.SE answer, I know I a modified version of osmconf.ini would help me query the amenity class. I create bysykkel_osm.ini:

… Vêre tot