Reduce a GeoJSON to features matching a condition
ogr2ogr -where '{{myProperty > 42}}' -f {{GeoJSON}} {{path/to/output.geojson}} {{path/to/input.geojson}}
ogr2ogr -where '{{myProperty > 42}}' -f {{GeoJSON}} {{path/to/output.geojson}} {{path/to/input.geojson}}