Combine GPX files to one GeoJSON

gpxs-to-geojson.sh

#!/bin/bash
# Decompress all files (only some are compressed, primarily the newer ones)
for filename in *.gz
do
  gzip -d $filename
done
# Convert all from GPX to GeoJSON
for filename in *.gpx
do
  togeojson $filename > geojsons/$filename.geojson
done
# Merge the files into one in the end
geojson-merge geojsons/*.geojson > combined.geojson

Made to convert Strava archive to MapBox tileset.

Used CLI tools:

• https://github.com/mapbox/togeojson
• https://github.com/mapbox/geojson-merge