R/utils.R
validate_bad_osm_ids.RdParses a Java-style array string (e.g., "[id1, id2]"), extracts OSM IDs,
and prints a pretty warning if any invalid IDs are found.
validate_bad_osm_ids(bad_ids_string)Warning if necessary.
If no invalid IDs are found (i.e., input is "[]"), prints nothing.
Other support functions:
exists_tiff(),
fileurl_from_metadata(),
get_gtfs_errors(),
start_r5r_java(),
stop_r5(),
tempdir_unique(),
travel_time_surface()