(** Unix API for GPX operations *) open Gpx (** Read and parse GPX file *) val read : ?validate:bool -> string -> (t, error) result (** Write GPX to file *) val write : ?validate:bool -> string -> t -> (unit, error) result (** Write GPX to file with backup *) val write_with_backup : ?validate:bool -> string -> t -> (string, error) result (** Pretty print GPX statistics *) val print_stats : t -> unit