Topkg_os.Cmdval exists : Topkg_cmd.t -> bool Topkg_result.resultval must_exist : Topkg_cmd.t -> Topkg_cmd.t Topkg_result.resultval run : ?err:Topkg_fpath.t -> Topkg_cmd.t -> unit Topkg_result.resultval run_status : ?err:Topkg_fpath.t -> Topkg_cmd.t -> [ `Exited of int ] Topkg_result.resulttype run_status = Topkg_cmd.t * [ `Exited of int ]val success : ('a * run_status) Topkg_result.result -> 'a Topkg_result.resultval out_string : ?trim:bool -> run_out -> (string * run_status) Topkg_result.resultval out_lines : ?trim:bool -> run_out -> (string list * run_status) Topkg_result.resultval out_file : Topkg_fpath.t -> run_out -> (unit * run_status) Topkg_result.resultval out_stdout : run_out -> (unit * run_status) Topkg_result.resultval to_string : ?trim:bool -> run_out -> string Topkg_result.resultval to_lines : ?trim:bool -> run_out -> string list Topkg_result.resultval to_file : Topkg_fpath.t -> run_out -> unit Topkg_result.resultval run_out : ?err:Topkg_fpath.t -> Topkg_cmd.t -> run_out