Call (superbol_free_lib.Superbol_free

val debug : bool Stdlib.ref

val tmpfile : unit -> string

val command : 
  ?on_error:(string -> int -> unit) ->
  ('a, unit, string, unit) Stdlib.format4 ->
  'a

val command_exn : ('a, unit, string, unit) Stdlib.format4 -> 'a

val call : 
  ?echo:bool ->
  ?stdout:Unix.file_descr ->
  ?stderr:Unix.file_descr ->
  string list ->
  unit

val call_stdout_file : ?stderr:bool -> ?file:string -> string list -> string

val call_stdout_string : ?stderr:bool -> string list -> string

val call_stdout_lines : ?stderr:bool -> string list -> string list

val create_process : 
  ?stdin:string ->
  ?stdout:string ->
  ?stderr:string ->
  string list ->
  int

val wait_pids : unit -> int * Unix.process_status