sig
type t = Ketrew_pure.Program.t
val sh : string -> Ketrew.EDSL.Program.t
val shf :
('a, unit, string, Ketrew.EDSL.Program.t) Pervasives.format4 -> 'a
val exec : string list -> Ketrew.EDSL.Program.t
val ( && ) :
Ketrew.EDSL.Program.t -> Ketrew.EDSL.Program.t -> Ketrew.EDSL.Program.t
val chain : Ketrew.EDSL.Program.t list -> Ketrew.EDSL.Program.t
end