(* aux.sig *)

(* Copyright (C) 2006 Alley Stoughton

   This file is part of crypto, a cryptogram encoder/decoder.  See the
   file COPYING.txt for copying and usage restrictions *)

(* auxiliary functions *)

signature AUX =
sig

(* lastPartOfPath x returns the longest suffix of x consisting of
   digits, letters, dashes and underscores *)

val lastPartOfPath : string -> string

(* remove leading and trailing whitespace *)

val removeLeadingTrailingSpace : string -> string

end;