38 lines
1.2 KiB
Scheme
38 lines
1.2 KiB
Scheme
;;; Gash -- Guile As SHell
|
|
;;; Copyright © 2018 Timothy Sample <samplet@ngyro.com>
|
|
;;;
|
|
;;; This file is part of Gash.
|
|
;;;
|
|
;;; Gash is free software: you can redistribute it and/or modify
|
|
;;; it under the terms of the GNU General Public License as published by
|
|
;;; the Free Software Foundation, either version 3 of the License, or
|
|
;;; (at your option) any later version.
|
|
;;;
|
|
;;; Gash is distributed in the hope that it will be useful,
|
|
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;;; GNU General Public License for more details.
|
|
;;;
|
|
;;; You should have received a copy of the GNU General Public License
|
|
;;; along with Gash. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define-module (gash built-ins continue)
|
|
#:use-module (gash compat)
|
|
#:use-module (gash environment))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; The 'continue' utility.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define (main . args)
|
|
(let* ((arg (and (pair? args) (car args)))
|
|
(n (string->number (or arg "1"))))
|
|
(if (and arg (or (not n) (not (exact-integer? n)) (< n 1)))
|
|
1
|
|
(begin
|
|
;; Since we do not return, we have to set the status here.
|
|
(set-status! 0)
|
|
(sh:continue (1- n))))))
|