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