gash/gash/commands/cat.scm

42 lines
1.4 KiB
Scheme

;;; Gash --- Guile As SHell
;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
;;;
;;; 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/>.
;;; Commentary:
;;; The initial bournish.scm was taken from Guix.
;;; Code:
(define-module (gash commands cat)
#:use-module (srfi srfi-1)
#:use-module (gash shell-utils)
#:export (cat))
(define (cat name . args)
(fold (lambda (file p)
(if (string=? file "-") (dump-port (current-input-port) (current-output-port))
(call-with-input-file file
(lambda (port)
(dump-port port (current-output-port))))))
0 args))
(define main cat)