;;; The Geesh Shell Interpreter ;;; Copyright 2018 Timothy Sample ;;; ;;; This file is part of Geesh. ;;; ;;; Geesh 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. ;;; ;;; Geesh 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 Geesh. If not, see . (define-module (geesh built-ins echo) #:export (echo)) ;;; Commentary: ;;; ;;; The 'echo' utility. ;;; ;;; Code: (define (echo . args) (let* ((n? (and (pair? args) (string=? (car args) "-n"))) (args (if n? (cdr args) args))) (display (string-join args " ")) (unless n? (newline)) 0))