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#!/usr/bin/env guile
-*- scheme -*-
!#
;;; check-trailing-newline -- Find files lacking a trailing newline
;;; Use guile 2 (not 1.8)
;;; Copyright (C) 2015 Mark H Weaver <mhw@netris.org>
;;;
;;; This program 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.
;;;
;;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
(use-modules (ice-9 match)
(rnrs io ports))
(define (check-file file-name)
(let ((contents (call-with-input-file file-name get-string-all)))
(unless (string-suffix? "\n" contents)
(format (current-error-port)
"~a: lacks trailing newline\n"
file-name))))
(match (command-line)
((_ file-names ...)
(for-each check-file file-names)))
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