From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: ludo@gnu.org (Ludovic =?iso-8859-1?Q?Court=E8s?=) Newsgroups: gmane.lisp.guile.user Subject: Re: How to convert from Emacs Lisp to Guile Date: Fri, 18 Jun 2010 17:07:03 +0200 Message-ID: <87typ05qi0.fsf@gnu.org> References: <87iq5gn2u7.fsf@linux-lqcw.site> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: dough.gmane.org 1276874422 27992 80.91.229.12 (18 Jun 2010 15:20:22 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 18 Jun 2010 15:20:22 +0000 (UTC) To: guile-user@gnu.org Original-X-From: guile-user-bounces+guile-user=m.gmane.org@gnu.org Fri Jun 18 17:20:21 2010 connect(): No such file or directory Return-path: Envelope-to: guile-user@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OPdMg-0006jN-F6 for guile-user@m.gmane.org; Fri, 18 Jun 2010 17:20:18 +0200 Original-Received: from localhost ([127.0.0.1]:45573 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OPdMf-0003zb-Fj for guile-user@m.gmane.org; Fri, 18 Jun 2010 11:20:17 -0400 Original-Received: from [140.186.70.92] (port=54159 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OPdA2-0002Lu-FZ for guile-user@gnu.org; Fri, 18 Jun 2010 11:07:15 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OPdA0-0007sd-UV for guile-user@gnu.org; Fri, 18 Jun 2010 11:07:14 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:46383) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OPdA0-0007sN-OH for guile-user@gnu.org; Fri, 18 Jun 2010 11:07:12 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OPd9y-0008L5-SO for guile-user@gnu.org; Fri, 18 Jun 2010 17:07:10 +0200 Original-Received: from acces.bordeaux.inria.fr ([193.50.110.5]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 18 Jun 2010 17:07:10 +0200 Original-Received: from ludo by acces.bordeaux.inria.fr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 18 Jun 2010 17:07:10 +0200 X-Injected-Via-Gmane: http://gmane.org/ connect(): No such file or directory Original-Lines: 25 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: acces.bordeaux.inria.fr X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 30 Prairial an 218 de la =?iso-8859-1?Q?R=E9volution?= X-PGP-Key-ID: 0xEA52ECF4 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 83C4 F8E5 10A3 3B4C 5BEA D15D 77DD 95E2 EA52 ECF4 X-OS: x86_64-unknown-linux-gnu User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) Cancel-Lock: sha1:rMFwK5pI2Am/cX2I3JysB+mqZkU= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: guile-user-bounces+guile-user=m.gmane.org@gnu.org Errors-To: guile-user-bounces+guile-user=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.user:7895 Archived-At: Hi, Cecil Westerhof writes: > At the moment I have the following code in Emacs Lisp: > (defun substitute-expression(input-file output-file reg-exp substitute-str) > (let ((match-length)) > (switch-to-buffer (find-file-noselect input-file t t)) > (buffer-disable-undo) > (while (re-search-forward reg-exp nil t) > (setq match-length (- (point) (match-beginning 0))) > (while (> match-length (length substitute-str)) > (setq substitute-str (concat substitute-str substitute-str))) > (replace-match (substring substitute-str 0 match-length)) > ) > (write-region (point-min) (point-max) output-file))) There’s no such thing as a ‘buffer’ or ‘point’ in Guile so that would need to be expressed, e.g., as a procedure that opens a file, reads it line by line, writes modified lines to the output file, etc. See the (ice-9 regex) and (ice-9 rdelim) modules for useful tools. Thanks, Ludo’.