From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Re: Getting substring Date: Thu, 17 Aug 2023 03:16:08 +0000 Message-ID: <3Ib3MaXSJe_ADwtMJwdXW7srSPXc8MY12cMtwL48iSjE6QV010b8LWdO_uToUBzF-dqjEje0HzPXKEP9cAJzjvh54V-RA1YQoVNf01wVW5k=@protonmail.com> References: <9fm604dCSvQkhO587DywcXOS5jONHikAYJ4WtrWnM8ZR89XF9PXE6TEG0R852J8kUWBUoxIWk6oZZcbgG7kgVG5jcX_UlCMSlESsIeywEhw=@protonmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="1638"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Heime via Users list for the GNU Emacs text editor To: Pierre Rouleau Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 17 05:16:49 2023 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qWTVB-0000Aw-Em for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 17 Aug 2023 05:16:49 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qWTUj-0001bL-6K; Wed, 16 Aug 2023 23:16:21 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWTUf-0001b2-ML for help-gnu-emacs@gnu.org; Wed, 16 Aug 2023 23:16:18 -0400 Original-Received: from mail-4325.protonmail.ch ([185.70.43.25]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qWTUc-0007WG-Pg for help-gnu-emacs@gnu.org; Wed, 16 Aug 2023 23:16:17 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1692242172; x=1692501372; bh=e8GvZ4Jyl3r2thBmtXzW1rMXGHLZgeWPNp465EqXvIg=; h=Date:To:From:Cc:Subject:Message-ID:In-Reply-To:References: Feedback-ID:From:To:Cc:Date:Subject:Reply-To:Feedback-ID: Message-ID:BIMI-Selector; b=CL+JF8C/X5CzKKg0Vv0rlUPpS0FejGwUaq6hoAhoFQbZ/A7XeESv6GH1MDKszhqpR cO1/0MMGySN2yeKcyrPjfwqMdLVJ5OXdhJEP42f1qgj27GRTbplchobqIscU0Rlgi6 wvp+5D5ynen1or+62+OX6PoEKFLPomSs3qB+cjsiRCfreyla2UM8VDhWbC/MFm5gyX vAbysWXAwvBiMHb8NFo/Ejf1hJfigvNcOVtf9TWhnBpRWORVbeTKs7ZQdaXyorTPMQ 9IWdUmcWFo4NYv4mo0KsP1ePclOR8epA2tprJZi/I5MyJ7OGfji3v1qB5yveyCzatt qMOMwZFi9CsCA== In-Reply-To: Feedback-ID: 57735886:user:proton Received-SPF: pass client-ip=185.70.43.25; envelope-from=heimeborgia@protonmail.com; helo=mail-4325.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:144851 Archived-At: Sent with Proton Mail secure email. ------- Original Message ------- On Thursday, August 17th, 2023 at 3:07 PM, Pierre Rouleau wrote: > Heime, >=20 > I think you need to learn a little bit of Emacs Lisp, or Lisp. Read a boo= k > on Lisp to get you going. Asking questions like you do won't help you > much. You first need to understand LIsp and the way it deals with > functions, the concepts. >=20 > LISPcraft from Robert Wilensky is old (1984) but small and it covers the > basics which apply to Emacs Lisp. It's a nice read and the book is > relatively small. =20 The error message (wrong-type-argument listp "bigoplus"), suggests that the= code=20 expects a list argument but is receiving a string instead. Doing C-h f pcase says (pcase EXP &rest CASES) Evaluate EXP to get EXPVAL; try passing control to one of CASES. Does not specify whether EXP is a string or whatever. > On Wed, Aug 16, 2023 at 11:01=E2=80=AFPM Heime heimeborgia@protonmail.com= wrote: >=20 > > Sent with Proton Mail secure email. > >=20 > > ------- Original Message ------- > > On Thursday, August 17th, 2023 at 2:52 PM, Heime < > > heimeborgia@protonmail.com> wrote: > >=20 > > > Sent with Proton Mail secure email. > > >=20 > > > ------- Original Message ------- > > > On Thursday, August 17th, 2023 at 2:33 PM, Pierre Rouleau > > > prouleau001@gmail.com wrote: > > >=20 > > > > I mean, > > > > Executing : > > > >=20 > > > > > (setq str "bigoplus =E2=A8=81=EF=B8=81") > > > > > (message "%s TEST: " (car (split-string str))) > > > >=20 > > > > prints bigoplus. > > > >=20 > > > > but > > > >=20 > > > > (message "%s TEST: " (car (split-string grafm))) > > > >=20 > > > > will depend of what grafm holds. > > > >=20 > > > > On Wed, Aug 16, 2023 at 10:30=E2=80=AFPM Pierre Rouleau prouleau001= @gmail.com > > > >=20 > > > > wrote: > > > >=20 > > > > > Why does the following not print the first word? > > > > >=20 > > > > > > (message "%s TEST: " (car (split-string grafm))) > > > > >=20 > > > > > Are you sure it does not print it? It prints bigoplus for me. > > > > > You can also look into the 'Message' buffer to see what was print= ed > > > > > by > > > > > the message function. - Pierre > > >=20 > > > I now realise my mistake of putting "%s" before "TEST". I was thus do= ing > > > things > > > correctly after all. > > >=20 > > > The command (car (split-string grafm)) also works if there are no spa= ces > > > in > > > 'grafm', it still returns the string as a first element in the list > > > result. > >=20 > > Have started to wonder whether the following is wrong to do > >=20 > > (setq grafm "bigoplus =E2=A8=81=EF=B8=81") > > (pcase (car (split-string grafm)) > > "bigoplus" ("Detected bigoplus")) > >=20 > > It is not a string. >=20 >=20 > -- > /Pierre