Received: (at 79497) by debbugs.gnu.org; 23 Sep 2025 11:16:16 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Sep 23 07:16:15 2025 Received: from localhost ([127.0.0.1]:40784 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1v110J-0003qe-FE for submit <at> debbugs.gnu.org; Tue, 23 Sep 2025 07:16:15 -0400 Received: from mail-wm1-x333.google.com ([2a00:1450:4864:20::333]:45309) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from <pixelbeat@HIDDEN>) id 1v110E-0003oP-BG for 79497 <at> debbugs.gnu.org; Tue, 23 Sep 2025 07:16:11 -0400 Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-46cf7bbfda8so15177125e9.2 for <79497 <at> debbugs.gnu.org>; Tue, 23 Sep 2025 04:16:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1758626163; x=1759230963; darn=debbugs.gnu.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :sender:from:to:cc:subject:date:message-id:reply-to; bh=U3BjhMtlodTZbraQkdmnVhtDPA7n6gGlHk08rHUOj5Q=; b=E6DEtJdYbUVXEZeYgENVoL/+iAzesO3F7arr2iwHFGQveukfNVzqPfE0zRmzJwn0Tm F2W/jmugLO9ZuGre2hCSYen5R0IZ1+1fgzZQl/6K+PMGdvWkwC3O+qHHonN2qcAdsUd5 /aP2MmFgL2gYSIvwrwEtnO0DVZJ5WcV8+BRrvqEta/XQXgTafjbUYyWBOKTbs+Ii6d6C 139AHqU7Q7oc7txuwWpUuEoPTkEoXhfo6IbJRKvnI+Ym8lAu3LSwHFwKMqtL47CfsdMF ToHjezjaukrRk7qhUbxCMgxNo4ByMHJd0CLCxEv3S88JLvxsAIhSjRyDHrIYqACitY4l pp9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758626163; x=1759230963; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :sender:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=U3BjhMtlodTZbraQkdmnVhtDPA7n6gGlHk08rHUOj5Q=; b=OdeEIPwJ6z2VV8cwAc112+9efebs1EnVitS0kv9vnOFaO26tRCEDnkYIte0DGw0n76 vqp+0Dex5Hladcoq82oNpK+jGM+xgENv4xq+Wyr1c6+Hd6h+Tfp0iExLD7jQvGoERD/z Wlzf63aKf5j7uyWWVF4IDFtpdtrLjMfInNOEs+Sba42JsQ1zFsa99ommWd7aQFfb8hrC BDT/SusfC0zd/WxXyk9EUuQQi+urz3j6w8PDrcjWT5TrgdgSymD68bnSiiBuBM7O5KoO nuLs+c++3AeCsnYlN2CduwZj28MGRfO7a0bM6MmtG99p6/WktdJWf/EMz5sDIoAKBro1 N2Iw== X-Forwarded-Encrypted: i=1; AJvYcCW95iAM6BZLMKKx+ufndRwtnggkZH7pfdj8EgZSJDn5iPC9goFvKYnrAlgqG87feyZqQbfudQ==@debbugs.gnu.org X-Gm-Message-State: AOJu0Yxq3Wkhvzm6WbOD4AqboYoMdUTJ+96IdB4eEaRdyMB28PUeYlGo yHyH/LnD2C5jDUeszKsqyufb9uOYS65jqqfpuWYNo3+zKiEqlDFr00zV X-Gm-Gg: ASbGncuNGkshVAW0BlzJf2OdrmRD9c6KyoK+u7yAbFjs3l6l8RC1+yovEdUV9dXVYeR MS16mKDi5bzd3HeX0YnI8YIuDFB4QINDADNeLFdoGENvz0FhbidJZl1IwJJxli+V7xi7n+syYrE FZ1EGN7dtTjFa63TcIYB48i+A0aABlCuobkWW9MjsH2gC+EBFDhuRvoiJTLMiQ5rPDqyNqOu+aj hIiiQ4OdW9sgPCDG90II7GmRYabjmQyhuT+iL0jRrvbubeYtiLi0vKcj+roLOjmCAPpHakGKIkF okQkBIIo8wl3i3COjIz2tM9pKS8uUKiwOJnkMaWnUHVI37ft8ZwQyD7/WHWjn8UoXrTY4OPG0l2 HzNr8HcOyWmD8CK4eFjkuZsnGViL3aUyn2r28Bow0TaCdOPVnwhlnx8wg9NULZK1ksJXVkNIRdL 1tXcY= X-Google-Smtp-Source: AGHT+IHjJr5A/A2QJVc9KXgm495tP5e7RdV3Khfwvgo6gMp7mnlLDsJwecx/VtI76miT/ae9qJ3Nlg== X-Received: by 2002:a05:600c:a02:b0:45b:4a98:91cf with SMTP id 5b1f17b1804b1-46e1daa1207mr21346705e9.15.1758626163099; Tue, 23 Sep 2025 04:16:03 -0700 (PDT) Received: from [192.168.1.31] (86-44-211-146-dynamic.agg2.lod.rsl-rtd.eircom.net. [86.44.211.146]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-46e1dc3c53dsm11927165e9.7.2025.09.23.04.16.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Sep 2025 04:16:02 -0700 (PDT) Message-ID: <b1c55522-44c8-4f26-9ede-207d3279e0e8@HIDDEN> Date: Tue, 23 Sep 2025 12:16:01 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: bug#79497: fmt breaks lines when it does not need to To: Bruno Haible <bruno@HIDDEN>, 79497 <at> debbugs.gnu.org References: <2419308.IPqQCg1nHW@nimes> Content-Language: en-US From: =?UTF-8?Q?P=C3=A1draig_Brady?= <P@HIDDEN> In-Reply-To: <2419308.IPqQCg1nHW@nimes> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 79497 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) On 23/09/2025 10:46, Bruno Haible via GNU coreutils Bug Reports wrote: > Hi, > > With the attached input file and coreutils-9.8, I see these > results from the 'fmt' command, in the en_US.UTF-8 locale > on a GNU system: > > $ fmt -w 12 -g 12 input.txt > Grüß > Gott. > Здравствуйте! > x=(-b±sqrt(b²-4ac))/(2a) > 日本語,中文,한글 > $ fmt -w 13 -g 13 input.txt > Grüß Gott. > Здравствуйте! > x=(-b±sqrt(b²-4ac))/(2a) > 日本語,中文,한글 > > Why does it take a width of 13, in order to keep the first two words > on a single line? That line has width 10. > > I would expect that already 'fmt -w 10 -g 10 input.txt' keeps these > two words together. Well the 10 vs 13 is due to fmt not being multi-byte aware (only fold(1) got the multi-byte treatment in coreutils 9.8). But yes there are still confusing things here. The man page says -w counts characters, while the info page says -w counts columns. The code seems to follow the man page and includes the \n in the char count. Note fold -w does not count the newline which is what I'd expect. We could change to that behavior without much compat issue I think. $ printf '%s' 'aafd as fd d' | wc -c 12 $ printf '%s' 'aafd as fd d' | git/coreutils/src/fmt -w12 -g12 aafd as fd d $ printf '%s' 'aafd as fd d' | git/coreutils/src/fmt -w13 -g13 aafd as fd d BTW I see fmt is not part of POSIX cheers, Padraig
bug-coreutils@HIDDEN:bug#79497; Package coreutils.
Full text available.
Received: (at submit) by debbugs.gnu.org; 23 Sep 2025 09:46:50 +0000
From debbugs-submit-bounces <at> debbugs.gnu.org Tue Sep 23 05:46:50 2025
Received: from localhost ([127.0.0.1]:40238 helo=debbugs.gnu.org)
by debbugs.gnu.org with esmtp (Exim 4.84_2)
(envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>)
id 1v0zbm-000654-4l
for submit <at> debbugs.gnu.org; Tue, 23 Sep 2025 05:46:50 -0400
Received: from lists.gnu.org ([2001:470:142::17]:60466)
by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
(Exim 4.84_2) (envelope-from <bruno@HIDDEN>) id 1v0zbe-00064X-RD
for submit <at> debbugs.gnu.org; Tue, 23 Sep 2025 05:46:43 -0400
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 <bruno@HIDDEN>) id 1v0zbW-00048q-0L
for bug-coreutils@HIDDEN; Tue, 23 Sep 2025 05:46:35 -0400
Received: from mo4-p07-ob.smtp.rzone.de ([85.215.255.114])
by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
(Exim 4.90_1) (envelope-from <bruno@HIDDEN>) id 1v0zbQ-0006mr-6w
for bug-coreutils@HIDDEN; Tue, 23 Sep 2025 05:46:33 -0400
ARC-Seal: i=1; a=rsa-sha256; t=1758620782; cv=none;
d=strato.com; s=strato-dkim-0002;
b=BdV16PziZM46yuRQyS+NTn3A+PO7m6KV6f1gGeCAAFbpees3yNZmSaQgiZKQIU6eUj
6bydGLWeefg2cQiblpwAH+yHt4Nl21ARDYOYkF6rFZ1fbmSGAJcv6WTDiqrJmSJn5/y5
Pw+b28m624VO5m81YRFn3G6I+YCauIskqXOeDlDRX08yI419yh2UByaBR7lJ4apeDYP4
x33vog4x3sHGrSSTQFo1nEMs55RjIOKRMnSuDim1aWvlIoV/puA3fjnHiaMSHbm+R/8A
KRJCFzyMTAkp/3f7j/q7BxVpNJoZLDxplRx1oUMNqqrBjPQAgDos6WmlE5UJFL+1V4wk
cr+Q==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1758620782;
s=strato-dkim-0002; d=strato.com;
h=Message-ID:Date:Subject:To:From:Cc:Date:From:Subject:Sender;
bh=/jYWVrpIX/sW7Ym/ODpK15HlmMlFzy5LM5IfdFcKSqk=;
b=TtSow04HwcBQvPPMeddpHUSQKnrDh+aOuzg/w92zkRvCRCB2WNUS003VV93mnBis+D
aK9dPNxjtCWpkWdPeUouaGsRAYJYpcK68KueK2QOVOtlFpZkHcJjJiUHXgFVGb+qS08S
yzApFXFkN5KsDnC6ELDiqCbHUSAuuO6tBBqJwQcgiwbMdVyEprA0rYX1wC1I9usIPGSt
8Tekki5FYZF/0nfzqnn2BdJHb4mV0DYBejfkpqUS7dEZE42urUEv3otclHp19k+cokkb
J8C46QS8WwRIUEmQgmYTVIuRXp0iwZCflNAklNddFrHo+rbKbXKHN0Jj29BuswAs74tt
A4AA==
ARC-Authentication-Results: i=1; strato.com;
arc=none;
dkim=none
X-RZG-CLASS-ID: mo07
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1758620782;
s=strato-dkim-0002; d=clisp.org;
h=Message-ID:Date:Subject:To:From:Cc:Date:From:Subject:Sender;
bh=/jYWVrpIX/sW7Ym/ODpK15HlmMlFzy5LM5IfdFcKSqk=;
b=Vnuu7qbpWjBYHFH0FrCHWqi7mo+SKp5Q/3LX/TwwJ3WnCHmE+N5V4QCCdWA+yjBtST
25yYHuBDabpzYK7EFJDyqPQOLX2c99DuoNXfGLfFjbTczpHbSGKwkrxK0PWOlYWHjx5n
V319gW67VrsEPeMUCR/eUjjSF/2D3eQCT0XyMifuTHNOTsTRp2doAuJlFw+xw9jo/ZJm
ssnnATjGVMDZaPTNsE4iIfgNxtaHUpuXT5x5NOFFWi0TYv5SJ4TiSUaRACJZQTRrLIVb
iZXZAvxz0xi2XNOiqF/ma2zHO4dP9uSfnrF4Toji10V9M8QO2fH3ekQSNf2SCNs8UDJN
f8Eg==
X-RZG-AUTH: ":Ln4Re0+Ic/6oZXR1YgKryK8brlshOcZlLnY4jECd2hdUURIbZgL8PX2QiTuZ3cdB8X/nqjjPETjapHX+9l3zLlh16XTrnZwC"
Received: from nimes.localnet by smtp.strato.de (RZmta 53.3.2 AUTH)
with ESMTPSA id N0828e18N9kM22j
(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits))
(Client did not present a certificate);
Tue, 23 Sep 2025 11:46:22 +0200 (CEST)
From: Bruno Haible <bruno@HIDDEN>
To: bug-coreutils@HIDDEN
Subject: fmt breaks lines when it does not need to
Date: Tue, 23 Sep 2025 11:46:21 +0200
Message-ID: <2419308.IPqQCg1nHW@nimes>
Organization: GNU
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="nextPart19763405.gIjEHFZm8d"
Content-Transfer-Encoding: 7Bit
Received-SPF: none client-ip=85.215.255.114; envelope-from=bruno@HIDDEN;
helo=mo4-p07-ob.smtp.rzone.de
X-Spam_score_int: 4
X-Spam_score: 0.4
X-Spam_bar: /
X-Spam_report: (0.4 / 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, MIME_CHARSET_FARAWAY=2.45,
RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,
RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001,
SPF_NONE=0.001 autolearn=ham autolearn_force=no
X-Spam_action: no action
X-Spam-Score: 0.0 (/)
X-Debbugs-Envelope-To: submit
X-BeenThere: debbugs-submit <at> debbugs.gnu.org
X-Mailman-Version: 2.1.18
Precedence: list
List-Id: <debbugs-submit.debbugs.gnu.org>
List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>,
<mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe>
List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/>
List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org>
List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help>
List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>,
<mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe>
Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org
Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
X-Spam-Score: -1.0 (-)
This is a multi-part message in MIME format.
--nextPart19763405.gIjEHFZm8d
Content-Transfer-Encoding: base64
Content-Type: text/plain; charset="UTF-8"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--nextPart19763405.gIjEHFZm8d
Content-Disposition: attachment; filename="input.txt"
Content-Transfer-Encoding: base64
Content-Type: text/plain; charset="x-UTF_8J"; name="input.txt"
R3LDvMOfIEdvdHQuINCX0LTRgNCw0LLRgdGC0LLRg9C50YLQtSEgeD0oLWLCsXNxcnQoYsKyLTRh
YykpLygyYSkgIOaXpeacrOiqnizkuK3mlocs7ZWc6riACg==
--nextPart19763405.gIjEHFZm8d--
Bruno Haible <bruno@HIDDEN>:bug-coreutils@HIDDEN.
Full text available.bug-coreutils@HIDDEN:bug#79497; Package coreutils.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.