From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 28 03:44:27 2024 Received: (at submit) by debbugs.gnu.org; 28 Jan 2024 08:44:27 +0000 Received: from localhost ([127.0.0.1]:56556 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rU0m9-00005O-JU for submit@debbugs.gnu.org; Sun, 28 Jan 2024 03:44:27 -0500 Received: from lists.gnu.org ([2001:470:142::17]:60254) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rTsbo-0001np-0Z for submit@debbugs.gnu.org; Sat, 27 Jan 2024 19:01:15 -0500 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 1rTsbY-0002Sl-VK for bug-grep@gnu.org; Sat, 27 Jan 2024 19:00:56 -0500 Received: from mx0a-002d6a01.pphosted.com ([148.163.151.213]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rTsbW-0000hj-3c for bug-grep@gnu.org; Sat, 27 Jan 2024 19:00:56 -0500 Received: from pps.filterd (m0132168.ppops.net [127.0.0.1]) by mx0b-002d6a01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 40RJS9oV013797 for ; Sat, 27 Jan 2024 19:00:50 -0500 Authentication-Results: ppops.net; spf=pass smtp.mailfrom=brichardson@brandeis.edu Received: from mail-lj1-f197.google.com (mail-lj1-f197.google.com [209.85.208.197]) by mx0b-002d6a01.pphosted.com (PPS) with ESMTPS id 3vvy7js04f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Sat, 27 Jan 2024 19:00:50 -0500 Received: by mail-lj1-f197.google.com with SMTP id 38308e7fff4ca-2cf3534b797so11358241fa.0 for ; Sat, 27 Jan 2024 16:00:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=brandeis.edu; s=google; t=1706400047; x=1707004847; darn=gnu.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=u8nrnYjmdxuApq/sOC4R+/GM58LDXiBPZWCmsQyndg0=; b=mepib3yrSIaznEZojWP2MsJT+HqM4Am1r6Is3z3xuM8uMfi026tMVZb0j62js1028A Hp9zgYJK5YvRucYpBt3WP3eCfJO/x050LcUIAyOaoJNGxcxTWmku+jPxqGdWRH8btlEO OQYHh8HARb87FuaPT5p2UfIyQ88cevRGvAJko= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706400047; x=1707004847; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=u8nrnYjmdxuApq/sOC4R+/GM58LDXiBPZWCmsQyndg0=; b=TqUEZVe9mGy7vLTOV9CJppSermCvcIUogO8mP7XxVdYEL1I2P5zyk0oyMYRNpnqaLu Y9ybxwxcm/00xz0VMqJa7XJsBnMTql5znT29v9TnYeSqP9lN0EKDNsp3g+nXNC1kr0V3 WGFkcr8oSOGDT6ErIPoxsPfn04+w1Wf5MaixpNUNUnh9Jn9Yn6ftRlOjTclJMnomSFEY aLAcjQztIakjFYR/u5aNzOHa5Ox1fE/jIlM2tngTXjKfjgF+htAjn8EzYtZBYkRqVoI3 4xNWOnblZmu4qm9k9NzcWgmNC9bsXCu7VqVDmzZ+hnUOT0XCJDB1wXR/aneV063UxfS7 c3wg== X-Gm-Message-State: AOJu0YwD4pDBQOOvucTmcJAgRxcn/dFGz666pz3MjvNBN7tCb7gCAVtB 4ZekNMuXuY6dB4YOjRGHS8umCSdi6HP40rSc4OME/sCbiWvGqpelYlSbgLX9U3OmLAnHV7sxQ6E sEHm9XHbcJi0ONPRv1xleYYo2B4RGARKQsHnnjjOmXKpaWfa/5Dn4+2j81TQi6QQYNxRu9wcNnT 41HGgh4T6/4Rqf/+xId/P5QBfc5QU= X-Received: by 2002:a05:651c:c8d:b0:2cd:dc68:829b with SMTP id bz13-20020a05651c0c8d00b002cddc68829bmr2127844ljb.23.1706400047559; Sat, 27 Jan 2024 16:00:47 -0800 (PST) X-Google-Smtp-Source: AGHT+IGzN/6aiJShL7uDtctLS6iI5OzrdPNKYY8v0lZH5FCdOPPxaCWAWB0RBLdXehRy+4h9kWE/pKC+gD0O9fWfdiE= X-Received: by 2002:a05:651c:c8d:b0:2cd:dc68:829b with SMTP id bz13-20020a05651c0c8d00b002cddc68829bmr2127838ljb.23.1706400047180; Sat, 27 Jan 2024 16:00:47 -0800 (PST) MIME-Version: 1.0 From: Brendan Richardson Date: Sat, 27 Jan 2024 19:00:37 -0500 Message-ID: Subject: bug with escape characters in pattern To: bug-grep@gnu.org Content-Type: multipart/alternative; boundary="000000000000a8438e060ff63856" X-Proofpoint-ORIG-GUID: ThsAcswQxPj5NXe6f6nYgNNK84wdBy4l X-Proofpoint-GUID: ThsAcswQxPj5NXe6f6nYgNNK84wdBy4l X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_14,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 impostorscore=0 phishscore=0 mlxlogscore=277 spamscore=0 malwarescore=0 clxscore=1011 lowpriorityscore=0 priorityscore=1501 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401270182 Received-SPF: pass client-ip=148.163.151.213; envelope-from=brichardson@brandeis.edu; helo=mx0a-002d6a01.pphosted.com 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, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Sun, 28 Jan 2024 03:44:20 -0500 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) --000000000000a8438e060ff63856 Content-Type: text/plain; charset="UTF-8" Hello, If you use input egrep "[^\\n\\t]" file and the file contains a line with only n or t on it, those lines are also excluded file normal lines tttttt nnnnn KR Brendan Richardson --000000000000a8438e060ff63856 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hello,

If you use input
egrep= "[^\\n\\t]" file

and the file conta= ins a line with only n or t on it, those lines are also excluded
= file
normal lines
tttttt
nnnnn

=


KR
Brendan Richardson
--000000000000a8438e060ff63856-- From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 28 21:35:51 2024 Received: (at 68776-done) by debbugs.gnu.org; 29 Jan 2024 02:35:51 +0000 Received: from localhost ([127.0.0.1]:58701 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rUHV1-00024S-E4 for submit@debbugs.gnu.org; Sun, 28 Jan 2024 21:35:51 -0500 Received: from mail.cs.ucla.edu ([131.179.128.66]:34414) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rUHUz-00024D-Ma for 68776-done@debbugs.gnu.org; Sun, 28 Jan 2024 21:35:50 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id B0DB83C011BE0; Sun, 28 Jan 2024 18:35:35 -0800 (PST) Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10032) with ESMTP id fq2IZXNKzFYt; Sun, 28 Jan 2024 18:35:35 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 758753C013279; Sun, 28 Jan 2024 18:35:35 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu 758753C013279 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1706495735; bh=G3VNgVGQo/BMxqkBCV0Pln5GUN6jLC1g/REsb3kQdnc=; h=Message-ID:Date:MIME-Version:To:From; b=iCdsXXYchNeStx1X2osnsdH1BPEVSS50gEZ3qSMFKcGa1qsNooXjs3unE4wuxMbmE R5ZVJYf3666Zdprr+8PPTbx5+LeXOPszOXstHMn3Bmcp4mbM+rokcnZln7m4c/AveI eobfQC/XACFGNbXg3vB87hIId1OGBkW/P8ZpFRCDceivbBEdY1SyNKuXD9+ZDdh1Z0 I4Pf2NQkoCgzu8Q+IRB77rNrn/VJiFw5P+xEJeZqXyIJv0SWmlYTjx60Ll5witS7Tl 1052yXdzUKGCGXE2uyLX5wjtxuMf0LueBBQHKZoVJHuj7oFOrbgr+0e8JqGcHsWhA9 F06HAlKIP+0Gw== X-Virus-Scanned: amavis at mail.cs.ucla.edu Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10026) with ESMTP id arINBqDh0aOj; Sun, 28 Jan 2024 18:35:35 -0800 (PST) Received: from [192.168.254.12] (unknown [47.148.192.211]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id 511453C011BE0; Sun, 28 Jan 2024 18:35:35 -0800 (PST) Message-ID: <325fad6c-cc51-4cf9-ab8a-55d6f57c8635@cs.ucla.edu> Date: Sun, 28 Jan 2024 18:35:35 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#68776: bug with escape characters in pattern Content-Language: en-US To: Brendan Richardson References: From: Paul Eggert Organization: UCLA Computer Science Department In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 68776-done Cc: 68776-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) On 2024-01-27 16:00, Brendan Richardson wrote: > If you use input > egrep "[^\\n\\t]" file > > and the file contains a line with only n or t on it, those lines are also This is the correct behavior. The command you mention is equivalent to grep -E '[^nt\]' file and this outputs all lines containing some character other than 'n', 't', or '\'. A line containing only n or t should not be output. From unknown Sat Sep 06 14:24:00 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Mon, 26 Feb 2024 12:24:13 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator