From unknown Wed Jun 18 00:27:01 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#68989 <68989@debbugs.gnu.org> To: bug#68989 <68989@debbugs.gnu.org> Subject: Status: grep -m[2+] > /dev/null Reply-To: bug#68989 <68989@debbugs.gnu.org> Date: Wed, 18 Jun 2025 07:27:01 +0000 retitle 68989 grep -m[2+] > /dev/null reassign 68989 grep submitter 68989 Grisha Levit severity 68989 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Thu Feb 08 03:38:16 2024 Received: (at submit) by debbugs.gnu.org; 8 Feb 2024 08:38:16 +0000 Received: from localhost ([127.0.0.1]:58979 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rXzvE-0004aq-7D for submit@debbugs.gnu.org; Thu, 08 Feb 2024 03:38:16 -0500 Received: from lists.gnu.org ([2001:470:142::17]:51232) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rXzvD-0004ad-8W for submit@debbugs.gnu.org; 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Thu, 08 Feb 2024 00:37:36 -0800 (PST) MIME-Version: 1.0 From: Grisha Levit Date: Thu, 8 Feb 2024 03:37:24 -0500 Message-ID: Subject: grep -m[2+] > /dev/null To: bug-grep@gnu.org Content-Type: multipart/alternative; boundary="0000000000003400d40610dab974" Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=grishalevit@gmail.com; helo=mail-pg1-x52b.google.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, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 1.0 (+) X-Debbugs-Envelope-To: submit 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: -0.0 (/) --0000000000003400d40610dab974 Content-Type: text/plain; charset="UTF-8" This example file will require multiple reads: $ printf '%07d\n' {0..98304} > txt When limiting the match count to 1, the input offset is correctly restored before grep exits, no matter the output: $ { grep -m1 . >/dev/zero; head -n1; } < txt 0000001 $ { grep -m1 . >/dev/null; head -n1; } < txt 0000001 If the count is 2 or higher, this also works, unless the output is being discarded to /dev/null -- in this case not only is the input offset not restored, but the entire file is consumed: $ { grep -m2 . >/dev/zero; head -n1; } < txt 0000002 $ { grep -m2 . >/dev/null; head -n1; } < txt $ --0000000000003400d40610dab974 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
This example file will require multiple= reads:

$ printf '%07d\n' {0..9830= 4} > txt

When limiting the = match count to 1, the input offset is correctly restored before grep exits,= =C2=A0 no matter the output:

$ { grep -m1 . >/dev/zero; head -n1; } < txt
0000001
$ { grep -m1 . >/de= v/null; head -n1; } < txt
0000001

If the count is 2 or higher, this als= o works, unless the output is being discarded to /dev/null -- in this case = not only is the input offset not restored, but the entire file is consumed:=

$ { grep -m2 . >/dev= /zero; head -n1; } < txt
0000002
$ { grep -m2 . >/dev/null; head -n1; } < txt
$


=
--0000000000003400d40610dab974-- From debbugs-submit-bounces@debbugs.gnu.org Fri Feb 09 04:08:50 2024 Received: (at 68989-done) by debbugs.gnu.org; 9 Feb 2024 09:08:50 +0000 Received: from localhost ([127.0.0.1]:48053 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rYMsL-0006x4-N6 for submit@debbugs.gnu.org; Fri, 09 Feb 2024 04:08:50 -0500 Received: from mail.cs.ucla.edu ([131.179.128.66]:33356) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rYMsI-0006wi-Ko for 68989-done@debbugs.gnu.org; Fri, 09 Feb 2024 04:08:47 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 9A00D3C011BC5; Fri, 9 Feb 2024 01:08:25 -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 g9ps_NeMT3wP; Fri, 9 Feb 2024 01:08:25 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 2716A3C011BD4; Fri, 9 Feb 2024 01:08:25 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu 2716A3C011BD4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1707469705; bh=NmjL7ivgZkbYDkBK1v1cI3Iqeb4rsSxrH5+e6VuhlC8=; h=Message-ID:Date:MIME-Version:To:From; b=hauMkRJJOzMRzPwq1lXPd6vItnGqY7YmwhnXF5bkIWPdLMX6rEu7DCRY8mjXG3lgu 3A6uDuAsbBrXYx+5OkmzBpAUIvWxj8Wegksk4tBqy71/KLnRRPc/cSTvJAvk0mRrYN RTEx/PtK6c8GIJLSVIfteyZib66pvdcpPfjXNuOl1IpP1oX//GffgcoQutQdLIAISg x6s9e5v5zYUer6TNGVKx7iiCdRHyjy+wtxNK2wtcgZ3c1iftTmhnovpkH9IseYtIKa 4jrvDDmfXt+9yUJxixEjq+92DkxiRR+EHwi61t/q+OAky30BvS9fOcVGGIujyUdKGP VXgys2JLUfDUg== 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 gAA2GeXKb9wL; Fri, 9 Feb 2024 01:08:25 -0800 (PST) Received: from [192.168.254.12] (unknown [47.148.192.211]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id 0421A3C011BC5; Fri, 9 Feb 2024 01:08:25 -0800 (PST) Content-Type: multipart/mixed; boundary="------------603uQad2Wcvd40wGxpAeZpxN" Message-ID: <838e4b9e-d387-4f65-8b87-6c3769cffc34@cs.ucla.edu> Date: Fri, 9 Feb 2024 01:08:24 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#68989: grep -m[2+] > /dev/null Content-Language: en-US To: Grisha Levit References: From: Paul Eggert Organization: UCLA Computer Science Department In-Reply-To: X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 68989-done Cc: 68989-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 (-) This is a multi-part message in MIME format. --------------603uQad2Wcvd40wGxpAeZpxN Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Thanks for the bug report. I installed the attached patch; please give it a try. --------------603uQad2Wcvd40wGxpAeZpxN Content-Type: text/x-patch; charset=UTF-8; name="0001-grep-fix-grep-m2-pattern-file-dev-null.patch" Content-Disposition: attachment; filename="0001-grep-fix-grep-m2-pattern-file-dev-null.patch" Content-Transfer-Encoding: base64 RnJvbSBiOWE4MDQ3MDk5ZDIzODhjMTVlNmFkMzllN2I4YzkxYzY2MzMwOTZjIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBGcmksIDkgRmViIDIwMjQgMDE6MDY6NDkgLTA4MDAKU3ViamVjdDogW1BBVENI XSA9P1VURi04P3E/Z3JlcDo9MjBmaXg9MjA9RTI9ODA9OThncmVwPTIwLW0yPTIwcGF0dGVy bj0yMDw/PQogPT9VVEYtOD9xP2ZpbGU9MjA+L2Rldi9udWxsPUUyPTgwPTk5Pz0KTUlNRS1W ZXJzaW9uOiAxLjAKQ29udGVudC1UeXBlOiB0ZXh0L3BsYWluOyBjaGFyc2V0PVVURi04CkNv bnRlbnQtVHJhbnNmZXItRW5jb2Rpbmc6IDhiaXQKClByb2JsZW0gcmVwb3J0ZWQgYnkgR3Jp c2hhIExldml0IDxodHRwczovL2J1Z3MuZ251Lm9yZy82ODk4OT4uCiogc3JjL2dyZXAuYyAo Z3JlcCwgbWFpbik6IERvbuKAmXQgc2V0IGRvbmVfb25fbWF0Y2ggaWYgLW0gaXMgdXNlZC4K KiB0ZXN0cy9tYXgtY291bnQtb3ZlcnJlYWQ6IEFkZCBhIHRlc3QgY2FzZS4KLS0tCiBORVdT ICAgICAgICAgICAgICAgICAgICAgfCAzICsrKwogc3JjL2dyZXAuYyAgICAgICAgICAgICAg IHwgOSArKysrKysrLS0KIHRlc3RzL21heC1jb3VudC1vdmVycmVhZCB8IDYgKysrKysrCiAz IGZpbGVzIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZm IC0tZ2l0IGEvTkVXUyBiL05FV1MKaW5kZXggYmM0ODdjZS4uNDI5NGZjNiAxMDA2NDQKLS0t IGEvTkVXUworKysgYi9ORVdTCkBAIC0xMSw2ICsxMSw5IEBAIEdOVSBncmVwIE5FV1MgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAtKi0gb3V0bGluZSAtKi0KICAgICAx CiAgIFtidWcgaW50cm9kdWNlZCBpbiBncmVwIDMuMTFdCiAKKyAgLW1OIHdoZXJlIDEgPCBO IG5vIGxvbmdlciBtaXN0YWtlbmx5IGxzZWVrcyB0byBlbmQgb2YgaW5wdXQgbWVyZWx5Cisg IGJlY2F1c2Ugc3RhbmRhcmQgb3V0cHV0IGlzIC9kZXYvbnVsbC4KKwogKiogQ2hhbmdlcyBp biBiZWhhdmlvcgogCiAgIE9uIFdpbmRvd3MgcGxhdGZvcm1zIGFuZCBvbiBBSVggaW4gMzIt Yml0IG1vZGUsIGdyZXAgbm93IHN1cHBvcnRzCmRpZmYgLS1naXQgYS9zcmMvZ3JlcC5jIGIv c3JjL2dyZXAuYwppbmRleCBkYWIzYmU3Li4xMjU2ZGZkIDEwMDY0NAotLS0gYS9zcmMvZ3Jl cC5jCisrKyBiL3NyYy9ncmVwLmMKQEAgLTE1NTgsNyArMTU1OCwxMSBAQCBncmVwIChpbnQg ZmQsIHN0cnVjdCBzdGF0IGNvbnN0ICpzdCwgYm9vbCAqaW5lb2YpCiAgICAgICAgICAgaWYg KGJpbmFyeV9maWxlcyA9PSBXSVRIT1VUX01BVENIX0JJTkFSWV9GSUxFUykKICAgICAgICAg ICAgIHJldHVybiAwOwogICAgICAgICAgIGlmICghY291bnRfbWF0Y2hlcykKLSAgICAgICAg ICAgIGRvbmVfb25fbWF0Y2ggPSBvdXRfcXVpZXQgPSB0cnVlOworICAgICAgICAgICAgewor ICAgICAgICAgICAgICBvdXRfcXVpZXQgPSB0cnVlOworICAgICAgICAgICAgICBpZiAobWF4 X2NvdW50ID09IElOVE1BWF9NQVgpCisgICAgICAgICAgICAgICAgZG9uZV9vbl9tYXRjaCA9 IHRydWU7CisgICAgICAgICAgICB9CiAgICAgICAgICAgbmxpbmVzX2ZpcnN0X251bGwgPSBu bGluZXM7CiAgICAgICAgICAgbnVsX3phcHBlciA9IGVvbDsKICAgICAgICAgICBza2lwX251 bHMgPSBza2lwX2VtcHR5X2xpbmVzOwpAQCAtMjg5Nyw3ICsyOTAxLDggQEAgbWFpbiAoaW50 IGFyZ2MsIGNoYXIgKiphcmd2KQogICBpZiAoKGV4aXRfb25fbWF0Y2ggfCBkZXZfbnVsbF9v dXRwdXQpIHx8IGxpc3RfZmlsZXMgIT0gTElTVEZJTEVTX05PTkUpCiAgICAgewogICAgICAg Y291bnRfbWF0Y2hlcyA9IGZhbHNlOwotICAgICAgZG9uZV9vbl9tYXRjaCA9IHRydWU7Cisg ICAgICBpZiAobWF4X2NvdW50ID09IElOVE1BWF9NQVgpCisgICAgICAgIGRvbmVfb25fbWF0 Y2ggPSB0cnVlOwogICAgIH0KICAgb3V0X3F1aWV0ID0gY291bnRfbWF0Y2hlcyB8IGRvbmVf b25fbWF0Y2g7CiAKZGlmZiAtLWdpdCBhL3Rlc3RzL21heC1jb3VudC1vdmVycmVhZCBiL3Rl c3RzL21heC1jb3VudC1vdmVycmVhZAppbmRleCAyM2M0NWNiLi5mODI5Y2M1IDEwMDc1NQot LS0gYS90ZXN0cy9tYXgtY291bnQtb3ZlcnJlYWQKKysrIGIvdGVzdHMvbWF4LWNvdW50LW92 ZXJyZWFkCkBAIC0xMiw0ICsxMiwxMCBAQCBlY2hvIHggPiBleHAgfHwgZnJhbWV3b3JrX2Zh aWx1cmVfCiB5ZXMgeCB8IHRpbWVvdXQgMTAgZ3JlcCAtbTEgeCA+IG91dCB8fCBmYWlsPTEK IGNvbXBhcmUgZXhwIG91dCB8fCBmYWlsPTEKIAorIyBNYWtlIHN1cmUgLW0yIHN0b3BzIHJl YWRpbmcgZXZlbiB3aGVuIG91dHB1dCBpcyAvZGV2L251bGwuCisjIEluIGdyZXAgMy4xMSwg aXQgd291bGQgY29udGludWUgcmVhZGluZy4KK3ByaW50ZiAneFxueFxueFxuJyA+aW4gfHwg ZnJhbWV3b3JrX2ZhaWx1cmUKKyhncmVwIC1tMiB4ID4vZGV2L251bGwgJiYgaGVhZCAtbjEp IDxpbiA+b3V0IHx8IGZhaWw9MQorY29tcGFyZSBleHAgb3V0IHx8IGZhaWw9MQorCiBFeGl0 ICRmYWlsCi0tIAoyLjQwLjEKCg== --------------603uQad2Wcvd40wGxpAeZpxN-- From unknown Wed Jun 18 00:27:01 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Fri, 08 Mar 2024 12:24:10 +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 From unknown Wed Jun 18 00:27:01 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: Did not alter fixed versions and reopened. Date: Mon, 13 May 2024 07:24:01 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # Did not alter fixed versions and reopened. thanks # This fakemail brought to you by your local debbugs # administrator From debbugs-submit-bounces@debbugs.gnu.org Mon May 13 03:25:18 2024 Received: (at control) by debbugs.gnu.org; 13 May 2024 07:25:19 +0000 Received: from localhost ([127.0.0.1]:59072 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s6Q3i-0006OF-KB for submit@debbugs.gnu.org; Mon, 13 May 2024 03:25:18 -0400 Received: from mail.cs.ucla.edu ([131.179.128.66]:35438) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s6Q3g-0006O0-CO for control@debbugs.gnu.org; Mon, 13 May 2024 03:25:17 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id A319E3C011BDC for ; Mon, 13 May 2024 00:25:10 -0700 (PDT) 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 UXIZuBeuZRYb for ; Mon, 13 May 2024 00:25:10 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 697FC3C011BDD for ; Mon, 13 May 2024 00:25:10 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu 697FC3C011BDD DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1715585110; bh=/JlhSscMNviIdKFQwhzK5bW63sTzXa6nnj5ScaQFwxM=; h=Message-ID:Date:MIME-Version:To:From; b=KUnJaQnkiatNrj3h4N38Y6uXRonZyl1QDRqLLazlIqspsovTS0xbW9YYrWNRFH6o5 ebcVMgbvNHX165jbvmgO3MB+/uxiNoaIq5PcdoZwqqTTd3AuLHKNdzV8rvM5G+61OO ofc9EKBH1ZqyIN+PmDQkxp7vJC2Bd6SR33Mu6bMrUhXZ4aUgXjrov67ruhY9jNqd+c qmonTDhYVYwM6E9OvRdW0HI9x40CZhjZR7B6nr6m7o98DdBNVk1yf/782COG4ayAOI pJb1rRV0F2zoOCCrpS+RpvbBPB5xAST/Vlnkbpz4xXHrjPATPgSG6fVVpdU43ZC2bv Pt3WWnGhnwQvA== 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 Am3i4b3jgTd4 for ; Mon, 13 May 2024 00:25:10 -0700 (PDT) Received: from [192.168.254.12] (unknown [47.154.17.165]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id 3EAF73C011BDC for ; Mon, 13 May 2024 00:25:10 -0700 (PDT) Message-ID: <606567e0-2a60-4575-afdc-60f4d09fa9aa@cs.ucla.edu> Date: Mon, 13 May 2024 00:25:09 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: control@debbugs.gnu.org From: Paul Eggert Subject: reopen 68989 Organization: UCLA Computer Science Department Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control 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 (-) unarchive 68989 reopen 68989 From unknown Wed Jun 18 00:27:01 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: Did not alter fixed versions and reopened. Date: Mon, 13 May 2024 07:26:02 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # Did not alter fixed versions and reopened. thanks # This fakemail brought to you by your local debbugs # administrator From debbugs-submit-bounces@debbugs.gnu.org Mon May 13 03:27:28 2024 Received: (at 68989) by debbugs.gnu.org; 13 May 2024 07:27:28 +0000 Received: from localhost ([127.0.0.1]:59096 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s6Q5o-0006Q9-Fw for submit@debbugs.gnu.org; Mon, 13 May 2024 03:27:28 -0400 Received: from mail.cs.ucla.edu ([131.179.128.66]:55336) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1s6Q5m-0006Pz-IO for 68989@debbugs.gnu.org; Mon, 13 May 2024 03:27:27 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id D36FE3C011BDD; Mon, 13 May 2024 00:27:20 -0700 (PDT) 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 iYNEW0bXs0sb; Mon, 13 May 2024 00:27:20 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 594533C011BDE; Mon, 13 May 2024 00:27:20 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.cs.ucla.edu 594533C011BDE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.ucla.edu; s=9D0B346E-2AEB-11ED-9476-E14B719DCE6C; t=1715585240; bh=/CmCpD7oWWopk5vn2BfQiXnF40dogWPNdW1hyHtosEk=; h=Message-ID:Date:MIME-Version:To:From; b=gQSfxmlyO+YPlQWam1+zH5EjY9cvfZ7lpLFPX4aka9DK4amclz1b8OnBLT65v7RGc Hrdpde/SBXm+mYphxRmLVecP/7W2Gin537lqYeiSE5o8QFDwTXjOxv/Y8u0QYRQcCT vWgzBqUVjiFbeK7e2E725xrUQtGihtLSoXGnOycOGbn+j/rXOcnK9JqrfLJjyoUb0J XOMeeG1O6BziOv7Iz39B2JTbZJUOY2X0QvN9TYffeGWAaHg6lpJmWGH/uiqDbD3TLY 577Hx6kVDg+UDh+yI0YI6P7d6WmtTU7vrsTCQpiv1olSq6rHyYC+xLJMp29N4ev3cu yTmKvcoOLF3yw== 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 7AEGp8x0oSo3; Mon, 13 May 2024 00:27:20 -0700 (PDT) Received: from [192.168.254.12] (unknown [47.154.17.165]) by mail.cs.ucla.edu (Postfix) with ESMTPSA id 378C33C011BDD; Mon, 13 May 2024 00:27:20 -0700 (PDT) Message-ID: <08860ce0-96b9-450c-9dd2-aa989617e675@cs.ucla.edu> Date: Mon, 13 May 2024 00:27:19 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: bug#68989: grep -m[2+] > /dev/null To: Grisha Levit References: <838e4b9e-d387-4f65-8b87-6c3769cffc34@cs.ucla.edu> Content-Language: en-US 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: 68989 Cc: 68989@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 2024-05-12 22:26, Grisha Levit wrote: > Just noticed that with this patch grep has extra output when -m is used > with -[lLq]: > > $ echo x | grep -l -m1 . > x > (standard input) > > $ echo x | grep -q -m1 . > x Thanks for letting us know; I've reopened the bug report.