From unknown Sat Jun 21 05:16:37 2025 X-Loop: help-debbugs@gnu.org Subject: bug#78415: documentation: -R v -r difference is not just about symlinks Resent-From: =?UTF-8?Q?Mat=C4=9Bj?= Cepl Original-Sender: "Debbugs-submit" Resent-CC: bug-grep@gnu.org Resent-Date: Wed, 14 May 2025 01:58:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 78415 X-GNU-PR-Package: grep X-GNU-PR-Keywords: To: 78415@debbugs.gnu.org X-Debbugs-Original-To: Received: via spool by submit@debbugs.gnu.org id=B.174718783223907 (code B ref -1); Wed, 14 May 2025 01:58:02 +0000 Received: (at submit) by debbugs.gnu.org; 14 May 2025 01:57:12 +0000 Received: from localhost ([127.0.0.1]:37631 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1uF1Ms-0006DW-UU for submit@debbugs.gnu.org; Tue, 13 May 2025 21:57:12 -0400 Received: from lists.gnu.org ([2001:470:142::17]:42236) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1uEvSj-00034b-H2 for submit@debbugs.gnu.org; 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Tue, 13 May 2025 15:38:12 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Mime-Version: 1.0 Content-Type: multipart/signed; boundary=2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270; micalg=pgp-sha1; protocol="application/pgp-signature" Date: Tue, 13 May 2025 19:38:11 +0000 Message-Id: From: =?UTF-8?Q?Mat=C4=9Bj?= Cepl X-Mailer: aerc 0.20.1 Received-SPF: pass client-ip=103.168.172.147; envelope-from=mcepl@cepl.eu; helo=fout-a4-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.7 (/) X-Mailman-Approved-At: Tue, 13 May 2025 21:57:09 -0400 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: -0.3 (/) --2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270 Content-Type: multipart/mixed; boundary=d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c --d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c Content-Type: multipart/alternative; boundary=6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e --6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Content-Type: text/plain; charset=UTF-8 Hello, manpage grep(1) describes the difference between -r and -R options thus: -r, --recursive Read all files under each directory, recursively, following symbolic links only if they are on the command line. Note that if no file operand is given, grep searches the working directory. This is equivalent to the -d recurse option. -R, --dereference-recursive Read all files under each directory, recursively. Follow all symbolic links, unlike -r. It seems to me that outside of this advertised difference in following/non-following symlinks, -R option also makes grep to search through hidden directories. Is it so? Wouldn=E2=80=99t it be a good idea to put it into a manpage? Best, Mat=C4=9Bj Cepl --=20 http://matej.ceplovi.cz/blog/, @mcepl@en.osm.town GPG Finger: 3C76 A027 CA45 AD70 98B5 BC1D 7920 5802 880B C9D8 =20 =E2=80=9CGoodbye,=E2=80=9D said the fox. =E2=80=9CAnd now here is my secret= , a very simple secret: It is only with the heart that one can see rightly; what is essential is invisible to the eye.=E2=80=9D -- Antoine de Saint-Exupery --6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e-- --d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=E09FEF25D96484AC.asc Content-Type: application/pgp-keys; charset=UTF-8 LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tCgptUUdpQkQyZzVUMFJCQUNaZG5H LzlUNEpTMm1seHNIZUZiZXgxS1d3ZUtQdVlUcG5idThGZTdyTllNV1ovQUtjCjlWbStSdW9WRXJt NEhHc2IwcEw1WlBubmNBK204MFc4RXpRbTJyczhQRDJtSE5zVWhET0duayswZm0rMjVXU1UKNllM emQ4bHR0eFBpYTc1QTVPcUJFQW1KbHlKVVNtb1dLakFLL3ExVGo1SFczKy83WHFXWVlDSnpBd0Nn 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--2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iGwEABECACwWIQSJ70vGKIq/QxurJcPgn+8l2WSErAUCaCOfow4cbWNlcGxAY2Vw bC5ldQAKCRDgn+8l2WSErCFNAJ4ixvDkVAWNGQJR9RjE+mRT+aOcrgCfVd6mi0qj A5DZfCwTPuk9ooOayNs= =a1oW -----END PGP SIGNATURE----- --2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270-- From unknown Sat Jun 21 05:16:37 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: =?UTF-8?Q?Mat=C4=9Bj?= Cepl Subject: bug#78415: closed (Re: bug#78415: documentation: -R v -r difference is not just about symlinks) Message-ID: References: X-Gnu-PR-Message: they-closed 78415 X-Gnu-PR-Package: grep Reply-To: 78415@debbugs.gnu.org Date: Wed, 14 May 2025 23:00:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1747263602-1744-1" This is a multi-part message in MIME format... ------------=_1747263602-1744-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #78415: documentation: -R v -r difference is not just about symlinks which was filed against the grep package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 78415@debbugs.gnu.org. --=20 78415: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D78415 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1747263602-1744-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 78415-done) by debbugs.gnu.org; 14 May 2025 22:59:40 +0000 Received: from localhost ([127.0.0.1]:47434 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1uFL4e-0000Op-36 for submit@debbugs.gnu.org; Wed, 14 May 2025 18:59:40 -0400 Received: from mail-pl1-f170.google.com ([209.85.214.170]:52310) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1uFL4b-0000O5-KC for 78415-done@debbugs.gnu.org; Wed, 14 May 2025 18:59:38 -0400 Received: by mail-pl1-f170.google.com with SMTP id d9443c01a7336-22e5df32197so3599025ad.0 for <78415-done@debbugs.gnu.org>; Wed, 14 May 2025 15:59:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747263571; x=1747868371; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=jknq9lOyRDFJiMxtMvOdyun+TsmmHb1r70ZC+jB3Glo=; b=T2kjxfsKRI8SuZPR0+Qyvso2AYaKhfGVuiVS8gryHgrmwTpDriUlgv05REsTu7wkaO ex9o6w906hk/a25shO1s1bWZXbN3s7f77trJRJ58v7gUc0wnvrSrhy0GzVIjQDBEPa12 Gpgl4X4UJDG6BwGwC5TrupKJvQtJ6F4LYc2LZldvlOAcFU51HMKXTH66lmdXcJAa+EVO 819SmB7icghiffGqDriauCDNQy0JLBn8QjPzvPFnzTpZeJsk1u11oSKSl8dt4tiyxEKq k6PBqLjBExsLnbWeqq4mcnx/1U6nV0l1m4MD8GY9JR7wohViOqERH10tjZ1uEvZ3P/Fy 5IOA== X-Gm-Message-State: AOJu0Yzh25UI9zEvRSNkhm+gJyzzJkzQmIcgKj7j0I1cg9/+hFkpCgFl 9Rpb4PBvAk6cq/7moJSnu63aju0E+I4QZeHycmpzjoN/f4QxeNA9Gdnm7dNfi/+X5eGQfhBNAEi 2O6l0Dhdow+rG8pxBd0POR+4gAPoIHzdAuAM= X-Gm-Gg: ASbGnctQPx/YX/NJK62tN2iBLPyR+ajsSZWS5f2wJmKgKHk3xMbOsudJ9KTzfRBrjJi z7jTtp6woIP4NQbQCH5c4e/cgR808Aiult86JBNEwtEcBxQ5BSE3W3JkX1DL7TEUkiGPr/zOfE9 gg9qMpBA0t57MnuSh+aZ7yU2JYNZ2pZMOO X-Google-Smtp-Source: AGHT+IFZtCgGEkeEKBuFFCRqFS0nuFJ/jYIrPPtP5K0xi+8vG4CE3CFOv1/G1jLqk7FwGlcvFFZw0WS+lwDdCSyvVC0= X-Received: by 2002:a17:903:3c6b:b0:224:160d:3f5b with SMTP id d9443c01a7336-231b6033934mr3705745ad.49.1747263571186; Wed, 14 May 2025 15:59:31 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Jim Meyering Date: Wed, 14 May 2025 15:59:18 -0700 X-Gm-Features: AX0GCFs7HxMK_T9VYxHbq0vaNbTU_jQe03KS-9uXMfA63QIC8Prxz5TV4p1fAUs Message-ID: Subject: Re: bug#78415: documentation: -R v -r difference is not just about symlinks To: =?UTF-8?Q?Mat=C4=9Bj_Cepl?= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 78415-done Cc: 78415-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 (-) tags 78415 + notabug stop On Tue, May 13, 2025 at 6:58=E2=80=AFPM Mat=C4=9Bj Cepl wro= te: > manpage grep(1) describes the difference between -r and -R options thus: > > -r, --recursive > Read all files under each directory, recursively, following > symbolic links only if they are on the command line. Note > that if no file operand is given, grep searches the working > directory. This is equivalent to the -d recurse option. > > -R, --dereference-recursive > Read all files under each directory, recursively. Follow all > symbolic links, unlike -r. > > It seems to me that outside of this advertised difference in > following/non-following symlinks, -R option also makes grep to > search through hidden directories. Is it so? Wouldn=E2=80=99t it be a > good idea to put it into a manpage? Please tell us why you think that. At least for me, with either -r or -R, grep searches directories whose names start with ".": $ mkdir -p .j/.j && cd .j && echo a > .j/a $ grep -r a .j/a:a $ grep -R a .j/a:a I'm marking this as done. If you show evidence of a problem, it's easy to reopen. ------------=_1747263602-1744-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 14 May 2025 01:57:12 +0000 Received: from localhost ([127.0.0.1]:37631 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1uF1Ms-0006DW-UU for submit@debbugs.gnu.org; Tue, 13 May 2025 21:57:12 -0400 Received: from lists.gnu.org ([2001:470:142::17]:42236) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1uEvSj-00034b-H2 for submit@debbugs.gnu.org; Tue, 13 May 2025 15:38:50 -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 ) id 1uEvSI-00008a-1K for bug-grep@gnu.org; Tue, 13 May 2025 15:38:24 -0400 Received: from fout-a4-smtp.messagingengine.com ([103.168.172.147]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uEvSE-0007TK-TR for bug-grep@gnu.org; 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Tue, 13 May 2025 15:38:12 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Mime-Version: 1.0 Content-Type: multipart/signed; boundary=2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270; micalg=pgp-sha1; protocol="application/pgp-signature" Date: Tue, 13 May 2025 19:38:11 +0000 Message-Id: From: =?utf-8?q?Mat=C4=9Bj_Cepl?= To: Subject: documentation: -R v -r difference is not just about symlinks X-Mailer: aerc 0.20.1 Received-SPF: pass client-ip=103.168.172.147; envelope-from=mcepl@cepl.eu; helo=fout-a4-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.7 (/) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 13 May 2025 21:57:09 -0400 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: -0.3 (/) --2ecacc1ba2d506e42c986405b442b4476910aae449995ac91957b1044270 Content-Type: multipart/mixed; boundary=d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c --d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c Content-Type: multipart/alternative; boundary=6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e --6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Content-Type: text/plain; charset=UTF-8 Hello, manpage grep(1) describes the difference between -r and -R options thus: -r, --recursive Read all files under each directory, recursively, following symbolic links only if they are on the command line. Note that if no file operand is given, grep searches the working directory. This is equivalent to the -d recurse option. -R, --dereference-recursive Read all files under each directory, recursively. Follow all symbolic links, unlike -r. It seems to me that outside of this advertised difference in following/non-following symlinks, -R option also makes grep to search through hidden directories. Is it so? Wouldn=E2=80=99t it be a good idea to put it into a manpage? Best, Mat=C4=9Bj Cepl --=20 http://matej.ceplovi.cz/blog/, @mcepl@en.osm.town GPG Finger: 3C76 A027 CA45 AD70 98B5 BC1D 7920 5802 880B C9D8 =20 =E2=80=9CGoodbye,=E2=80=9D said the fox. =E2=80=9CAnd now here is my secret= , a very simple secret: It is only with the heart that one can see rightly; what is essential is invisible to the eye.=E2=80=9D -- Antoine de Saint-Exupery --6de094b177fc283de0cb25a85fa9a080cd2e747d41497e74102c142f612e-- --d2510eb1fae5b854625a586c01523a0190ce82efe948d38ebaa85139c43c Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename=E09FEF25D96484AC.asc Content-Type: application/pgp-keys; charset=UTF-8 LS0tLS1CRUdJTiBQR1AgUFVCTElDIEtFWSBCTE9DSy0tLS0tCgptUUdpQkQyZzVUMFJCQUNaZG5H LzlUNEpTMm1seHNIZUZiZXgxS1d3ZUtQdVlUcG5idThGZTdyTllNV1ovQUtjCjlWbStSdW9WRXJt NEhHc2IwcEw1WlBubmNBK204MFc4RXpRbTJyczhQRDJtSE5zVWhET0duayswZm0rMjVXU1UKNllM emQ4bHR0eFBpYTc1QTVPcUJFQW1KbHlKVVNtb1dLakFLL3ExVGo1SFczKy83WHFXWVlDSnpBd0Nn 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--6f488a8f90a9b4b86a41f3ac3bddd49c7be9f0acabf55b817a6d6981ba5b Content-Type: multipart/mixed; boundary=27aa72ad9667d0dc436ce732a3883c8740315244be26149a811bb70e3d77 --27aa72ad9667d0dc436ce732a3883c8740315244be26149a811bb70e3d77 Content-Type: multipart/alternative; boundary=b0e9777284336b0959af76d87481926bd29cda9be9cdd10ccacb1d760838 --b0e9777284336b0959af76d87481926bd29cda9be9cdd10ccacb1d760838 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Content-Type: text/plain; charset=UTF-8 On Wed May 14, 2025 at 10:59 PM UTC, Jim Meyering wrote: > Please tell us why you think that. > At least for me, with either -r or -R, grep searches directories whose > names start with ".": You are right, I was wrong, I am sorry. A sloppy testing. 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