From unknown Mon Aug 18 17:57:51 2025 X-Loop: help-debbugs@gnu.org Subject: bug#21502: 'shred' -NUMBER not recognised Resent-From: Nick Rose Original-Sender: "Debbugs-submit" Resent-CC: bug-coreutils@gnu.org Resent-Date: Thu, 17 Sep 2015 04:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 21502 X-GNU-PR-Package: coreutils X-GNU-PR-Keywords: To: 21502@debbugs.gnu.org X-Debbugs-Original-To: "bug-coreutils@gnu.org" Reply-To: Nick Rose Received: via spool by submit@debbugs.gnu.org id=B.144246577031537 (code B ref -1); Thu, 17 Sep 2015 04:57:01 +0000 Received: (at submit) by debbugs.gnu.org; 17 Sep 2015 04:56:10 +0000 Received: from localhost ([127.0.0.1]:35615 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZcREw-0008CZ-0I for submit@debbugs.gnu.org; Thu, 17 Sep 2015 00:56:10 -0400 Received: from eggs.gnu.org ([208.118.235.92]:37107) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZcM74-0008Kb-E8 for submit@debbugs.gnu.org; Wed, 16 Sep 2015 19:27:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZcM72-0002md-Uj for submit@debbugs.gnu.org; Wed, 16 Sep 2015 19:27:41 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: * X-Spam-Status: No, score=1.3 required=5.0 tests=BAYES_50, FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,FREEMAIL_REPLYTO_END_DIGIT, HTML_MESSAGE,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:52703) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZcM72-0002mZ-PW for submit@debbugs.gnu.org; Wed, 16 Sep 2015 19:27:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47111) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZcM71-0001T6-Rd for bug-coreutils@gnu.org; Wed, 16 Sep 2015 19:27:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZcM6y-0002lN-Jb for bug-coreutils@gnu.org; Wed, 16 Sep 2015 19:27:39 -0400 Received: from nm34-vm3.bullet.mail.gq1.yahoo.com ([98.136.216.142]:59426) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZcM6y-0002lI-22 for bug-coreutils@gnu.org; Wed, 16 Sep 2015 19:27:36 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s2048; t=1442446054; bh=eI0cMwbgqveH04lc1eBbbwT3fQdivLrBsFYvd9s1hkg=; h=Date:From:Reply-To:To:Subject:From:Subject; b=gsML+PUu595pJQ5m+yuIiUBZPqymAAs0iCcn3AGZjfbqMsGII5K1/HElC0O/d1bVpfpFOMw5SH7CiZfo55cz0QurNJQR7tEru/ADHD2WJKlVSs8jOor90PKDQysSQhL1BOygaXxQ2Xp7cgWCuAZ5FOFxqA3TadEes0GxxhmZB5u4lRY5QCCsZ+drcyz94c7W059sFa02YX2gBQVBwvaKzgK0xEwGNumC/pwGtFqRqM3x0I0KcLc5ddaMHlpdNO80t2oIzo4TT5b/bAW0qwzMEAeo7xLWOdOZDbSzFzSVnJ3uY8gJq0dwI+ArWpLdGlepl2sefauY2to3wdYc3iVW7w== Received: from [127.0.0.1] by nm34.bullet.mail.gq1.yahoo.com with NNFMP; 16 Sep 2015 23:27:34 -0000 Received: from [98.137.12.58] by nm34.bullet.mail.gq1.yahoo.com with NNFMP; 16 Sep 2015 23:24:34 -0000 Received: from [212.82.98.126] by tm3.bullet.mail.gq1.yahoo.com with NNFMP; 16 Sep 2015 23:24:34 -0000 Received: from [212.82.98.83] by tm19.bullet.mail.ir2.yahoo.com with NNFMP; 16 Sep 2015 23:24:34 -0000 Received: from [127.0.0.1] by omp1020.mail.ir2.yahoo.com with NNFMP; 16 Sep 2015 23:24:34 -0000 X-Yahoo-Newman-Property: ymail-4 X-Yahoo-Newman-Id: 67187.43351.bm@omp1020.mail.ir2.yahoo.com X-YMail-OSG: qyQ9LH0VM1mgiPNlpl4JKNbrt3Cya829005bRxnGQ1mC3emWrybrCai1AthIZ42 lchY1g50AjwkhNbDV6C1AdlY2pL6MLaWXIxFRl7zIklIHTEfDrrx9r6WRgTJenhuJhkGzh99yILo CUdbjCvRMvw_lp4Dv2O4kDX2T1E4hJaUeH6bhUMX_RttWdJgBaJ570HFpCnEo2kUYMAdqV9iH.7e XIy.57j4Nnel8yiJlW8ZvTvBILirL3xDs8qrFYdBg34tcOsm8Iv8XuJ0qtBq7KdrMaZzx5C3jxYQ GKEynjO9e6OaEih3i0pxF9IteDVoL9FSdX0m5WfK8RRTHlD4_hk1Cg4WcHv9TXGN1SewilRz7ZBQ T8Wrtt8Os3l9GBeLJ14X_EugTDN90rtPQEnDN3SR01QzctAbszB4PGzxCxJlwqUv1OHdrLUch8Yd Ub5utP3NOuWPougqkFVn9SV.BEi7bVVoUqzmxAabj6T06KEYn4ZjYV0nxlrVMkVnqqvrxPPzw5AQ G4SWcNn2IDdpxOh3G Received: by 217.12.9.12; Wed, 16 Sep 2015 23:24:33 +0000 Date: Wed, 16 Sep 2015 23:23:17 +0000 (UTC) From: Nick Rose Message-ID: <53908252.935640.1442445797710.JavaMail.yahoo@mail.yahoo.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_935639_826545149.1442445797707" Content-Length: 3392 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.5 (----) X-Mailman-Approved-At: Thu, 17 Sep 2015 00:56:08 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 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: -4.5 (----) ------=_Part_935639_826545149.1442445797707 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ostensible discrepancy between 'shred' and its documentation. (shred (GNU coreutils) 8.23 on Xubuntu 14.10) On the 'shred' info page: =E2=80=98-NUMBER=E2=80=99 =E2=80=98-n NUMBER=E2=80=99 =E2=80=98--iterations=3DNUMBER=E2=80=99 =C2=A0=C2=A0=C2=A0=C2=A0 By default, =E2=80=98shred=E2=80=99 uses 3 passes = of overwrite.=C2=A0 You can reduce =C2=A0=C2=A0=C2=A0=C2=A0 this to save time, or increase it if you think it= =E2=80=99s appropriate. =C2=A0=C2=A0=C2=A0=C2=A0 After 25 passes all of the internal overwrite patt= erns will have =C2=A0=C2=A0=C2=A0=C2=A0 been used at least once. If I try the '-NUMBER' method to specify number of iterations: $ shred -1 file shred: invalid option -- '1' Try 'shred --help' for more information. The other two methods for specifying number of iterations work. ------=_Part_935639_826545149.1442445797707 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Osten= sible discrepancy between 'shred' and its documentation.
(shred (GNU coreutils) 8.2= 3 on Xubuntu 14.10)

On = the 'shred' info page:

= =E2=80=98-NUMBER=E2=80=99
=E2=80=98-n NUMBER=E2=80=99
=E2=80=98--iterations=3DNUMBER=E2=80=99
     By default, =E2=80=98s= hred=E2=80=99 uses 3 passes of overwrite.  You can reduce
     this to s= ave time, or increase it if you think it=E2=80=99s appropriate.
     After 25= passes all of the internal overwrite patterns will have
     been used at = least once.

<= div id=3D"yui_3_16_0_1_1442445036830_2792" dir=3D"ltr">If I try the '-NUMBE= R' method to specify number of iterations:

$ shred -1 file
shred: invalid option -- '1'
Try 'shred --help' for more information.

The other two methods for specif= ying number of iterations work.
------=_Part_935639_826545149.1442445797707-- From unknown Mon Aug 18 17:57:51 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.503 (Entity 5.503) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Nick Rose Subject: bug#21502: closed (Re: bug#21502: 'shred' -NUMBER not recognised) Message-ID: References: <55FA6E78.2020401@cs.ucla.edu> <53908252.935640.1442445797710.JavaMail.yahoo@mail.yahoo.com> X-Gnu-PR-Message: they-closed 21502 X-Gnu-PR-Package: coreutils Reply-To: 21502@debbugs.gnu.org Date: Thu, 17 Sep 2015 07:41:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1442475663-14620-1" This is a multi-part message in MIME format... ------------=_1442475663-14620-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #21502: 'shred' -NUMBER not recognised which was filed against the coreutils package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 21502@debbugs.gnu.org. --=20 21502: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D21502 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1442475663-14620-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 21502-done) by debbugs.gnu.org; 17 Sep 2015 07:40:45 +0000 Received: from localhost ([127.0.0.1]:35707 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZcToC-0003nD-LX for submit@debbugs.gnu.org; Thu, 17 Sep 2015 03:40:44 -0400 Received: from zimbra.cs.ucla.edu ([131.179.128.68]:53403) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1ZcToA-0003n4-W5 for 21502-done@debbugs.gnu.org; Thu, 17 Sep 2015 03:40:43 -0400 Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id A7D9116110B; Thu, 17 Sep 2015 00:40:41 -0700 (PDT) Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id xj0f9_ua0ijO; Thu, 17 Sep 2015 00:40:40 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id B2A43161109; Thu, 17 Sep 2015 00:40:40 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id sn4fhnP0UsQ8; Thu, 17 Sep 2015 00:40:40 -0700 (PDT) Received: from [192.168.1.9] (pool-100-32-155-148.lsanca.fios.verizon.net [100.32.155.148]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 8ADD6160810; Thu, 17 Sep 2015 00:40:40 -0700 (PDT) Subject: Re: bug#21502: 'shred' -NUMBER not recognised To: Nick Rose , 21502-done@debbugs.gnu.org References: <53908252.935640.1442445797710.JavaMail.yahoo@mail.yahoo.com> From: Paul Eggert Organization: UCLA Computer Science Department Message-ID: <55FA6E78.2020401@cs.ucla.edu> Date: Thu, 17 Sep 2015 00:40:40 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: <53908252.935640.1442445797710.JavaMail.yahoo@mail.yahoo.com> Content-Type: multipart/mixed; boundary="------------040201060703030708040306" X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 21502-done X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 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 (/) This is a multi-part message in MIME format. --------------040201060703030708040306 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Thanks for reporting that -- it has been a bug in the manual for sixteen years! I installed the attached patch. --------------040201060703030708040306 Content-Type: text/plain; charset=UTF-8; name="0001-shred-don-t-document-NUMBER-option.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="0001-shred-don-t-document-NUMBER-option.patch" RnJvbSBkMTI0ZGJmZGU2NTZhMGFlZTAwZDVkODk0MDZhY2RiMGM1YmZlODMxIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBUaHUsIDE3IFNlcCAyMDE1IDAwOjM3OjMwIC0wNzAwClN1YmplY3Q6IFtQQVRD SF0gPT9VVEYtOD9xP3NocmVkOj0yMGRvbj1FMj04MD05OXQ9MjBkb2N1bWVudD0yMC1OVU1C RVI9MjBvPz0KID0/VVRGLTg/cT9wdGlvbj89Ck1JTUUtVmVyc2lvbjogMS4wCkNvbnRlbnQt VHlwZTogdGV4dC9wbGFpbjsgY2hhcnNldD1VVEYtOApDb250ZW50LVRyYW5zZmVyLUVuY29k aW5nOiA4Yml0CgpUaGUgLU5VTUJFUiBvcHRpb24gd2FzIHJlbW92ZWQgZnJvbSDigJhzaHJl ZOKAmSBpbiAxOTk5LCBidXQgdGhlCm1hbnVhbCB3YXNu4oCZdCB1cGRhdGVkIHRvIG1hdGNo LiAgUHJvYmxlbSByZXBvcnRlZCBieSBOaWNrIFJvc2UgaW46Cmh0dHA6Ly9idWdzLmdudS5v cmcvMjE1MDIKKiBkb2MvY29yZXV0aWxzLnRleGkgKHNocmVkIGludm9jYXRpb24pOgpSZW1v dmUgZG9jdW1lbnRhdGlvbiBmb3IgLU5VTUJFUiBvcHRpb24uCi0tLQogZG9jL2NvcmV1dGls cy50ZXhpIHwgMyArLS0KIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMiBkZWxl dGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kb2MvY29yZXV0aWxzLnRleGkgYi9kb2MvY29yZXV0 aWxzLnRleGkKaW5kZXggNTU4OTE2Mi4uYTAyOWVjNiAxMDA2NDQKLS0tIGEvZG9jL2NvcmV1 dGlscy50ZXhpCisrKyBiL2RvYy9jb3JldXRpbHMudGV4aQpAQCAtOTM5Niw4ICs5Mzk2LDcg QEAgVGhlIHByb2dyYW0gYWNjZXB0cyB0aGUgZm9sbG93aW5nIG9wdGlvbnMuICBBbHNvIHNl ZSBAcmVme0NvbW1vbiBvcHRpb25zfS4KIEBjaW5kZXggZm9yY2UgZGVsZXRpb24KIE92ZXJy aWRlIGZpbGUgcGVybWlzc2lvbnMgaWYgbmVjZXNzYXJ5IHRvIGFsbG93IG92ZXJ3cml0aW5n LgogCi1AaXRlbSAtQHZhcntudW1iZXJ9Ci1AaXRlbXggLW4gQHZhcntudW1iZXJ9CitAaXRl bSAtbiBAdmFye251bWJlcn0KIEBpdGVteCAtLWl0ZXJhdGlvbnM9QHZhcntudW1iZXJ9CiBA b3BpbmRleCAtbiBAdmFye251bWJlcn0KIEBvcGluZGV4IC0taXRlcmF0aW9ucz1AdmFye251 bWJlcn0KLS0gCjIuMS4wCgo= --------------040201060703030708040306-- ------------=_1442475663-14620-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 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Wed, 16 Sep 2015 23:24:33 +0000 Date: Wed, 16 Sep 2015 23:23:17 +0000 (UTC) From: Nick Rose To: "bug-coreutils@gnu.org" Message-ID: <53908252.935640.1442445797710.JavaMail.yahoo@mail.yahoo.com> Subject: 'shred' -NUMBER not recognised MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_935639_826545149.1442445797707" Content-Length: 3392 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.5 (----) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Thu, 17 Sep 2015 00:56:08 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Nick Rose 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: -4.5 (----) ------=_Part_935639_826545149.1442445797707 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ostensible discrepancy between 'shred' and its documentation. (shred (GNU coreutils) 8.23 on Xubuntu 14.10) On the 'shred' info page: =E2=80=98-NUMBER=E2=80=99 =E2=80=98-n NUMBER=E2=80=99 =E2=80=98--iterations=3DNUMBER=E2=80=99 =C2=A0=C2=A0=C2=A0=C2=A0 By default, =E2=80=98shred=E2=80=99 uses 3 passes = of overwrite.=C2=A0 You can reduce =C2=A0=C2=A0=C2=A0=C2=A0 this to save time, or increase it if you think it= =E2=80=99s appropriate. =C2=A0=C2=A0=C2=A0=C2=A0 After 25 passes all of the internal overwrite patt= erns will have =C2=A0=C2=A0=C2=A0=C2=A0 been used at least once. If I try the '-NUMBER' method to specify number of iterations: $ shred -1 file shred: invalid option -- '1' Try 'shred --help' for more information. The other two methods for specifying number of iterations work. ------=_Part_935639_826545149.1442445797707 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
Osten= sible discrepancy between 'shred' and its documentation.
(shred (GNU coreutils) 8.2= 3 on Xubuntu 14.10)

On = the 'shred' info page:

= =E2=80=98-NUMBER=E2=80=99
=E2=80=98-n NUMBER=E2=80=99
=E2=80=98--iterations=3DNUMBER=E2=80=99
     By default, =E2=80=98s= hred=E2=80=99 uses 3 passes of overwrite.  You can reduce
     this to s= ave time, or increase it if you think it=E2=80=99s appropriate.
     After 25= passes all of the internal overwrite patterns will have
     been used at = least once.

<= div id=3D"yui_3_16_0_1_1442445036830_2792" dir=3D"ltr">If I try the '-NUMBE= R' method to specify number of iterations:

$ shred -1 file
shred: invalid option -- '1'
Try 'shred --help' for more information.

The other two methods for specif= ying number of iterations work.
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