Paul Eggert <eggert@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Paul Eggert <eggert@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Debbugs Internal Request <help-debbugs@HIDDEN>
to internal_control <at> debbugs.gnu.org.
Full text available.Paul Eggert <eggert@HIDDEN>
to control <at> debbugs.gnu.org.
Full text available.Received: (at 17451) by debbugs.gnu.org; 10 May 2014 19:23:34 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat May 10 15:23:34 2014 Received: from localhost ([127.0.0.1]:58351 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1WjCrt-0003Qh-G9 for submit <at> debbugs.gnu.org; Sat, 10 May 2014 15:23:33 -0400 Received: from smtp.cs.ucla.edu ([131.179.128.62]:59083) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <eggert@HIDDEN>) id 1WjCrq-0003QN-0D for 17451 <at> debbugs.gnu.org; Sat, 10 May 2014 15:23:31 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 75EF939E8013; Sat, 10 May 2014 12:23:24 -0700 (PDT) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wDL-CCzwvzRc; Sat, 10 May 2014 12:23:20 -0700 (PDT) Received: from [192.168.1.9] (pool-108-0-233-62.lsanca.fios.verizon.net [108.0.233.62]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 4B07F39E8012; Sat, 10 May 2014 12:23:20 -0700 (PDT) Message-ID: <536E7CA7.9080204@HIDDEN> Date: Sat, 10 May 2014 12:23:19 -0700 From: Paul Eggert <eggert@HIDDEN> Organization: UCLA Computer Science Department User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "Yin, Dazhong@ARB" <dyin@HIDDEN>, 17451 <at> debbugs.gnu.org Subject: Let's patch 'date' to suggest the FAQ for invalid date formats References: <C08E8A6A721CF9429FB6099DC5FFC3F4C61F4C@HIDDEN> In-Reply-To: <C08E8A6A721CF9429FB6099DC5FFC3F4C61F4C@HIDDEN> Content-Type: multipart/mixed; boundary="------------090008060101040808000900" X-Spam-Score: -3.0 (---) X-Debbugs-Envelope-To: 17451 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://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: <http://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: -3.0 (---) This is a multi-part message in MIME format. --------------090008060101040808000900 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit This topic comes up often enough that I'm inclined to add an FAQ pointer into that diagnostic issued by 'date'. Proposed patch is attached. I suppose we could try for a more-stable URL, but one step at a time. --------------090008060101040808000900 Content-Type: text/plain; charset=UTF-8; name="0001-date-point-people-at-the-FAQ-for-invalid-date-format.patch" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename*0="0001-date-point-people-at-the-FAQ-for-invalid-date-format.pa"; filename*1="tch" RnJvbSA3MWY0ZTI3Yjk4M2I4NDU4OWMwNmFmMjM0YTA3MWUxYjM2ODQ2Njk5IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBTYXQsIDEwIE1heSAyMDE0IDEyOjE1OjIyIC0wNzAwClN1YmplY3Q6IFtQQVRD SF0gZGF0ZTogcG9pbnQgcGVvcGxlIGF0IHRoZSBGQVEgZm9yIGludmFsaWQgZGF0ZSBmb3Jt YXRzCgoqIHNyYy9kYXRlLmMgKGludmFsaWRfZGF0ZSk6IE5ldyBmdW5jdGlvbi4KKGJhdGNo X2NvbnZlcnQsIG1haW4pOiBVc2UgaXQuCi0tLQogc3JjL2RhdGUuYyB8IDQxICsrKysrKysr KysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMjUg aW5zZXJ0aW9ucygrKSwgMTYgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvc3JjL2RhdGUu YyBiL3NyYy9kYXRlLmMKaW5kZXggZWYwNGNiNS4uZDI0MTIyOCAxMDA2NDQKLS0tIGEvc3Jj L2RhdGUuYworKysgYi9zcmMvZGF0ZS5jCkBAIC0yNjAsNiArMjYwLDE2IEBAIFNob3cgdGhl IGxvY2FsIHRpbWUgZm9yIDlBTSBuZXh0IEZyaWRheSBvbiB0aGUgd2VzdCBjb2FzdCBvZiB0 aGUgVVNcblwKICAgZXhpdCAoc3RhdHVzKTsKIH0KIAorc3RhdGljIHZvaWQKK2ludmFsaWRf ZGF0ZSAoY2hhciBjb25zdCAqZGF0ZSwgYm9vbCBzaG93X2hlbHApCit7CisgIGVycm9yICgw LCAwLCBfKCJpbnZhbGlkIGRhdGUgJXMiKSwgcXVvdGUgKGRhdGUpKTsKKyAgaWYgKHNob3df aGVscCkKKyAgICBlcnJvciAoMCwgMCwgXygiRm9yIGhlbHAgd2l0aCBkYXRlIGZvcm1hdHMs IHBsZWFzZSBzZWU6XG4lcyIpLAorICAgICAgICAgICAoImh0dHA6Ly93d3cuZ251Lm9yZy9z b2Z0d2FyZS9jb3JldXRpbHMvZmFxL2NvcmV1dGlscy1mYXEuaHRtbCIKKyAgICAgICAgICAg ICIjVGhlLWRhdGUtY29tbWFuZC1pcy1ub3Qtd29ya2luZy1yaWdodF8wMDJlIikpOworfQor CiAvKiBQYXJzZSBlYWNoIGxpbmUgaW4gSU5QVVRfRklMRU5BTUUgYXMgd2l0aCAtLWRhdGUg YW5kIGRpc3BsYXkgZWFjaAogICAgcmVzdWx0aW5nIHRpbWUgYW5kIGRhdGUuICBJZiB0aGUg ZmlsZSBjYW5ub3QgYmUgb3BlbmVkLCB0ZWxsIHdoeQogICAgdGhlbiBleGl0LiAgSXNzdWUg YSBkaWFnbm9zdGljIGZvciBhbnkgbGluZXMgdGhhdCBjYW5ub3QgYmUgcGFyc2VkLgpAQCAt MjY4LDExICsyNzgsNyBAQCBTaG93IHRoZSBsb2NhbCB0aW1lIGZvciA5QU0gbmV4dCBGcmlk YXkgb24gdGhlIHdlc3QgY29hc3Qgb2YgdGhlIFVTXG5cCiBzdGF0aWMgYm9vbAogYmF0Y2hf Y29udmVydCAoY29uc3QgY2hhciAqaW5wdXRfZmlsZW5hbWUsIGNvbnN0IGNoYXIgKmZvcm1h dCkKIHsKLSAgYm9vbCBvazsKICAgRklMRSAqaW5fc3RyZWFtOwotICBjaGFyICpsaW5lOwot ICBzaXplX3QgYnVmbGVuOwotICBzdHJ1Y3QgdGltZXNwZWMgd2hlbjsKIAogICBpZiAoU1RS RVEgKGlucHV0X2ZpbGVuYW1lLCAiLSIpKQogICAgIHsKQEAgLTI4OCw5ICsyOTQsMTAgQEAg YmF0Y2hfY29udmVydCAoY29uc3QgY2hhciAqaW5wdXRfZmlsZW5hbWUsIGNvbnN0IGNoYXIg KmZvcm1hdCkKICAgICAgICAgfQogICAgIH0KIAotICBsaW5lID0gTlVMTDsKLSAgYnVmbGVu ID0gMDsKLSAgb2sgPSB0cnVlOworICBjaGFyICpsaW5lID0gTlVMTDsKKyAgc2l6ZV90IGJ1 ZmxlbiA9IDA7CisgIGJvb2wgb2sgPSB0cnVlOworICBib29sIHNob3dfaGVscCA9IHRydWU7 CiAgIHdoaWxlICgxKQogICAgIHsKICAgICAgIHNzaXplX3QgbGluZV9sZW5ndGggPSBnZXRs aW5lICgmbGluZSwgJmJ1ZmxlbiwgaW5fc3RyZWFtKTsKQEAgLTMwMCwxNiArMzA3LDE1IEBA IGJhdGNoX2NvbnZlcnQgKGNvbnN0IGNoYXIgKmlucHV0X2ZpbGVuYW1lLCBjb25zdCBjaGFy ICpmb3JtYXQpCiAgICAgICAgICAgYnJlYWs7CiAgICAgICAgIH0KIAotICAgICAgaWYgKCEg cGFyc2VfZGF0ZXRpbWUgKCZ3aGVuLCBsaW5lLCBOVUxMKSkKKyAgICAgIHN0cnVjdCB0aW1l c3BlYyB3aGVuOworICAgICAgaWYgKHBhcnNlX2RhdGV0aW1lICgmd2hlbiwgbGluZSwgTlVM TCkpCisgICAgICAgIG9rICY9IHNob3dfZGF0ZSAoZm9ybWF0LCB3aGVuKTsKKyAgICAgIGVs c2UKICAgICAgICAgewogICAgICAgICAgIGlmIChsaW5lW2xpbmVfbGVuZ3RoIC0gMV0gPT0g J1xuJykKICAgICAgICAgICAgIGxpbmVbbGluZV9sZW5ndGggLSAxXSA9ICdcMCc7Ci0gICAg ICAgICAgZXJyb3IgKDAsIDAsIF8oImludmFsaWQgZGF0ZSAlcyIpLCBxdW90ZSAobGluZSkp OwotICAgICAgICAgIG9rID0gZmFsc2U7Ci0gICAgICAgIH0KLSAgICAgIGVsc2UKLSAgICAg ICAgewotICAgICAgICAgIG9rICY9IHNob3dfZGF0ZSAoZm9ybWF0LCB3aGVuKTsKKyAgICAg ICAgICBpbnZhbGlkX2RhdGUgKGxpbmUsIHNob3dfaGVscCk7CisgICAgICAgICAgb2sgPSBz aG93X2hlbHAgPSBmYWxzZTsKICAgICAgICAgfQogICAgIH0KIApAQCAtNTI0LDcgKzUzMCwx MCBAQCBtYWluIChpbnQgYXJnYywgY2hhciAqKmFyZ3YpCiAgICAgICAgIH0KIAogICAgICAg aWYgKCEgdmFsaWRfZGF0ZSkKLSAgICAgICAgZXJyb3IgKEVYSVRfRkFJTFVSRSwgMCwgXygi aW52YWxpZCBkYXRlICVzIiksIHF1b3RlIChkYXRlc3RyKSk7CisgICAgICAgIHsKKyAgICAg ICAgICBpbnZhbGlkX2RhdGUgKGRhdGVzdHIsIHRydWUpOworICAgICAgICAgIHJldHVybiBF WElUX0ZBSUxVUkU7CisgICAgICAgIH0KIAogICAgICAgaWYgKHNldF9kYXRlKQogICAgICAg ICB7CkBAIC01NDAsNyArNTQ5LDcgQEAgbWFpbiAoaW50IGFyZ2MsIGNoYXIgKiphcmd2KQog ICAgICAgb2sgJj0gc2hvd19kYXRlIChmb3JtYXQsIHdoZW4pOwogICAgIH0KIAotICBleGl0 IChvayA/IEVYSVRfU1VDQ0VTUyA6IEVYSVRfRkFJTFVSRSk7CisgIHJldHVybiBvayA/IEVY SVRfU1VDQ0VTUyA6IEVYSVRfRkFJTFVSRTsKIH0KIAogLyogRGlzcGxheSB0aGUgZGF0ZSBh bmQvb3IgdGltZSBpbiBXSEVOIGFjY29yZGluZyB0byB0aGUgZm9ybWF0IHNwZWNpZmllZAot LSAKMS45LjAKCg== --------------090008060101040808000900--
bug-coreutils@HIDDEN:bug#17451; Package coreutils.
Full text available.Received: (at 17451-done) by debbugs.gnu.org; 10 May 2014 19:19:11 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat May 10 15:19:11 2014 Received: from localhost ([127.0.0.1]:58336 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1WjCne-0003Hs-MP for submit <at> debbugs.gnu.org; Sat, 10 May 2014 15:19:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:54987) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from <eblake@HIDDEN>) id 1WjCna-0003He-Vs; Sat, 10 May 2014 15:19:08 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s4AJJ4TN031635 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 10 May 2014 15:19:04 -0400 Received: from [10.3.113.54] (ovpn-113-54.phx2.redhat.com [10.3.113.54]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s4AJJ3lY020358; Sat, 10 May 2014 15:19:03 -0400 Message-ID: <536E7BA7.2050607@HIDDEN> Date: Sat, 10 May 2014 13:19:03 -0600 From: Eric Blake <eblake@HIDDEN> Organization: Red Hat, Inc. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: "Yin, Dazhong@ARB" <dyin@HIDDEN>, 17451-done <at> debbugs.gnu.org Subject: Re: bug#17451: date command: Bug? References: <C08E8A6A721CF9429FB6099DC5FFC3F4C61F4C@HIDDEN> In-Reply-To: <C08E8A6A721CF9429FB6099DC5FFC3F4C61F4C@HIDDEN> X-Enigmail-Version: 1.6 OpenPGP: url=http://people.redhat.com/eblake/eblake.gpg Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="1Iwt15JU0v5sxhlWLsefaR4Al8CE2lWf0" X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Spam-Score: -5.7 (-----) X-Debbugs-Envelope-To: 17451-done X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <http://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <http://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: <http://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: -5.7 (-----) This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --1Iwt15JU0v5sxhlWLsefaR4Al8CE2lWf0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable tag 17451 notabug thanks On 05/09/2014 12:07 PM, Yin, Dazhong@ARB wrote: > When querying the time zone, the date command cannot deal with the hour= when time changes from standard time to daylight saving time. That's because that hour does not exist in your timezone. All of your examples look like correct behavior to me. You've asked a FA= Q: https://www.gnu.org/software/coreutils/faq/coreutils-faq.html#The-date-co= mmand-is-not-working-right_002e Our advice is to compute dates in UTC, or when sticking to a locale with daylight savings, then compute dates relative to noon rather than near the hour that might disappear or be doubled. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --1Iwt15JU0v5sxhlWLsefaR4Al8CE2lWf0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJTbnunAAoJEKeha0olJ0Nq/s8H/RsR7Fhjydr9UtVdysBwv+n8 RjTpc7SG758K3VKE2wStUaZlBFWwlDrrC4PHaVQxyop1rDyjATeBEy2QWGTxP21E bXU1QiIov70VD4SERmNEqsNIQPIWsuWxqkREx/u69qh8Wf9Lx0SGLrJxdBcfnr0Z /8PY67m3r2SqbZmFqNOFrIIdnn6SMSBZJ8hn/UJBx0WgM/THLdrrQgm6xhmBOx9D XBwjBB7wDpiUFXIpWWMtHcZiiqwDjyGAk7Ee9iEFsg6EhxGEnp7zEfV1BY6bD6kP vwfJLpyokxrnFpGRf6S3+1Mi2CCUwFc+XRnuFdlA/IWZc6fACinMCnpPKr+iG1k= =GQVQ -----END PGP SIGNATURE----- --1Iwt15JU0v5sxhlWLsefaR4Al8CE2lWf0--
"Yin, Dazhong@ARB" <dyin@HIDDEN>:Eric Blake <eblake@HIDDEN>:Eric Blake <eblake@HIDDEN>
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From: "Yin, Dazhong@ARB" <dyin@HIDDEN>
To: "bug-coreutils@HIDDEN" <bug-coreutils@HIDDEN>
Subject: date command: Bug?
Thread-Topic: date command: Bug?
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Date: Fri, 9 May 2014 18:07:06 +0000
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--_000_C08E8A6A721CF9429FB6099DC5FFC3F4C61F4CMRF01DAG3S06rf01i_
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When querying the time zone, the date command cannot deal with the hour whe=
n time changes from standard time to daylight saving time. Below examples =
show the tests done in the Pacific time zone.
---------------------------------------------------------------------------=
--------------------------------------------------------------------
date -d "20120311 01" +%:::z
-08
date -d "20120311 02" +%:::z
date: invalid date `20120311 02'
date -d "20120311 03" +%:::z
-07
date -d "20140309 01" +%:::z
-08
date -d "20140309 02" +%:::z
date: invalid date `20140309 02'
date -d "20140309 03" +%:::z
-07
--_000_C08E8A6A721CF9429FB6099DC5FFC3F4C61F4CMRF01DAG3S06rf01i_
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osoft-com:office:office" xmlns:w=3D"urn:schemas-microsoft-com:office:word" =
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<p class=3D"MsoNormal">When querying the time zone, the date command cannot=
deal with the hour when time changes from standard time to daylight saving=
time. Below examples show the tests done in the Pacific time zone.<o=
:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">----------------------------------------------------=
---------------------------------------------------------------------------=
----------------<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20120311 01" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">-08<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20120311 02" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">date: invalid date `20120311 02'<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20120311 03" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">-07<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20140309 01" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">-08<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20140309 02" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">date: invalid date `20140309 02'<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">date -d "20140309 03" +%:::z<o:p></o:p=
></p>
<p class=3D"MsoNormal">-07<o:p></o:p></p>
</div>
</body>
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--_000_C08E8A6A721CF9429FB6099DC5FFC3F4C61F4CMRF01DAG3S06rf01i_--
"Yin, Dazhong@ARB" <dyin@HIDDEN>:bug-coreutils@HIDDEN.
Full text available.bug-coreutils@HIDDEN:bug#17451; Package coreutils.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.