Received: (at 44959) by debbugs.gnu.org; 30 Nov 2020 21:32:06 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Nov 30 16:32:06 2020 Received: from localhost ([127.0.0.1]:56913 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1kjqmE-0003dI-1Z for submit <at> debbugs.gnu.org; Mon, 30 Nov 2020 16:32:06 -0500 Received: from mail-wr1-f51.google.com ([209.85.221.51]:40532) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <pixelbeat@HIDDEN>) id 1kjqmC-0003co-9D for 44959 <at> debbugs.gnu.org; Mon, 30 Nov 2020 16:32:04 -0500 Received: by mail-wr1-f51.google.com with SMTP id o1so4314627wrx.7 for <44959 <at> debbugs.gnu.org>; Mon, 30 Nov 2020 13:32:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=ZeNHGF6eg84alEfZ8KlisA8z8vd3qxEqysqYbdEUze0=; b=uP5k+Rog5Bakv5IiorbacJciE+UBCZMPK+jIuAK3uPy3HT0BnFFlkwt/zpRBDeWLd9 TLbzthK2tOagqon4vc9trRN10IkGgVHQLClmqQ5mwB/Sli+w3YQGLUau/LWwml2QiMVM sHANgbrQRdiiRoFOsov9mLR59FBmCTs6TiJO98llPAr8/M12Gt2NWYtylmeHGv9AETlq ovsuZaz5A1xk32waeXEJUflQlNBD8j9GIUrM8Ih3nTTNyzvQvqgFJ3K2BMU+VY33LKuL dMc8SwTlDwW5yqD5cvyoGXPSkewIYuzzw2DkGYHrZCNiM2Zrfmeba+9u+yBq16lJtvMp 2b6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:from:to:cc:references:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=ZeNHGF6eg84alEfZ8KlisA8z8vd3qxEqysqYbdEUze0=; b=BtSzdgs9d7q31zz9qavM+iQFhANlA1U+ADeekKccL/Ozne8yzHElCNoXqIfjCw7eQ3 77r9nTqQS9S+ZI5r4AYTGjC4CfoGNIJ2yIAcQ1Ds4HbX7xhO+GrOhQBoOqbv3U5JnpAD QDLO/jMWptHfEDslrheVFe+LfeIri8tjTWsFljoBaWRedblwbPYjiWlHgxvPlwCWBMDt gOT1cYT91hSVaJ81mRVKZF+tJ2AF+cWU4Y1DBmsKQRD1ZwDyX5bn1c0MZfX8DkPVorFn Pg+M1wTdgq7iPJEIye16x96He5XnH45+bZeJYnqBcb7RXHkf2WgMoEWMi2iLOmYzcht+ Ysmg== X-Gm-Message-State: AOAM533tCIsdPactnIhKDgnmDstfLC5IR7u4Z0IUs4MzpB8EAFLvxaqz ZGy9Kz8Su99XZ5VQZgwZUnCyYmt+vpOBaA== X-Google-Smtp-Source: ABdhPJwu6n6D6LOQvsSHnUQt6wbvzrUahJS2vbdnz8e9ZC1j/514gTyOK5GYrOf+ZMR5lsXvvu3XuQ== X-Received: by 2002:a5d:4d41:: with SMTP id a1mr30981108wru.399.1606771918471; Mon, 30 Nov 2020 13:31:58 -0800 (PST) Received: from localhost.localdomain (86-42-14-227-dynamic.agg2.lod.rsl-rtd.eircom.net. [86.42.14.227]) by smtp.googlemail.com with UTF8SMTPSA id b12sm1676331wmj.2.2020.11.30.13.31.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Nov 2020 13:31:57 -0800 (PST) Subject: Re: bug#44959: date error message should say -I From: =?UTF-8?Q?P=c3=a1draig_Brady?= <P@HIDDEN> To: =?UTF-8?B?56mN5Li55bC8IERhbiBKYWNvYnNvbg==?= <jidanni@HIDDEN> References: <87eekbgf7g.5.fsf@HIDDEN> <3c688411-a4a3-e691-0a01-7bc0dfc73fa1@HIDDEN> <87zh2yg9av.5.fsf@HIDDEN> <e077561f-872c-39bf-27c8-08911ac27b72@HIDDEN> Message-ID: <18d46ac8-667e-f92b-868f-73504939b31c@HIDDEN> Date: Mon, 30 Nov 2020 21:31:56 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:84.0) Gecko/20100101 Thunderbird/84.0 MIME-Version: 1.0 In-Reply-To: <e077561f-872c-39bf-27c8-08911ac27b72@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 44959 Cc: 44959 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://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: <https://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: -0.5 (/) On 30/11/2020 17:22, Pádraig Brady wrote: > On 30/11/2020 15:21, 積丹尼 Dan Jacobson wrote: >> Well OK, but when and when not to use the "=" is not revealed by the >> otherwise detailed error messages. So unless the user checks the manual, >> they will never "get it". > > If we were to recognize "-I seconds", > it should just be for diagnostic help. > I.e. we should minimize the combinations of valid inputs, > for compatibility, consistency, and simplicity. > > I'll have a look at improving diagnostics in this area. This is one of the reasons we avoid args to short options, and new short options in general. Optional args to short options are rare in coreutils: $ grep -- '-[[:alpha:]]\[[A-Z]' man/*.1 | sed 's/,.*//' man/date.1:\fB\-I[FMT]\fR man/od.1:\fB\-w[BYTES]\fR man/pr.1:\fB\-e[CHAR[WIDTH]]\fR man/pr.1:\fB\-i[CHAR[WIDTH]]\fR man/pr.1:\fB\-n[SEP[DIGITS]]\fR man/pr.1:\fB\-s[CHAR]\fR man/pr.1:\fB\-s[CHAR]\fR turns off line truncation of all 3 column man/pr.1:\fB\-S[STRING]\fR Non option args to short options as less rare: $ grep 'B\\-[^\].*=' man/*.1 For my reference, if we were to give explicit diagnosis of the leading '='. we would need to update xstrtol_fatal, XARGMATCH, operand2sig, set_fields, ... cheers, Pádraig
bug-coreutils@HIDDEN:bug#44959; Package coreutils.
Full text available.Received: (at 44959) by debbugs.gnu.org; 30 Nov 2020 17:22:56 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Nov 30 12:22:56 2020 Received: from localhost ([127.0.0.1]:56538 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1kjmt5-0005Yn-U7 for submit <at> debbugs.gnu.org; Mon, 30 Nov 2020 12:22:56 -0500 Received: from mail-wm1-f45.google.com ([209.85.128.45]:51795) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <pixelbeat@HIDDEN>) id 1kjmt4-0005YY-M7 for 44959 <at> debbugs.gnu.org; Mon, 30 Nov 2020 12:22:55 -0500 Received: by mail-wm1-f45.google.com with SMTP id v14so13652496wml.1 for <44959 <at> debbugs.gnu.org>; Mon, 30 Nov 2020 09:22:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=vFC+c8p/hpmVGgQ6Vr6FuRPkflyy36Ofii7vuL08DwY=; b=d2TnE1DBGXPxHEuCcJoraFC5ed4WKKL26ZpyYQz9mpw0GgoWguyOOG8Bzn0EENWvgw 0CFqBief85K/Z71U4cQWDbLObCbWpPzuM7GpvNz5+2KJziCYI7DzOEjC2xv57uVqvIZK f1G+Il8/cGyCh5iPcHr41EXctdm8npn5ANLAgGdhPTji4LPFtpH+KmnhTOxNyfKlbHpW 6lCNqd/o6L2H06HaIzV0b6djUhvihG3d0NELFgtCcxKx4IGjBA5Wo8gYw3A9d16KUwOm Vy+Afie5WZggrouJVViwRg+hVsuklI8oY+8wXNzHM6h1acj11bjAf45VD2M2SW0j2xmk B4lA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:subject:to:cc:references:from:message-id :date:user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=vFC+c8p/hpmVGgQ6Vr6FuRPkflyy36Ofii7vuL08DwY=; b=mkruoHpZpxTm2YEQQudSX2D11gry3MnQ96eV1i+4uymyZ/qsC9V62Dnark5jRE2UxB DwxSwxb0tzyBWOHjuLHZfIkL3i542b+X4BwEk6NbthCLLvvEI8CK6kbff0D843VrtQ6F zlhPazUByoEYqLfIsCniM3FMwfxWWqXCz1+Arv6iB20VQqkCtVEDmBdDsTAlDqGRD4Vq 6Bq1kGIrFRfNv7fHcUC2eZL1egnuZpQrYX3gGNLR0G38Yhrvklavuhd10wkaph5XDfR2 AJZMmHbFiGqCuCLOprnDkB7BvgNda5F6pGQLZUp781RZ6hglzELUGjQaOCe/z0kg1Hnx V3iw== X-Gm-Message-State: AOAM530CuXiaCWH1pfqHNSwdVkqD+76acN7fDknJVxOljxk2lO9MALK2 CKRUqA1V7aoPlD9FHKP6ne3oKSyM0gIAeQ== X-Google-Smtp-Source: ABdhPJwUQMrbpT1pXbXmCNUMEQ/wfGvPcxF96oa3MAiaUVZ7sNQYUUCMzSXle97Ma3KUQMOvr07vqw== X-Received: by 2002:a05:600c:224b:: with SMTP id a11mr2679786wmm.97.1606756968891; Mon, 30 Nov 2020 09:22:48 -0800 (PST) Received: from localhost.localdomain (86-42-14-227-dynamic.agg2.lod.rsl-rtd.eircom.net. [86.42.14.227]) by smtp.googlemail.com with UTF8SMTPSA id f23sm24451409wmb.43.2020.11.30.09.22.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Nov 2020 09:22:48 -0800 (PST) Subject: Re: bug#44959: date error message should say -I To: =?UTF-8?B?56mN5Li55bC8IERhbiBKYWNvYnNvbg==?= <jidanni@HIDDEN>, Bernhard Voelker <mail@HIDDEN> References: <87eekbgf7g.5.fsf@HIDDEN> <3c688411-a4a3-e691-0a01-7bc0dfc73fa1@HIDDEN> <87zh2yg9av.5.fsf@HIDDEN> From: =?UTF-8?Q?P=c3=a1draig_Brady?= <P@HIDDEN> Message-ID: <e077561f-872c-39bf-27c8-08911ac27b72@HIDDEN> Date: Mon, 30 Nov 2020 17:22:47 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:84.0) Gecko/20100101 Thunderbird/84.0 MIME-Version: 1.0 In-Reply-To: <87zh2yg9av.5.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Spam-Score: 0.5 (/) X-Debbugs-Envelope-To: 44959 Cc: 44959 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://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: <https://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: -0.5 (/) On 30/11/2020 15:21, 積丹尼 Dan Jacobson wrote: > Well OK, but when and when not to use the "=" is not revealed by the > otherwise detailed error messages. So unless the user checks the manual, > they will never "get it". If we were to recognize "-I seconds", it should just be for diagnostic help. I.e. we should minimize the combinations of valid inputs, for compatibility, consistency, and simplicity. I'll have a look at improving diagnostics in this area. cheers, Pádraig
bug-coreutils@HIDDEN:bug#44959; Package coreutils.
Full text available.Received: (at 44959) by debbugs.gnu.org; 30 Nov 2020 15:21:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Nov 30 10:21:36 2020 Received: from localhost ([127.0.0.1]:56279 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1kjkzf-00025d-PF for submit <at> debbugs.gnu.org; Mon, 30 Nov 2020 10:21:36 -0500 Received: from crocodile.elm.relay.mailchannels.net ([23.83.212.45]:20887) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <jidanni@HIDDEN>) id 1kjkzd-00025I-Fg for 44959 <at> debbugs.gnu.org; Mon, 30 Nov 2020 10:21:34 -0500 X-Sender-Id: dreamhost|x-authsender|jidanni@HIDDEN Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 3D7D7182365; Mon, 30 Nov 2020 15:21:19 +0000 (UTC) Received: from pdx1-sub0-mail-a64.g.dreamhost.com (100-96-27-93.trex.outbound.svc.cluster.local [100.96.27.93]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id B1A8A1821DF; Mon, 30 Nov 2020 15:21:18 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|jidanni@HIDDEN Received: from pdx1-sub0-mail-a64.g.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.18.10); Mon, 30 Nov 2020 15:21:19 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|jidanni@HIDDEN X-MailChannels-Auth-Id: dreamhost X-Arch-Cold: 393142767af1db3d_1606749678773_677980993 X-MC-Loop-Signature: 1606749678773:2328904570 X-MC-Ingress-Time: 1606749678773 Received: from pdx1-sub0-mail-a64.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a64.g.dreamhost.com (Postfix) with ESMTP id 7AD747F59D; Mon, 30 Nov 2020 07:21:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=jidanni.org; h=from:to:cc :subject:references:date:message-id:mime-version:content-type; s=jidanni.org; bh=F7tb0ZjcKWQx0HKArM9oHJoj024=; b=Y5MklBHHULOkK j71sECzROXgHxrorYiOZK+jumBIc4ftHaLRFUVT1D9ZQNJQm3oImLqXLSDTG+JFw oePszKvySj6m13qLVV8xVsD1vsmHG24zla091+Fati0W3PHeIBsVFp2T27YY7bcV /h9XmeIStGKj7hCqbAAO37qNz9KnBQ= Received: from jidanni.org (1-170-80-165.dynamic-ip.hinet.net [1.170.80.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: jidanni@HIDDEN) by pdx1-sub0-mail-a64.g.dreamhost.com (Postfix) with ESMTPSA id D45087E38D; Mon, 30 Nov 2020 07:21:17 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a64 From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN> To: Bernhard Voelker <mail@HIDDEN> Subject: Re: bug#44959: date error message should say -I References: <87eekbgf7g.5.fsf@HIDDEN> <3c688411-a4a3-e691-0a01-7bc0dfc73fa1@HIDDEN> Date: Mon, 30 Nov 2020 23:21:12 +0800 Message-ID: <87zh2yg9av.5.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 44959 Cc: 44959 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://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: <https://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: -1.0 (-) Well OK, but when and when not to use the "=" is not revealed by the otherwise detailed error messages. So unless the user checks the manual, they will never "get it".
bug-coreutils@HIDDEN:bug#44959; Package coreutils.
Full text available.Received: (at 44959) by debbugs.gnu.org; 30 Nov 2020 14:51:28 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Mon Nov 30 09:51:28 2020 Received: from localhost ([127.0.0.1]:54318 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1kjkWV-0000sU-OX for submit <at> debbugs.gnu.org; Mon, 30 Nov 2020 09:51:27 -0500 Received: from mail-wr1-f41.google.com ([209.85.221.41]:43239) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <celvidge001@HIDDEN>) id 1kjkWT-0000sG-Th for 44959 <at> debbugs.gnu.org; Mon, 30 Nov 2020 09:51:26 -0500 Received: by mail-wr1-f41.google.com with SMTP id s8so16552526wrw.10 for <44959 <at> debbugs.gnu.org>; Mon, 30 Nov 2020 06:51:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=oMvZfudzx2+A9L+/vIgW2j8oiittp59Plrq5C5OG15s=; b=F7R3LBn369emOK9wySYo9Rr+khHzemIoXRusSwB0kffUGWcVzeKiIt6Kyo5P4qpYrm 6LcTrMLjY75Q9HuutpDLUgSONE2cAfbZ0k2p3+8liS/jo9WiJNvOmLRsNklUu9DL8ZaN 7UDzA0R3lKVx/4o+2W9w2QnReHMetUvNtByoR5835UzQ5gQQQd7GE3OTzNr/RL+hkcNe YNp/YWr39srCSOEnD1KpK2RdjK2sbcErBQYgKTzW6+H+OwCUw2R+KnSV38Kyh9lG7adO GxEMOKSFGSyUEoLWIv5X+VMYi5WcwdyRxaLfqTsqP4Piznr2ysqXh8p8+2EambwT6PME B/Tw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=oMvZfudzx2+A9L+/vIgW2j8oiittp59Plrq5C5OG15s=; b=bR8xp936+TJVbSIlGJ9cHb+c9dodYyCfHzcYNEKQIiGQWWdjkrGVjeBNJ75H6hn/s+ l17/CwAUyDz39xxGXrYBSpt6KhGkwWQqTOCVa5gYirBnqZYMrn+wcLR8/II4wpSpLau6 7uQLxrY4a4llzD3Tot+6sKya8G2rA3ahqaC32AsszXTa0j6Ph9BDWTOIGZWhUZ2MgKk7 i1cg1jKHAThKAZljY/zLoJhh9z6LrUdAY+yI5DM/Rum+ltCsubVcvY0jA4r6rCzHBtvR azxrkYc2rJw8gv+ZeDkqtv3s0FTy6mPOnDc8ETqzeHBgKEKpquSrXRDF3S+HGV5HANtL 7mqQ== X-Gm-Message-State: AOAM531L43TvsYdAzpg3eUA0tQlXvZIAft3/KVqzQjDaBwAJpxblUHHR s5B0scucf6krMdy6JHMd8sJRlOHfKrnFyg== X-Google-Smtp-Source: ABdhPJyDo+FYUDW4HtxATI8Q1Ye3/mCm1BnaL0NJslJeqak5aTuTHyKDr9aTXbZ/wf7gk65BFnsFkw== X-Received: by 2002:a05:6000:1006:: with SMTP id a6mr28142723wrx.367.1606747879499; Mon, 30 Nov 2020 06:51:19 -0800 (PST) Received: from [192.168.23.100] (92.40.173.110.threembb.co.uk. [92.40.173.110]) by smtp.gmail.com with ESMTPSA id f4sm24208494wmb.47.2020.11.30.06.51.17 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 30 Nov 2020 06:51:18 -0800 (PST) Subject: Re: bug#44959: date error message should say -I To: Bernhard Voelker <mail@HIDDEN>, =?UTF-8?B?56mN5Li55bC8IERhbiBKYWNvYnNvbg==?= <jidanni@HIDDEN>, 44959 <at> debbugs.gnu.org References: <87eekbgf7g.5.fsf@HIDDEN> <3c688411-a4a3-e691-0a01-7bc0dfc73fa1@HIDDEN> From: Chris Elvidge <celvidge001@HIDDEN> Message-ID: <5de5eafd-7149-204b-3d86-19f14dc6737e@HIDDEN> Date: Mon, 30 Nov 2020 14:51:16 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 Lightning/5.4 MIME-Version: 1.0 In-Reply-To: <3c688411-a4a3-e691-0a01-7bc0dfc73fa1@HIDDEN> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit X-Spam-Score: 0.2 (/) X-Debbugs-Envelope-To: 44959 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://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: <https://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: -0.8 (/) On 30/11/2020 01:40 pm, Bernhard Voelker wrote: > On 11/30/20 2:13 PM, 積丹尼 Dan Jacobson wrote: >> $ date -I=seconds >> date: invalid argument ‘=seconds’ for ‘--iso-8601’ > > Hmm, first of all, 'date' 8.32 outputs more than the above: > > $ date -I=seconds > date: invalid argument '=seconds' for '--iso-8601' > Valid arguments are: > - 'hours' > - 'minutes' > - 'date' > - 'seconds' > - 'ns' > Try 'date --help' for more information. > >> Hey, that is a valid argument for --iso-8601. (But not for -I, so say >> that instead.) > ... >> date (GNU coreutils) 8.32 > >>From the above error message and from the --help output, one can see that > the -I option does not require the argument to be appended with "=FMT" but > just "FMT": > > $ date --help | grep -- -I > -I[FMT], --iso-8601[=FMT] output date/time in ISO 8601 format. > > So, I'd say 'date' works as expected: > > $ date -Iseconds > 2020-11-30T14:38:35+01:00 > > Have a nice day, > Berny > > > > Is -I the only option that doesn't accept a space separator between it and its argument? Is that because it doesn't require an argument? Could/Should the argument after -I be parsed and used if it is one of date hours minutes seconds ns? (Could it also parse for mins secs?) But used as a separate option if not parsed as an argument? Is this too difficult? Cheers -- Chris Elvidge
bug-coreutils@HIDDEN:bug#44959; Package coreutils.
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Subject: Re: bug#44959: date error message should say -I
To: =?UTF-8?B?56mN5Li55bC8IERhbiBKYWNvYnNvbg==?= <jidanni@HIDDEN>,
44959 <at> debbugs.gnu.org
References: <87eekbgf7g.5.fsf@HIDDEN>
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On 11/30/20 2:13 PM, 積丹尼 Dan Jacobson wrote:
> $ date -I=seconds
> date: invalid argument ‘=seconds’ for ‘--iso-8601’
Hmm, first of all, 'date' 8.32 outputs more than the above:
$ date -I=seconds
date: invalid argument '=seconds' for '--iso-8601'
Valid arguments are:
- 'hours'
- 'minutes'
- 'date'
- 'seconds'
- 'ns'
Try 'date --help' for more information.
> Hey, that is a valid argument for --iso-8601. (But not for -I, so say
> that instead.)
...
> date (GNU coreutils) 8.32
From the above error message and from the --help output, one can see that
the -I option does not require the argument to be appended with "=FMT" but
just "FMT":
$ date --help | grep -- -I
-I[FMT], --iso-8601[=FMT] output date/time in ISO 8601 format.
So, I'd say 'date' works as expected:
$ date -Iseconds
2020-11-30T14:38:35+01:00
Have a nice day,
Berny
bug-coreutils@HIDDEN:bug#44959; Package coreutils.
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(But not for -I, so say that instead.) Here is a real invalid argument: $ date --iso-8601=3Dsecondsz date: invalid argument =E2=80=98secondsz=E2=80=99 for =E2=80=98--iso-8601= =E2=80=99 date (GNU coreutils) 8.32
積丹尼 Dan Jacobson <jidanni@HIDDEN>:bug-coreutils@HIDDEN.
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