From debbugs-submit-bounces@debbugs.gnu.org Tue Aug 04 14:31:16 2020 Received: (at submit) by debbugs.gnu.org; 4 Aug 2020 18:31:16 +0000 Received: from localhost ([127.0.0.1]:49136 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k31iV-0008TJ-AO for submit@debbugs.gnu.org; Tue, 04 Aug 2020 14:31:16 -0400 Received: from lists.gnu.org ([209.51.188.17]:40704) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k31cF-0008IR-Nc for submit@debbugs.gnu.org; Tue, 04 Aug 2020 14:24:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54640) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k31cF-00014m-DH for bug-coreutils@gnu.org; Tue, 04 Aug 2020 14:24:47 -0400 Received: from s5.eternalimpact.info ([167.86.101.24]:59469) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k31cD-0007u1-GJ for bug-coreutils@gnu.org; Tue, 04 Aug 2020 14:24:47 -0400 Received: from authenticated-user (s5.eternalimpact.info [167.86.101.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by s5.eternalimpact.info (Postfix) with ESMTPSA id 463A8660A07 for ; Tue, 4 Aug 2020 18:19:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=s5.eternalimpact.info; s=mail; t=1596565151; bh=G0UG5QU3IVr7J55EzKojOynAyl4QMBRYQLcBEx4Xd9M=; h=Date:To:From:Subject:From; b=l5ygSmHmaqlltR4QwlB6gUXUh83ZPC2xhEK4TgbSwEryZ5LbpcjwuMMPuzx9Sivvs 4wYAk95oOb0dqe6pgvOrwkp5APj6cdnyeXoNZK66hGCA2xEvtu8IOH7vLtKxSIkXpy yrfmKAP/KFtvkU2K6vXohQ5EB8CGIHSTyB5ePnepSjQT5ZEbpgdV7SvcZ0B+bxC9mO P+KSLpm4h/n8gS/1Bvc+6HuOL97faGKyYkykAiEzo2YVO3bS7bgqYBUteeZEbtr7v1 5g+gRHqKml4k9Dis/VIU69g2nZmPJ7BzgVPDS3u66Bo95eDqVRfLJ/HaU+4r6Wfb3h VmOMxwPDPVi5g== Date: Tue, 4 Aug 2020 18:19:11 +0000 To: bug-coreutils@gnu.org From: Anonymousemail Subject: Tail does not recognize line number spec for multiple files Message-ID: <78fa884c960bd5dc74442ba5458f8ce1@anonymousemail.me> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="b1_WqawrCCvspcDBorDxlcBJwkqBtKMoQrPXs3QCe2AQ" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=167.86.101.24; envelope-from=noreply@anonymousemail.me; helo=s5.eternalimpact.info X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/04 14:19:11 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, HTML_MESSAGE=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 04 Aug 2020 14:31:14 -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: -2.3 (--) This is a multi-part message in MIME format. --b1_WqawrCCvspcDBorDxlcBJwkqBtKMoQrPXs3QCe2AQ Content-Type: text/plain; charset=us-ascii This command gives an error: $ tail -5 foo bar baz tail: option used in invalid context -- 5 For comparison, the equivalent head commans works exactly as expected: $ head -5 foo bar baz ==> foo <== foo line 1 foo line 2 foo line 3 foo line 4 foo line 5 ==> bar <== bar line 1 bar line 2 bar line 3 bar line 4 bar line 5 ==> baz <== baz line 1 baz line 2 baz line 3 baz line 4 baz line 5   --b1_WqawrCCvspcDBorDxlcBJwkqBtKMoQrPXs3QCe2AQ Content-Type: text/html; charset=us-ascii

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This command gives an error:

$ tail -5 foo bar baz
tail: option used in invalid context -- 5

For comparison, the equivalent head commans works exactly as expected:

$ head -5 foo bar baz
==> foo <==
foo line 1
foo line 2
foo line 3
foo line 4
foo line 5

==> bar <==
bar line 1
bar line 2
bar line 3
bar line 4
bar line 5

==> baz <==
baz line 1
baz line 2
baz line 3
baz line 4
baz line 5
  --b1_WqawrCCvspcDBorDxlcBJwkqBtKMoQrPXs3QCe2AQ-- From debbugs-submit-bounces@debbugs.gnu.org Tue Aug 04 15:14:36 2020 Received: (at submit) by debbugs.gnu.org; 4 Aug 2020 19:14:36 +0000 Received: from localhost ([127.0.0.1]:49171 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k32OS-00011c-Gk for submit@debbugs.gnu.org; Tue, 04 Aug 2020 15:14:36 -0400 Received: from lists.gnu.org ([209.51.188.17]:44134) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1k32ON-00011Q-Lv for submit@debbugs.gnu.org; Tue, 04 Aug 2020 15:14:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38190) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k32ON-0000hs-HR for bug-coreutils@gnu.org; Tue, 04 Aug 2020 15:14:31 -0400 Received: from mout.gmx.net ([212.227.15.15]:54609) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k32OL-0005BO-A5 for bug-coreutils@gnu.org; Tue, 04 Aug 2020 15:14:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1596568465; bh=dGxHbiblhdKYNv3We0KDDx+nHHkZLSKq+B6bBspRGSI=; h=X-UI-Sender-Class:Date:From:To:Subject:In-Reply-To:References; b=RhqQCwn1FnOxDeeplPyjGFQg10lVzLyBs6IbmLi3Ra+8q7DDAdBAG10Lf2XL4sMfh hPM6zFWQVu2CrCVJY0ggbN8dg+bURfgqE5LmiWfqQQyLhD1EBMX8NyoPO7nVu72POf ukWxc6Z5vz8K1BMmQMiMW5u4N/wV+Darp+42ga0g= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from gonzo ([87.6.95.122]) by mail.gmx.com (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1M3DO3-1k1fsi2j9x-003aC4 for ; Tue, 04 Aug 2020 21:14:25 +0200 Date: Tue, 4 Aug 2020 21:14:24 +0200 From: Davide Brini To: bug-coreutils@gnu.org Subject: Re: bug#42711: Tail does not recognize line number spec for multiple files In-Reply-To: <78fa884c960bd5dc74442ba5458f8ce1@anonymousemail.me> References: <78fa884c960bd5dc74442ba5458f8ce1@anonymousemail.me> X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Message-ID: <1MgeoI-1kfOPd3TPo-00h3sj@mail.gmx.com> X-Provags-ID: V03:K1:RLDTExJSTHq8tsQJSkiiZs7FUzD5Q18Q+qmZMpmt1BtpNKRpv7Y ZeSJ0oXX2hj3kSfTcsT+YUj3gNoG6RYZiWBrjx/HG7PmnNNeM0paZ1/Wwivr8YOilq5uiqp cXi/RfvuqhQ6RP7pOVF/PMwIA+5yT7EUdwFaiekqJC07Y0DVTindcxGjYPjxOxJ1qOTDFX/ tftzbVt9oSWkRyKYloDJg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:R4tAqd3Kpgk=:IkARf3R7wZ6lW5zeH6A05I VXtNV1pL126TrveoLSepunHTsXNOtThm87BQ0oyBIYGOX1//IojNvRTgwrNfsDGhU3hMyZcaF uTqax3s2pSwxoOccjtvJ3cWysKTnjsltczRQMt6DV8GMl49SA4iOxJ3+VA/4cbMCjvBynQJUJ Wvp5MdSE0bUUluvg6H7y+3b2xVLM0tkIGmzi/CWFYwlSwzn9P8WUWpQ1xq1Up6D/1KSt7tAzv 6IC/48W2jXNpSb2YxSc+fqp4YURXJ4PVcEvHxpqIySvNI2tnaGdt9laT6eniVNDDndNTGrIW5 ydVCevFaxPVYf59c8GovRdIe44NQk8+b6PFHVTxLX+8FnoKCeJ/T9fPrdLnXzWombO/46f2PJ s04Ty8AXHJTKsy/nzQO5+3kdxcLJkyEFuNHZOMl0iK4nSPI0DWy5Z0DIDOD11Oo9iZlunsuYd SqRLAdHTkayHsYTSgwdoJwXqGIoLqnTJtYp4oM70OMa9LxNkQNsmnwkF9NmtCcJ6htvqsCxmF 9CkKrVbvgmtHdAtS9UfQiEEn8Zzqk+ZlVcYFlkGcTc0vAiLyzXWDThcT1dTS3JHn4FXQ7QU8c p5Rdz/4gkl7sWwA03AJ9LfcJdaT1GjlLw2rGbN6fFq+Y1BEcAXmEnmAchBLrP/s6b1g7cEcjX +w/8jRrLPloIw196HVmUdZdpolsOzXQnUItGFN3Kf5EFn8QEM69/rq7y1ofFSM/AwQAMuMxPu apD+TrQ2bjegtUmQRBELxdamjhpEF+42IwmANqFmfEEFY0BnojNB7YsVR/MR4uRaaWXh1GxQz 5Dw+5JvKD4OKVojtCW3l4hQoh62yeZhLwhtD50k90A5+3h041QeB7KVewZLG1gl6+oFAe/keI vyNRMeUrG5lL8sViuBhC/81nKfS34Or9SRV0CvzefHizxRVqTWXMhFJ/QIMRRRGAQoA/L0ZWu 6RE3bxLJsYu1v1Ayx2ysKsHkdBBksM5O0Eb7aluc41Cl1TrOOMZeh6gPPpOmd10Ha8ZjZRyGC KRtQTxq3ny77ppBg8uwQYo+eQ8kHgyW29YJEAg6ITLghqsfzjO+q5lK1t7DyXzwgy5oQBbUfH VGL0hxd3qztFN4qjXEV+HhLSTefzJSLyH2BIwD+hcmN0R2o+fJQ1Aj/BJmBD8lF6cN9Xgn5BJ pZaevuHhbmwe3zrpFtecheVZsEsCPeEBQAVl64/cDE3UWcyU/7z+oa3FIgUcOIzdzcKeDE2eR 35tYF+laNV94xHjat Received-SPF: pass client-ip=212.227.15.15; envelope-from=dave_br@gmx.com; helo=mout.gmx.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/04 15:14:26 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.4 (-) 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: -2.4 (--) On Tue, 4 Aug 2020 18:19:11 +0000, Anonymousemail wrote: > This command gives an error: > > $ tail -5 foo bar baz > tail: option used in invalid context -- 5 > > For comparison, the equivalent head commans works exactly as expected: Even if head works, the - syntax is obsolete and should be replace= d by -n . Try "tail -n 5" and it should work. =2D- D.