From debbugs-submit-bounces@debbugs.gnu.org Sun Dec 16 17:10:12 2018 Received: (at submit) by debbugs.gnu.org; 16 Dec 2018 22:10:12 +0000 Received: from localhost ([127.0.0.1]:50669 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gYec0-0003ZR-FF for submit@debbugs.gnu.org; Sun, 16 Dec 2018 17:10:12 -0500 Received: from eggs.gnu.org ([208.118.235.92]:33994) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gYcZ8-0004Ta-AL for submit@debbugs.gnu.org; Sun, 16 Dec 2018 14:59:06 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gYcZ2-0005qX-67 for submit@debbugs.gnu.org; Sun, 16 Dec 2018 14:59:00 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_05,FREEMAIL_FROM autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:39842) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gYcZ1-0005q8-WA for submit@debbugs.gnu.org; Sun, 16 Dec 2018 14:59:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43558) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gYcZ1-0007FM-3q for bug-coreutils@gnu.org; Sun, 16 Dec 2018 14:58:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gYcYz-0005n2-MU for bug-coreutils@gnu.org; Sun, 16 Dec 2018 14:58:58 -0500 Received: from mail-oi1-x236.google.com ([2607:f8b0:4864:20::236]:44036) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gYcYz-0005Y0-9g for bug-coreutils@gnu.org; Sun, 16 Dec 2018 14:58:57 -0500 Received: by mail-oi1-x236.google.com with SMTP id m6so8552452oig.11 for ; Sun, 16 Dec 2018 11:58:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=1R8BxxIlaH3Rn4mvu9cb8pLgL0WdoE52UllG0nupu5k=; b=X+1t0lmoSz8m6wWN0I+w/9K8HBI0tvFxM9XmH1/Q+HfpgPMgxKe2A7LY4QxdhiNQJw MUcc0ZWk/3adiSj5E5EhelS60Y+Yn407osdbzNYqqG6KavMuxakSER4VmNqsmfJwnyfi sOG/Yj1t0Fm3GpXyvEFTcKBMJI13CNS12euwI18P0lzc4qMvVSXTF934+sKN64tTFVxx V7T55ZLMNLUDwUrMf+NqaseZDm6CMr/cTb50LyGMq6wLuYzP0D/xwLo1chBirtVfX51j YtIGvddo60fJRkJyOILLV+MavtXDQgHwRUTXfpz2BbEhoGoeUNllkPmjBHtmvQzY2YE+ aIpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=1R8BxxIlaH3Rn4mvu9cb8pLgL0WdoE52UllG0nupu5k=; b=cCrLYXSi10EtIFn+5Cvl3yt09rWZ24vRrUzZphD/fb2TrgKiafKUZKTXw4Zz1VW33u Btxqx43kEBSBo9VmSNdq3HPiT9VrsiMFR4dKOLPGEdxQ5giyEfKTnT1rVGZ3ktyuDXxW NVml1Go1dLp++bCtluckmj7xxVASGTtJZHEGN+zYtEQ2TzJCiQCXO0S1FTOtv8VhmQXJ i4jFNE72ThgY/I0C3uPdSyKPdGzwUe5Ioq9eFdMOwJb7ELfYn8vEEIn+8zA/3t9cV13Q /38Oy9jn8aRK1VLqSbk6TJDRXQf63gzMBV6BrsHrufxVX9XyOQypbYpbM49GK+pb24Ka sJXg== X-Gm-Message-State: AA+aEWZ1lvP70hgqFd4SyV4LxpIuAV9IFhhdqUcDuNlaqCZkyNSXJs4B AOm+Cmv6Cx3Cb0V9GG9d+8nWqdI4AuFBv4m7Niq24tnaiLI= X-Google-Smtp-Source: AFSGD/V/E8n6Nf656qrNb/7OF7oMDdF3zZvCM7MrNbnhlckdyLZB3ckqXg7xttOpH5iCDTGHe7QNpuHncZqJ0fL7K8c= X-Received: by 2002:aca:4a56:: with SMTP id x83mr3632176oia.11.1544990331259; Sun, 16 Dec 2018 11:58:51 -0800 (PST) MIME-Version: 1.0 From: Valentin Schild Date: Sun, 16 Dec 2018 20:58:39 +0100 Message-ID: Subject: glitch in cat To: bug-coreutils@gnu.org Content-Type: multipart/mixed; boundary="000000000000e0880f057d2917c8" X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Sun, 16 Dec 2018 17:10:11 -0500 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: -5.0 (-----) --000000000000e0880f057d2917c8 Content-Type: text/plain; charset="UTF-8" Hi, somehow, when using cat to display a file's content, I get output to the command line The file to output contains ^[Z like attached file "catbug". In terminal I type cat catbug --000000000000e0880f057d2917c8 Content-Type: application/octet-stream; name=catbug Content-Disposition: attachment; filename=catbug Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_jprb5win0 G1oK --000000000000e0880f057d2917c8-- From debbugs-submit-bounces@debbugs.gnu.org Wed Dec 19 08:01:49 2018 Received: (at 33774) by debbugs.gnu.org; 19 Dec 2018 13:01:49 +0000 Received: from localhost ([127.0.0.1]:54056 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gZbTw-00025L-Sc for submit@debbugs.gnu.org; Wed, 19 Dec 2018 08:01:49 -0500 Received: from mout.kundenserver.de ([217.72.192.75]:57745) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gZbTu-000252-Jc; Wed, 19 Dec 2018 08:01:47 -0500 Received: from [10.0.2.15] ([62.153.148.194]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1Mj831-1h5w1O3XLJ-00fCEW; Wed, 19 Dec 2018 14:01:39 +0100 Subject: Re: bug#33774: glitch in cat To: Valentin Schild , 33774@debbugs.gnu.org References: From: Bernhard Voelker Message-ID: <7a404b29-9c37-233f-c2fe-4861263f15af@bernhard-voelker.de> Date: Wed, 19 Dec 2018 14:01:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.3 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:vaPMc+VSvnZVdqPnqZcrJVgMigX4i1+u8P6pZ9TZY+ndzSYyfXb Klymt8/pofkh76ZKJDP2WKZgxzLC6E3B8GVwhWbvN2KL0bTbPnGRULRs3uPSfERffyNIpTd 1OAEExdUDL7fFocvAnefejyJXosq6JiCZcOgg8/xB9nModNaqiaQoSade9yI3rW5P2JgPZd Uxx+RaudCy266IP3PZZ9g== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:SwwABGei/Ww=:JvnWBqbuOR0g4caOX/p1s/ SISdfzJELNYIlkoBhvwPbT7sWMo3lq+agZHNe4qOySfURDt/xIYxY684PByXKgWkk3JpYOtZk 4h3JZTR8JEU/amNUXc1OYz/fmu67TAvwI5NlgOYb3yOSn/Jg1w4FcFA8fRpVToxefZEQtlUpg sdEDNGNSo7jrpYKzSXdDQ78GDRiP0m5TC5BAu/M62OQ1A89/5ZfpcWnnK+rVjvVUn1IsSrjWk LNO2M1e6fQ1NP0c53q1yBgSRJPRWhIv111SKqcYz9nzgEkvDCPKU13keYYudU7bYU/ol3pyJT fiteUX0r1s0bqcNzgwY7JZ30NkEgrB6tF0mrg9ZYMxa7eyd1tsnlKxN8H3TV/1OfUk2mXi/mu ePMkHwWl1p/5UOk4ErAHfF+n0QNhJEtxXhFXB2DQ7K8fvnCygG8KFtYMB8aQPjcv0IwGfDEob qJvZnaW3fVA4w3PMgczOGKP5YWzmp9SHRnWWlF4fSklojUbPLMwKe2Wxt5Xzjey8DqPVTdaXg ob0XgjQzPt3xy0FqWOFCLDOcYpixdC7DszgJkTFB0CPjIYMEmQMj0ZG2MeuQMrx1TU10Ck0OI /a72sZospsbpsELpvliNN1XVhPWXmFw495GA1wmJBfdDzBK/ClI/8lLrnTOd2B6/trXgGIiiU 8nwRcJvKd+/GrARQmEzKv0LYaGiwCopRq5zAXICo9Pr/vmKRywyhOZ1rzVYZHjaClga5E4FL9 mUBzCNs7+b3/SedKonT960bVBNwJ8CKhT9KBKkYEUNZOZbur/1C8ZdJYkV61vUAkD3W8/fzVh VZ7RpkF X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 33774 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 33774 notabug close 33774 stop On 12/16/18 8:58 PM, Valentin Schild wrote: > somehow, when using cat to display a file's content, I get output to > the command line > The file to output contains > ^[Z > like attached file "catbug". > > In terminal I type > cat catbug That's the point: the terminal treats some control characters specially, and therefore does not display them. Your file contains 3 bytes: - octal 33, - a 'Z', and - octal 12 (=newline): od -to1z catbug 0000000 033 132 012 >.Z.< 0000003 And cat(1) is exactly writing that to the terminal: $ strace -ve write cat catbug write(1, "\33Z\n", 3) = 3 +++ exited with 0 +++ As there seems nothing to be wrong in 'cat', I'm marking this as not a bug in our bug tracker. Of course, discussion on this may continue, and we may even re-open this issue if needed. Have a nice day, Berny From unknown Sun Jun 15 01:08:37 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. Date: Thu, 17 Jan 2019 12:24:08 +0000 User-Agent: Fakemail v42.6.9 # This is a fake control message. # # The action: # bug archived. thanks # This fakemail brought to you by your local debbugs # administrator