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However since 9.6, `cat` reports the following error: cat: -: input file is output file -- Best regards, lilydjwg From debbugs-submit-bounces@debbugs.gnu.org Fri Feb 14 16:05:14 2025 Received: (at control) by debbugs.gnu.org; 14 Feb 2025 21:05:14 +0000 Received: from localhost ([127.0.0.1]:52053 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1tj2s5-0000A1-Pf for submit@debbugs.gnu.org; Fri, 14 Feb 2025 16:05:14 -0500 Received: from mail.cs.ucla.edu ([131.179.128.66]:60170) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from ) id 1tj2s2-0008Vr-N2 for control@debbugs.gnu.org; Fri, 14 Feb 2025 16:05:11 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 7920E3C00E409 for ; Fri, 14 Feb 2025 13:05:03 -0800 (PST) Received: from mail.cs.ucla.edu ([127.0.0.1]) by localhost (mail.cs.ucla.edu [127.0.0.1]) (amavis, port 10032) with ESMTP id 6CGSJjoI8Ed8 for ; Fri, 14 Feb 2025 13:05:03 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by mail.cs.ucla.edu (Postfix) with ESMTP id 416B33C00E40A for ; 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Fri, 14 Feb 2025 13:05:03 -0800 (PST) Message-ID: <2350e1b8-0015-4415-8538-37ac79d19ff9@cs.ucla.edu> Date: Fri, 14 Feb 2025 13:05:02 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: control@debbugs.gnu.org From: Paul Eggert Subject: merge cat bugs Organization: UCLA Computer Science Department Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control 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 (-) merge 76255 76256 76257 From debbugs-submit-bounces@debbugs.gnu.org Sat Feb 15 01:22:14 2025 Received: (at 76255-done) by debbugs.gnu.org; 15 Feb 2025 06:22:14 +0000 Received: from localhost ([127.0.0.1]:53075 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1tjBZ7-000889-O9 for submit@debbugs.gnu.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2025-02-12 22:45, lilydjwg wrote: > cat: -: input file is output file Thanks for the bug report. The symptoms you observe are a bug in 'cat'. I also see a bug in Gawk which I reported to the Gawk maintainer . I don't see a bug in zsh or fish but perhaps I'm missing something. To fix the 'cat' bug I installed the attached patch into bleeding-edge Coreutils on Savannah, and something like this patch should appear in the next release. --------------FHzgNDhPoG0gRkS8az07oGCT Content-Type: text/x-patch; charset=UTF-8; name="0001-cat-fix-plain-cat-bug.patch" Content-Disposition: attachment; filename="0001-cat-fix-plain-cat-bug.patch" Content-Transfer-Encoding: base64 RnJvbSA3Mzg2YzI5MWJlOGUyZGUxMTVmMmUxNjE4ODZlODcyNDI5ZWRhZGQ3IE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiBQYXVsIEVnZ2VydCA8ZWdnZXJ0QGNzLnVjbGEuZWR1 PgpEYXRlOiBGcmksIDE0IEZlYiAyMDI1IDEzOjEwOjAyIC0wODAwClN1YmplY3Q6IFtQQVRD SF0gPT9VVEYtOD9xP2NhdDo9MjBmaXg9MjBwbGFpbj0yMD1FMj04MD05OGNhdD1FMj04MD05 OT0yMGJ1Pz0KID0/VVRGLTg/cT9nPz0KTUlNRS1WZXJzaW9uOiAxLjAKQ29udGVudC1UeXBl OiB0ZXh0L3BsYWluOyBjaGFyc2V0PVVURi04CkNvbnRlbnQtVHJhbnNmZXItRW5jb2Rpbmc6 IDhiaXQKCiogc3JjL2NhdC5jIChtYWluKTogRG8gbm90IGZhaWwgd2l0aCBwbGFpbiDigJhj YXTigJkgd2hlcmUgaW5wdXQgYW5kCm91dHB1dCBhcmUgYm90aCAvZGV2L3R0eSwgaWYgdGhl IG91dHB1dCBoYXBwZW5zIHRvIGhhdmUgT19BUFBFTkQgc2V0LgpQcm9ibGVtIHJlcG9ydGVk IGJ5IGxpbHlkandnIDxodHRwczovL2J1Z3MuZ251Lm9yZy83NjI1NT4uCkFsc28sIGRvbuKA mXQgcmVwb3J0IGFuIGVycm9yIGlmIHRoZSBzZWVrIHBvc2l0aW9uIGlzIGF0IG9yIGFmdGVy IEVPRiwKZXZlbiBpZiBPX0FQUEVORCBpcyBzZXQuCi0tLQogTkVXUyAgICAgIHwgIDYgKysr KystCiBzcmMvY2F0LmMgfCAyNiArKysrKysrKysrKysrLS0tLS0tLS0tLS0tLQogMiBmaWxl cyBjaGFuZ2VkLCAxOCBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS9ORVdTIGIvTkVXUwppbmRleCBjOWJhNWYxOTYuLmM2ZWRmMTZkNCAxMDA2NDQKLS0t IGEvTkVXUworKysgYi9ORVdTCkBAIC00LDcgKzQsMTEgQEAgR05VIGNvcmV1dGlscyBORVdT ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgLSotIG91dGxpbmUgLSotCiAK ICoqIEJ1ZyBmaXhlcwogCi0gIGBscyAtWiBkaXJgIHdvdWxkIGNyYXNoLgorICAnY2F0JyB3 b3VsZCBmYWlsIHdpdGggImlucHV0IGZpbGUgaXMgb3V0cHV0IGZpbGUiIGlmIGlucHV0IGFu ZAorICBvdXRwdXQgYXJlIHRoZSBzYW1lIHRlcm1pbmFsIGRldmljZSBhbmQgdGhlIG91dHB1 dCBpcyBhcHBlbmQtb25seS4KKyAgW2J1ZyBpbnRyb2R1Y2VkIGluIGNvcmV1dGlscy05LjZd CisKKyAgJ2xzIC1aIGRpcicgd291bGQgY3Jhc2guCiAgIFtidWcgaW50cm9kdWNlZCBpbiBj b3JldXRpbHMtOS42XQogCiAKZGlmZiAtLWdpdCBhL3NyYy9jYXQuYyBiL3NyYy9jYXQuYwpp bmRleCAyNzRmODQ0YTEuLmMwMjIxMDMwMSAxMDA2NDQKLS0tIGEvc3JjL2NhdC5jCisrKyBi L3NyYy9jYXQuYwpAQCAtNzE3LDIwICs3MTcsMjAgQEAgbWFpbiAoaW50IGFyZ2MsIGNoYXIg Kiphcmd2KQogICAgICAgICAgICYmIGhhdmVfb3V0X2RldgogICAgICAgICAgICYmIHN0YXRf YnVmLnN0X2RldiA9PSBvdXRfZGV2ICYmIHN0YXRfYnVmLnN0X2lubyA9PSBvdXRfaW5vKQog ICAgICAgICB7Ci0gICAgICAgICAgaWYgKG91dF9mbGFncyA8IC0xKQotICAgICAgICAgICAg b3V0X2ZsYWdzID0gZmNudGwgKFNURE9VVF9GSUxFTk8sIEZfR0VURkwpOwotICAgICAgICAg IGJvb2wgZXhoYXVzdGluZyA9IDAgPD0gb3V0X2ZsYWdzICYmIG91dF9mbGFncyAmIE9fQVBQ RU5EOwotICAgICAgICAgIGlmICghZXhoYXVzdGluZykKKyAgICAgICAgICBvZmZfdCBpbl9w b3MgPSBsc2VlayAoaW5wdXRfZGVzYywgMCwgU0VFS19DVVIpOworICAgICAgICAgIGlmICgw IDw9IGluX3BvcykKICAgICAgICAgICAgIHsKLSAgICAgICAgICAgICAgb2ZmX3QgaW5fcG9z ID0gbHNlZWsgKGlucHV0X2Rlc2MsIDAsIFNFRUtfQ1VSKTsKLSAgICAgICAgICAgICAgaWYg KDAgPD0gaW5fcG9zKQotICAgICAgICAgICAgICAgIGV4aGF1c3RpbmcgPSBpbl9wb3MgPCBs c2VlayAoU1RET1VUX0ZJTEVOTywgMCwgU0VFS19DVVIpOwotICAgICAgICAgICAgfQotICAg ICAgICAgIGlmIChleGhhdXN0aW5nKQotICAgICAgICAgICAgewotICAgICAgICAgICAgICBl cnJvciAoMCwgMCwgXygiJXM6IGlucHV0IGZpbGUgaXMgb3V0cHV0IGZpbGUiKSwgcXVvdGVm IChpbmZpbGUpKTsKLSAgICAgICAgICAgICAgb2sgPSBmYWxzZTsKLSAgICAgICAgICAgICAg Z290byBjb250aW47CisgICAgICAgICAgICAgIGlmIChvdXRfZmxhZ3MgPCAtMSkKKyAgICAg ICAgICAgICAgICBvdXRfZmxhZ3MgPSBmY250bCAoU1RET1VUX0ZJTEVOTywgRl9HRVRGTCk7 CisgICAgICAgICAgICAgIGludCB3aGVuY2UgPSAoMCA8PSBvdXRfZmxhZ3MgJiYgb3V0X2Zs YWdzICYgT19BUFBFTkQKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICA/IFNFRUtfRU5E IDogU0VFS19DVVIpOworICAgICAgICAgICAgICBpZiAoaW5fcG9zIDwgbHNlZWsgKFNURE9V VF9GSUxFTk8sIDAsIHdoZW5jZSkpCisgICAgICAgICAgICAgICAgeworICAgICAgICAgICAg ICAgICAgZXJyb3IgKDAsIDAsIF8oIiVzOiBpbnB1dCBmaWxlIGlzIG91dHB1dCBmaWxlIiks CisgICAgICAgICAgICAgICAgICAgICAgICAgcXVvdGVmIChpbmZpbGUpKTsKKyAgICAgICAg ICAgICAgICAgIG9rID0gZmFsc2U7CisgICAgICAgICAgICAgICAgICBnb3RvIGNvbnRpbjsK KyAgICAgICAgICAgICAgICB9CiAgICAgICAgICAgICB9CiAgICAgICAgIH0KIAotLSAKMi40 NS4yCgo= --------------FHzgNDhPoG0gRkS8az07oGCT-- From unknown Thu Aug 14 18:39:15 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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[86.44.211.146]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4538a3a8048sm183384045e9.9.2025.07.01.15.47.37 for <76255@debbugs.gnu.org> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Jul 2025 15:47:37 -0700 (PDT) Content-Type: multipart/mixed; boundary="------------jtGvSJgkD6tMAp6W7son4jFJ" Message-ID: <24c88276-342d-4360-8f00-4b8ffd8ee49a@draigBrady.com> Date: Tue, 1 Jul 2025 23:47:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Beta Subject: Re: bug#76255: cat: error without arguments To: 76255@debbugs.gnu.org References: <7329a667-825a-4e70-9208-7c6426e38c97@cs.ucla.edu> Content-Language: en-US From: =?UTF-8?Q?P=C3=A1draig_Brady?= In-Reply-To: <7329a667-825a-4e70-9208-7c6426e38c97@cs.ucla.edu> X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 76255 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 (-) This is a multi-part message in MIME format. --------------jtGvSJgkD6tMAp6W7son4jFJ Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 15/02/2025 06:22, Paul Eggert wrote: > On 2025-02-12 22:45, lilydjwg wrote: >> cat: -: input file is output file > > Thanks for the bug report. The symptoms you observe are a bug in 'cat'. > I also see a bug in Gawk which I reported to the Gawk maintainer > . I don't see a > bug in zsh or fish but perhaps I'm missing something. > > To fix the 'cat' bug I installed the attached patch into bleeding-edge > Coreutils on Savannah, and something like this patch should appear in > the next release. From my TODO list, attached is a test case for this issue. I'll push this tomorrow some time. cheers, Pádraig --------------jtGvSJgkD6tMAp6W7son4jFJ Content-Type: text/x-patch; charset=UTF-8; name="test-cat-self-tty-append.patch" Content-Disposition: attachment; filename="test-cat-self-tty-append.patch" Content-Transfer-Encoding: base64 RnJvbSA4NzcxOTU3NzAzY2Y0ZjhkNzFmMmQwNGVmMDYxNGQyYWViMGM2NWVlIE1vbiBTZXAg MTcgMDA6MDA6MDAgMjAwMQpGcm9tOiA9P1VURi04P3E/UD1DMz1BMWRyYWlnPTIwQnJhZHk/ PSA8UEBkcmFpZ0JyYWR5LmNvbT4KRGF0ZTogVHVlLCAxIEp1bCAyMDI1IDIyOjUyOjE2ICsw MTAwClN1YmplY3Q6IFtQQVRDSF0gdGVzdHM6IGNhdDogYWRkIHRlc3QgZm9yIE9fQVBQRU5E IGJ1ZyBmaXgKCiogdGVzdHMvY2F0L2NhdC1zZWxmLnNoOiBBZGQgYSB0ZXN0IGNhc2UKZm9y IGNvbW1pdCB2OS42LTE5LWc3Mzg2YzI5MWIKLS0tCiB0ZXN0cy9jYXQvY2F0LXNlbGYuc2gg fCAxMCArKysrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgMTAgaW5zZXJ0aW9ucygrKQoKZGlm ZiAtLWdpdCBhL3Rlc3RzL2NhdC9jYXQtc2VsZi5zaCBiL3Rlc3RzL2NhdC9jYXQtc2VsZi5z aAppbmRleCAzYzE3MWI0MGIuLjJkMDlmYzA4NyAxMDA3NTUKLS0tIGEvdGVzdHMvY2F0L2Nh dC1zZWxmLnNoCisrKyBiL3Rlc3RzL2NhdC9jYXQtc2VsZi5zaApAQCAtNTAsNCArNTAsMTQg QEAgcmV0dXJuc18gMSBjYXQgLSBmeDQgPGZ4IDE8PmZ4NCB8fCBmYWlsPTEKIHJldHVybnNf IDEgY2F0IGZ4NSA+PmZ4NSB8fCBmYWlsPTEKIHJldHVybnNfIDEgY2F0IDxmeDYgPj5meDYg fHwgZmFpbD0xCiAKKyMgY29yZXV0aWxzIDkuNiB3b3VsZCBmYWlsIHdpdGggYSBwbGFpbiBj YXQgaWYgdGhlIHR0eSB3YXMgaW4gYXBwZW5kIG1vZGUKKyMgU2ltdWxhdGUgd2l0aCBhIHJl Z3VsYXIgZmlsZSB0byBzaW1wbGlmeQorZWNobyBmb28gPiBmaWxlIHx8IGZyYW1ld29ya19m YWlsdXJlXworIyBTZXQgZmQgMyBhdCBFT0YKK2V4ZWMgMzwgZmlsZSAmJiBjYXQgPCYzID4g L2Rldi9udWxsIHx8IGZyYW1ld29ya19mYWlsdXJlXworIyBTZXQgZmQgNCBpbiBhcHBlbmQg bW9kZQorZXhlYyA0Pj4gZmlsZSB8fCBmcmFtZXdvcmtfZmFpbHVyZV8KK2NhdCA8JjMgPiY0 IHx8IGZhaWw9MQorZXhlYyAzPCYtIDQ+Ji0KKwogRXhpdCAkZmFpbAotLSAKMi40OS4wCgo= --------------jtGvSJgkD6tMAp6W7son4jFJ-- From unknown Thu Aug 14 18:39:15 2025 Received: (at fakecontrol) by fakecontrolmessage; To: internal_control@debbugs.gnu.org From: Debbugs Internal Request Subject: Internal Control Message-Id: bug archived. 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