Path: csiph.com!goblin2!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail From: Eli Schwartz Newsgroups: gnu.bash.bug Subject: Re: echo builtin doesn't handle end-of-options flag Date: Sun, 16 Aug 2020 12:20:57 -0400 Lines: 82 Approved: bug-bash@gnu.org Message-ID: References: <5f4dda03-d3fb-1a23-d0a9-925a9def4459@archlinux.org> NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="zsHEAZGA5HCqy9d4bKi0r0MzYoJXbAZTn" X-Trace: usenet.stanford.edu 1597594877 5964 209.51.188.17 (16 Aug 2020 16:21:17 GMT) X-Complaints-To: action@cs.stanford.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org X-Spam-BL-Results: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=archlinux.org; s=orion; t=1597594862; bh=dSzKoV4auq9yznBWB3LsYeDnTbclt2RqbuI7KA1uDNg=; h=Subject:To:References:From:Date:In-Reply-To; b=ohmv5xBIl69o+I9oXkGhm4L74fgAoCtSRKFxFF5JJkFr0U2u4Z6tUbZNlzzZ+30i+ +AIkLfxJQul47MDno5YGYxI8uPurKNN+i+ExQvFmqP0fsGSe3djuP91OrSSNaF7eTm E5OJlIhaTCiVv8+fzzXHE+JHEWtIAXF1ECa31DZIotooWurNl1mP1IasNh/QvLzjUP mm3eeEWjyuYpaJK7nLW2JLuNq/2FRyvASA8JKolLb/0AA0BU/a8/gOKANKz9GpnhY0 tAKaFTDvW5dCH24l9M5j8PPWV7keM9ZBAd+EyT2CM3OnSbMpFQ26r5CFwWCwnKVcyr /qzSBEaH2ru3qZj/ghRyoukU4nvY8WpqTjAobyOEvFbxSoHZGTrmrC+zucgYFGnEMP 9GbtPqYlmyTZ4WWL6lP9C8g7wMfDDCxLTEhPs4av47iIMd7+3DhMikrJcFB+UzsOpc xerIP+CUqueflnJkU7FkawXL13/5E73EvJvsAetiNpScY+pdoQvUaFRrWyJDP2Ifni fNXHepmWrx+8QOx9WrSsCm9fAzqVemWxy+L8alEnKNuzcoQRUqefCw/nST4K5DFz+f F32etWeKUBmWKIyh4pyajeieSnld6ovLPGGd27JhFS1zUvuoNwrnn6ag8y3FIB750F eFlk4DqWO8Y2QKJ+zbv1Nm+c= X-Clacks-Overhead: GNU Terry Pratchett In-Reply-To: Received-SPF: pass client-ip=88.198.91.70; envelope-from=eschwartz@archlinux.org; helo=orion.archlinux.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/16 12:21:08 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -53 X-Spam_score: -5.4 X-Spam_bar: ----- X-Spam_report: (-5.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: <5f4dda03-d3fb-1a23-d0a9-925a9def4459@archlinux.org> X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:16756 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --zsHEAZGA5HCqy9d4bKi0r0MzYoJXbAZTn Content-Type: multipart/mixed; boundary="QEicf1H24cd2uhCRBuY3M85kbUVgP4gQl" --QEicf1H24cd2uhCRBuY3M85kbUVgP4gQl Content-Type: text/plain; charset=utf-8 Content-Language: en-US-large Content-Transfer-Encoding: quoted-printable On 8/16/20 11:47 AM, Todd A. Jacobs wrote: > Configuration Information [Automatically generated, do not change]: > Machine: x86_64 > OS: darwin19.5.0 > Compiler: clang > Compilation CFLAGS: -DSSH_SOURCE_BASHRC -Wno-parentheses -Wno-format-se= curity > uname output: Darwin titan.local 19.6.0 Darwin Kernel Version 19.6.0: T= hu Jun 18 20:49:00 PDT 2020; root:xnu-6153.141.1~1/RELEASE_X86_64 x86_64 > Machine Type: x86_64-apple-darwin19.5.0 >=20 > Bash Version: 5.0 > Patch Level: 18 > Release Status: release >=20 > Description: > The echo builtin accepts options, but does not seem to handle > `--` correctly as the end of options. The expected behavior > would be for -- to be removed, and any following flag-like > substrings printed as-is. https://pubs.opengroup.org/onlinepubs/9699919799/utilities/echo.html echo does not accept options, and is not permitted to accept options including "--". bash does accept -n, -e, -E in violation of POSIX, unless shopt -s shopt -s xpg_echo is set, but it doesn't implement -- and I don't really see a justification to do so. Either enable xpg_echo or use printf. --=20 Eli Schwartz Arch Linux Bug Wrangler and Trusted User --QEicf1H24cd2uhCRBuY3M85kbUVgP4gQl-- --zsHEAZGA5HCqy9d4bKi0r0MzYoJXbAZTn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEvSewel70XCra9w4EhIGKaBmvSpsFAl85XOkACgkQhIGKaBmv SptDDA//bE9dTsYJy9dVYX2vNAPkz8f4qKPA91yoy1H6iswXCl1KnywGkHIKzdGU 9nCpZ5pq+NCKfMGy8jafyfPxFzRqiy41IpgaMGjMdr0rr27tDF6VvDQMiEGMWL7U /Ppz7rLc3WF6V3IlY3bQU2RCdKSR6AAZqv6g+G9pedds/g9ovuU6C61JAiVbwD77 vsxo57c0Xm7wvqDYZTPe5zUVvdzcoe9uo4rTGOwGdJHs8lhwgRLT0hAjr7fgWNu4 HRK62qGpRH04OJaYlO1gApowiEX+T3nnkSfJ2p/oNlGWXk2DCLfWyBCBUJZIPIZv XEX9reKD53yWPfIaGWEbSiMG248/QKU+H9QKxsZAazbBClatzPD6W/4FY4TwMLBb 4oURTg0z0k20KRQTCpC9B/oJ0SrN0B+cN1TJH0e62tXXs3ETaXu94EaJG05kiTxV FTTuAOUMC3Q681ysdZLR2dsp2RxqSke701Moe+J8pEzUJh4rEuDxHbK79ZhcF/xd AXTe9inX/hZPJIc05mZ1hDWbfHiSGrWiHnLPnVzdcHiRO+7xay4bFVlwqZ28Nfef WZzprD8mInTVVaFmcxQoev7uqNoyzoi93MvF5JBu/l9yq/CCvhvc5xM9tG/T/8WX Rm97p1RsmyYscf0E46qbjkv2SOBiqBz/PlUIWTWYz7HHinSNMEWJAjMEAQEKAB0W IQRgQRMEwJ02YoNA7v/OsWfvtXIr1gUCXzlc6QAKCRDOsWfvtXIr1m6kD/4hpMW5 F3SXDBN8ZRbHZZbBOTQMZmaFZPJenNIDqY5xDGeuLaP91spQTiVoxux70f/Y+R03 j9p7CIY66rWJCYBqdXMk7X9+DcRt1MFg2toMASUIfCr4kikz0JR3VM40WB/Xtim7 Qpy0E6iN2nUwaAMmttr88MhCZJJXb0Y4ydxe+2lcosh7PfHo8Q386mwat5X0v7wc FfnLpTRcJFbZYbCyQn6DNYMhY3oe5r/1ZVl6llqL3L6M1/d7wwZrxHXy5+3dho8Z Zonca08odBTUnFLidy/3kdkdriigkl5p92HJ6VAS5yhJ5CgKdxOecNOuKsAi0g0P D2FHHVsBiPCiuCcBZV/5n3E2XSg60YvYF5ut3QZvsd6911Q/SBT9FRVNUtDWOwf2 awN4zKjK/YicSKmpfGitDttG06/6rQ9coJvowv7OE2RDbopmaVLefA0DdDmPXu9z JJrm3fIFMp8llrLqBSmNU5HjTWoHA4BT/rdxZOSNIIzKNg/+xoFlwRReXrC3BVN5 Y42GaIGysSN3gsA55MQUD75hZUk482B5khoC/eeQTfYZ7nrHc5U/NwmFVVm70m4M QUqKc4rVbdrjG0HEVMIONz+e49cB75XcUflszuk/vSr2YXrHp6p/v9TGfUQ0nEXl 0A7hdeoIAgCNcPmv9eAu18ZRUjmFZSSrAZf02A== =EcY+ -----END PGP SIGNATURE----- --zsHEAZGA5HCqy9d4bKi0r0MzYoJXbAZTn--