Path: csiph.com!goblin2!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail From: Eli Schwartz Newsgroups: gnu.bash.bug Subject: Re: process substitution error handling Date: Thu, 6 Aug 2020 09:57:12 -0400 Lines: 70 Approved: bug-bash@gnu.org Message-ID: References: <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> <8a54cb1e-af78-f79f-6d73-6a235d707207@plushkava.net> NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Bpxyt5OGqgDfmyXBBkOYc7gpjgtJAJPOz" X-Trace: usenet.stanford.edu 1596722251 1078 209.51.188.17 (6 Aug 2020 13:57:31 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=1596722237; bh=HhZys7KJGKuitVdF8j/ZS0D+7Pb2bvHap0PgA0KyiUU=; h=Subject:To:References:From:Date:In-Reply-To; b=uKD8kN5j9TC6i2o/PBXxmvusc/Nz177Wipx+hbuCmHxRHf/Q4ZSbDThx7NwXl4I3Q M5Phc6Cz95MtjdtfJ2b4vtcXJVIeaYB7ZTSjmWvT37eW541BWp2mwNo2uIErsILyOl IuqRRhOsU+FNVe69USuk+S0d7tL8FiTJtNyefbd+DV7laAThhXbeHHiLEp1JuWEy7X JGmOpQxcdlzmRiL5N/cCjJiqK784u8rmiIuairfCDQ63Tq5HzxWIpJcMXM2m58/QC/ inEyK1eUA7zaOZIfyBjf/gLgbPUBcV6aWNysyHyvzt8GTP9rk8teOwVph5lGaN0JG9 lk/UPM9nHXcWB7u6vXNo2TUNtaPh0B7eaACWm2X3yWagX6iC7Vj+BMwU3lyBqWAr0o ZwftJkthZ5OTAJhDWwr/C3oyO7l2Xgj1kZ2duMKa9Wej0G4wNyQgjy0UJKkqvj6yl7 k3Vl/Hd2f31UNbKP38/0A5Y+F4uIuKjkxgWyOAjfWI3Aq6oEyKws5EMsvj91cW2SKk II1sI7BVFoJsf+LEd5uBsd2O9Z6j0rXoGz6yC+YiFCI4N2s1DZtfVd4l0udEFyJcoE vW6qST4V8u2k2LVBSvmgWIlNI0jaHW51s9ZKMYfsM9YKZihfcnI4v0fgySI7T3Z9b/ rSbsABiaImewUrbD7awjEPpg= X-Clacks-Overhead: GNU Terry Pratchett In-Reply-To: <8a54cb1e-af78-f79f-6d73-6a235d707207@plushkava.net> 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 = 2020/08/06 09:57:23 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: X-Mailman-Original-References: <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> <8a54cb1e-af78-f79f-6d73-6a235d707207@plushkava.net> Xref: csiph.com gnu.bash.bug:16712 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Bpxyt5OGqgDfmyXBBkOYc7gpjgtJAJPOz Content-Type: multipart/mixed; boundary="3q20RHoxMhCaBUtU4rX6iZuIhFG6iiRfX" --3q20RHoxMhCaBUtU4rX6iZuIhFG6iiRfX Content-Type: text/plain; charset=utf-8 Content-Language: en-US-large Content-Transfer-Encoding: quoted-printable On 8/6/20 9:15 AM, kfm@plushkava.net wrote: > You beat me to it. I was just about to suggest wait $! || exit. Indeed,= > I mentioned the same in a recent bug report against wireguard-tools. So if I understand correctly, you reported the lack of wait $! || exit in a script, and the script author instead responded by requesting a new feature in bash that does the same thing, except after a random interval during another command's execution? > I concur. The scripts I looked at tended heavily towards error handling= > at a distance and were already subject to one or two amusing errexit > pitfalls. lol, I bet we could fix that by adding even more error handling at a distance. --=20 Eli Schwartz Arch Linux Bug Wrangler and Trusted User --3q20RHoxMhCaBUtU4rX6iZuIhFG6iiRfX-- --Bpxyt5OGqgDfmyXBBkOYc7gpjgtJAJPOz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEvSewel70XCra9w4EhIGKaBmvSpsFAl8sDDgACgkQhIGKaBmv Sptr4hAAgLbVj5hH4fCkW/6sxvzGGsJNDPaSEZMOiNm9R3CWMNeF3LW1THPUb9Oo FfTrZ10cykXo8uLolQhNMHmN/aOF0bnMpImJNs83K2Z/VCeBqClpp0HwoXjiBxxO MkG80gahyaoqy7yPPXOpQDN7DRKhfWGWMRAL/MsyfsrK2efmS+fSlci7mvKittjA TeiMgL7Nza2OmxUekuVDrzrO6Rf0H4ibeDeRcvTNHjjHedM/qQVYXCwgTf6Gtq5w 6H2PnCx6Bx9eH7Syiukb3afpkhTFsnIOMU3aSkSZeGwTak+YIA/XACJgEnEnjx0v ks7crW3iZQLo3Xr+4nLCwk0Vxe8Bp41XiK2qVTZ2yKqfzIixGRX7wzTw0wsUdyye /T2xxO/VjCURcjNPIJuf1WRZ/zRVdsjMqgg4Gi7bsO93We9kfp/CnHDs4CpBICMt mCae6Vo8ZP2huzMXDXtMy0Mcc2CHTSAGbQx33Rz+8AwInxc/uQXcSvx4LY6zaUzg P53UisL9nyRAcK9sru0vCM16DCCkqdMMk8SDLZkD9/QCsCqGrrpiwxknYFtIEpVm /KTNvQDdGpCFSjOQhKDCiAVIIz5fRE7qiEaQ/QjWf5g94J8EesNkb+R1chF1S1gf 5tiWLRrQbsotLtcsTQ1nn6bDiaRLcbU67Mog6pDT3dINjVS68GOJAjMEAQEKAB0W IQRgQRMEwJ02YoNA7v/OsWfvtXIr1gUCXywMOAAKCRDOsWfvtXIr1hc1EACXe9+W NfiMtJb2RWkIYG7dcWX3ZmWU4G5nmDj/JRTN+UGs7SpQ00sDR8csuLMP2owL0kov hsDJ7HDke80dFbdsVKHUZfzlV6o9cbtqCNoSeXkKpNMTw0VkjdYbfQUG6rZAGZeu RjxMiYmNRIJP23N5KVrynOc2LzBUj4or27yO/UzjTenB3qZGnUyHeZDT057KWLyc o+wqCv68XWEw4lIxNQtPod/nZX/b2LECVKjUB35F26ynK/cxV5BBFtS+ImcoO4jE zNIkZX7b4Qtus04HzRbYveUwCqLzjuCdqhYBGwc8P4EcEg2bHzVIqMltE73DYFYh SGTcZ05V0tRN5LQf/VOTAaRitGr0/fbabyxi6M8nRbtvjoXZ7vIlG8mfYgLdiq3w JcYkOGqN76ZzBMEImy/OuvcH+Wdteed4BAKd1kSBd/2NXxN0u7LuFbZSdBjDrIoU 6UqI8MRGIXZVexcyIZK71eSO8NGBzSDDJYu1JujE4j42B9SXt0U5bR7Sd61Z9q2t ycUKMC7Bwktnv3rL5GnDXt0aSvnHC5f5dHIk/X0ZLhE4GmNYCvC0rcQq34j6bJr+ QKk4BgP7kVWecc4FraGlh+i+iotYVFBMZzfV4nPNv5X3d39nFXYhS0Squt06Y6tl GjUuerPhH16dTz7vxCR3i7a2ND2qwUif6NzTAQ== =ep2z -----END PGP SIGNATURE----- --Bpxyt5OGqgDfmyXBBkOYc7gpjgtJAJPOz--