Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: wait fails to grab exit codes with multiple process substitutions Date: Wed, 18 Sep 2019 13:58:47 -0400 Lines: 25 Approved: bug-bash@gnu.org Message-ID: References: <533681393.3415642.1568456966350.JavaMail.zimbra@ntymail.com> <46f7a12e-6a3d-6be9-765a-e229f9f25dbe@case.edu> Reply-To: chet.ramey@case.edu NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Trace: usenet.stanford.edu 1568829551 18966 209.51.188.17 (18 Sep 2019 17:59:11 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: leo.dalecki@ntymail.com, bug-bash@gnu.org Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1568829531; bh=g/xQy/8un09jyQJrQBvn3KvXNajzOnChDk3P3dab5f4=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; 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Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 In-Reply-To: <533681393.3415642.1568456966350.JavaMail.zimbra@ntymail.com> Content-Language: en-US X-Junkmail-Status: score=7/90, host=mpv3-2015.case.edu X-Junkmail-PrAS-Raw: score=7/90, refid=2.7.2:2019.9.18.165117:17:7.944, ip=, rules=DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NO_NAME, __HAS_REFERENCES, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_NAME_BODY, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __BODY_NO_MAILTO, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_800_899, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, DKIM_ALIGNS, BODY_SIZE_5000_LESS, IN_REP_TO, MSG_THREAD, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 129.22.103.194 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: <46f7a12e-6a3d-6be9-765a-e229f9f25dbe@case.edu> X-Mailman-Original-References: <533681393.3415642.1568456966350.JavaMail.zimbra@ntymail.com> Xref: csiph.com gnu.bash.bug:15378 On 9/14/19 6:29 AM, leo.dalecki@ntymail.com wrote: > Bash Version: 5.0 > Patch Level: 3 > Release Status: release > > Description: > Hi, > > I was trying to write a script that could run an arbitrary amount of asynchronous commands, and then as soon as one finishes, perform actions > according to its exit code and output. > > I attempted to do this by using process substitution and the wait command. But wait's ability to retrieve the exit code of a finished process > that is a current shell's children seems inconsistent. Thanks for the report. This will be fixed in the next version. All the pieces are there, but I need to tie them together. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/