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: Error in the manual regarding the '=~' operator Date: Thu, 9 Apr 2020 09:40:35 -0400 Organization: ITS, Case Western Reserve University Lines: 20 Approved: bug-bash@gnu.org Message-ID: References: <3eb0ef0951a447be9c1a3cbaca534486@cardcenter.ch> 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 1586439647 14053 209.51.188.17 (9 Apr 2020 13:40:47 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Guebitz Roland , "'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=1586439639; bh=qL2skwsud1yQ7AxGcHkcjMwKnt3QYi3GrSgoS+Scocs=; 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:68.0) Gecko/20100101 Thunderbird/68.6.0 In-Reply-To: <3eb0ef0951a447be9c1a3cbaca534486@cardcenter.ch> Content-Language: en-US X-Mirapoint-IP-Reputation: reputation=Good-1, source=Queried, refid=tid=0001.0A020303.5E8F1944.0021, actions=tag X-Mirapoint-IP-Reputation: reputation=good-1, source=Fixed, refid=n/a, actions=tag X-Junkmail-Status: score=7/80, host=mpv3-2015.case.edu X-Junkmail-PrAS-Raw: score=7/80, refid=2.7.2:2020.4.9.123318:17:7.944, ip=, rules=__YOUTUBE_RCVD, DKIM_SIGNATURE, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __PHISH_SPEAR_SUBJ_ALERT, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __TO_MALFORMED_2, __MULTIPLE_RCPTS_TO_X2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __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, __URI_HAS_HYPHEN_USC, __ANY_URI, __URI_MAILTO, __HTTPS_URI, __URI_WITH_PATH, __URI_ENDS_IN_SLASH, URI_ENDS_IN_HTML, __CP_URI_IN_BODY, __FRAUD_MONEY_CURRENCY_DOLLAR, __SUBJ_ALPHA_NEGATE, __MULTIPLE_URI_TEXT, __URI_IN_BODY, [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] [fuzzy] 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: X-Mailman-Original-References: <3eb0ef0951a447be9c1a3cbaca534486@cardcenter.ch> Xref: csiph.com gnu.bash.bug:16113 On 4/9/20 7:19 AM, Guebitz Roland wrote: > Hello, > in the section > https://www.gnu.org/software/bash/manual/bash.html#Conditional-Constructs > you have this example: > [[ $line =~ [[:space:]]*?(a)b ]] > The expression ?() is not part of the Posix ERE. It is part of bash pattern matching: https://www.gnu.org/software/bash/manual/bash.html#Pattern-Matching Thanks for the report. This was fixed in the devel branch last September, the result of https://lists.gnu.org/archive/html/bug-bash/2019-09/msg00042.html 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/