Path: csiph.com!tncsrv06.tnetconsulting.net!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: nameref pointing to array element Date: Thu, 23 Apr 2020 17:00:48 -0400 Organization: ITS, Case Western Reserve University Lines: 18 Approved: bug-bash@gnu.org Message-ID: References: <1cedb24c-8f75-3ee2-6d81-26b37ab0c63a@autistici.org> 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 1587675660 14768 209.51.188.17 (23 Apr 2020 21:01:00 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Daniel Molina , 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=1587675656; bh=+6r0YBMjuXho/A3ZQRSUvF5foVuEAzbtGtCGxQPVrwg=; 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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envelope-from=chet.ramey@case.edu; helo=mpv1-2015.case.edu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/23 17:00:53 X-ACL-Warn: Detected OS = Linux 2.4.x-2.6.x [generic] [fuzzy] X-Received-From: 129.22.103.226 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: <1cedb24c-8f75-3ee2-6d81-26b37ab0c63a@autistici.org> Xref: csiph.com gnu.bash.bug:16231 On 4/22/20 6:05 PM, Daniel Molina wrote: > Hello, > > Is the following an intended behavior? Undefined? A bug? > > $ a[1]=2; declare -n ref=a[1]; echo $ref $((ref)) > 2 0 Thanks for the report. It looks like a bug, even though the rules for evaluating strings in the expression evaluator are slightly different from the ones for nameref resolution. 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/