Path: csiph.com!au2pb.net!usenet.blueworldhosting.com!feeder01.blueworldhosting.com!news.ripco.com!news.glorb.com!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: assert built-in Date: Thu, 20 Aug 2015 15:12:30 -0400 Lines: 29 Approved: bug-bash@gnu.org Message-ID: References: <20150819154825.GQ4309@eeg.ccf.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 1440101007 19325 208.118.235.17 (20 Aug 2015 20:03:27 GMT) X-Complaints-To: action@cs.stanford.edu Cc: bug-bash@gnu.org, chet.ramey@case.edu To: Greg Wooledge , Craig Envelope-to: bug-bash@gnu.org User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:38.0) Gecko/20100101 Thunderbird/38.0.1 In-Reply-To: <20150819154825.GQ4309@eeg.ccf.org> X-Junkmail-Status: score=10/50, host=mpv6.cwru.edu X-Junkmail-Whitelist: YES (by domain whitelist at mpv2.tis.cwru.edu) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 129.22.105.37 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com gnu.bash.bug:11400 On 8/19/15 11:48 AM, Greg Wooledge wrote: > On Wed, Aug 19, 2015 at 08:39:15AM +0000, Craig wrote: >> It's somewhat cumbersome to have to transport this assert function from >> project to project, so it would save a considerable amount of effort and >> time if it were built-in. > >> function assert() { >> local lineno=${BASH_LINENO[0]} \ >> src=${BASH_SOURCE[1]} \ >> lines=() >> >> mapfile -n 1 -t -s $(( $lineno - 1 )) lines < "$src" >> >> printf "ASSERT: ${src##*/}:$lineno: %s\n" "$lines" >> >> exit 1 >> } > > I don't think there will be broad enough interest to justify bloating > bash with a feature that can be achieved with a 4-line function. I agree with this assessment, and note that this is the first request for such a builtin. There's no indication that it's been generally requested. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, ITS, CWRU chet@case.edu http://cnswww.cns.cwru.edu/~chet/