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: Return from function depending on number of parameters Date: Sun, 5 Jul 2020 13:24:41 -0400 Organization: ITS, Case Western Reserve University Lines: 22 Approved: bug-bash@gnu.org Message-ID: References: <506AA493-0D79-4A9A-A53E-279FDA72CED5@larryv.me> <0b8f32e5-0644-526e-59a4-1bad5a474262@passchier.net> 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: 8bit X-Trace: usenet.stanford.edu 1593969893 20580 209.51.188.17 (5 Jul 2020 17:24:53 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu, bug-bash@gnu.org To: =?UTF-8?Q?Lawrence_Vel=c3=a1zquez?= , pepa65 Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1593969887; bh=c8X1b9lM4FOqTxMrIlyD1iX2bHzuDYI6HaD2T7IOvkk=; 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envelope-from=chet.ramey@case.edu; helo=mpv3-2015.case.edu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/05 13:24:45 X-ACL-Warn: Detected OS = Linux 2.4.x-2.6.x [generic] X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: <506AA493-0D79-4A9A-A53E-279FDA72CED5@larryv.me> <0b8f32e5-0644-526e-59a4-1bad5a474262@passchier.net> Xref: csiph.com gnu.bash.bug:16541 On 7/4/20 12:23 PM, Lawrence Velázquez wrote: > Quoting Chet liberally from > https://lists.gnu.org/archive/html/bug-bash/2012-04/msg00034.html: >> >> It dates from Posix circa 1990 (1003.2d9, of which I've lost my paper >> copy). I implemented it after the Berkeley guys, mostly Marc >> Teitelbaum, put it into Posix. It ended up getting dropped in favor >> of the ksh $((...)) expansion, at which point everyone deprecated the >> old $[...]. I removed it from the manual sometime later, but it still >> works as it always has. This all remains true. I probably won't remove it, but nobody should use it in new code. -- ``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/