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: histexpand in shebang-less script Date: Mon, 27 Jul 2020 15:22:44 -0400 Organization: ITS, Case Western Reserve University Lines: 32 Approved: bug-bash@gnu.org Message-ID: References: <783121a0-8faf-79cb-ada0-ee10a9a11302@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 1595877772 3713 209.51.188.17 (27 Jul 2020 19:22:52 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Grisha Levit , bug-bash Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1595877768; bh=O04p+iCg7lzIycBuPno71KVAb0Hc2OTRvyjk5Zk0i4I=; 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 = 2020/07/27 15:22:47 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=ham autolearn_force=no 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: <783121a0-8faf-79cb-ada0-ee10a9a11302@case.edu> X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:16628 On 7/24/20 7:44 PM, Grisha Levit wrote: > The value of `histexpand' is not reset when executing a shebang-less > script. (Admittedly, this is unlikely to matter since the value of > `history' *is* properly reset.) > > $ cat > /tmp/test1.sh <<"EOF" > #!/usr/bin/env bash > echo $- > EOF > $ cat > /tmp/test2.sh <<"EOF" > echo $- > EOF > $ chmod +x /tmp/test1.sh /tmp/test2.sh > $ set -H > $ /tmp/test1.sh > hB > $ /tmp/test2.sh > hBH > > Since reset_shell_flags is only called in this circumstance, it seems > that turning off history expansion should be the right thing to do in > that function. Thanks for the report and fix. 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/