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: "shell-expand-line" wrongly(?) expanded $'foo' to $foo Date: Wed, 1 Jul 2020 15:38:59 -0400 Organization: ITS, Case Western Reserve University Lines: 29 Approved: bug-bash@gnu.org Message-ID: References: <1530be92-768a-3676-cfe0-511bcea9133b@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 1593632349 15325 209.51.188.17 (1 Jul 2020 19:39:09 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Clark Wang , "bash.bug list" Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1593632344; bh=FC670MG7RHV4v9+kNCByVVUdvLxVlxVLFJInJmYVaKA=; 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 = 2020/07/01 15:39:03 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: <1530be92-768a-3676-cfe0-511bcea9133b@case.edu> X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:16522 On 7/1/20 8:48 AM, Clark Wang wrote: > See the following example (tested with bash 5.0.7): > > > # bind -q shell-expand-line > shell-expand-line can be invoked via "\e\C-e". > > # echo $PWD # press ESC C-e > # echo /root > > # echo $( pwd ) # press ESC C-e > # echo /root > > # echo $'foo' # press ESC C-e > # echo $foo > > > Is this a bug? I suppose it is. $'...' isn't a word expansion, it's a form of quoting that gets translated and transformed into '...' by the parser. When the word expansion code sees $'...', unexpectedly, it just performs the usual quote removal. -- ``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/