Path: csiph.com!3.us.feeder.erje.net!feeder.erje.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: Backslash missing in brace expansion Date: Fri, 6 Dec 2019 09:27:43 -0800 Organization: ITS, Case Western Reserve University Lines: 17 Approved: bug-bash@gnu.org Message-ID: References: <20191206055304.076d6115afa3a4f2a6a21c34@schrader-schulte.de> <20191205201157.cd481936f76d95bbdfabc73c@schrader-schulte.de> <662e2328-f331-c554-afcf-fd3819f6beab@case.edu> <3405.1575652983@jinx.noi.kre.to> <705b3ac8-9918-35bb-5fb6-5b8163907923@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 1575653275 25235 209.51.188.17 (6 Dec 2019 17:27:55 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu, bug-bash@gnu.org To: Robert Elz , Martin Schulte Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; 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Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 In-Reply-To: <3405.1575652983@jinx.noi.kre.to> Content-Language: en-US X-Junkmail-Status: score=8/90, host=mpv1-2015.case.edu X-Junkmail-PrAS-Raw: score=8/90, refid=2.7.2:2019.12.6.162716:17:8.317, ip=, rules=__YOUTUBE_RCVD, DKIM_SIGNATURE, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __MULTIPLE_RCPTS_CC_X2, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __TO_MALFORMED_2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __HAS_REFERENCES, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_MAILTO, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __BODY_NO_MAILTO, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_800_899, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 X-detected-operating-system: by eggs.gnu.org: GNU/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: <705b3ac8-9918-35bb-5fb6-5b8163907923@case.edu> X-Mailman-Original-References: <20191206055304.076d6115afa3a4f2a6a21c34@schrader-schulte.de> <20191205201157.cd481936f76d95bbdfabc73c@schrader-schulte.de> <662e2328-f331-c554-afcf-fd3819f6beab@case.edu> <3405.1575652983@jinx.noi.kre.to> Xref: csiph.com gnu.bash.bug:15701 On 12/6/19 9:23 AM, Robert Elz wrote: > I'm not sure I accept the explanation for the \ missing though, quoting is > also a parser activity (though some of it also happens in pattern matching). > But normally, backslashes (or any other form of quoting) that result from > expansions are simply characters. Quote removal is only supposed to remove > quotes that were present on the original command line. Quote removal is a word expansion, and removes quotes that were present in the original word passed to word expansion. Brace expansion is performed before any of the POSIX word expansions, and is logically a separate step. -- ``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/