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: problem with extra space; setting? cygwin only? Date: Tue, 23 Jun 2020 16:19:26 -0400 Organization: ITS, Case Western Reserve University Lines: 24 Approved: bug-bash@gnu.org Message-ID: References: <733e1f0e-deda-6c32-55a1-e6e1bb7406b7@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 1592943578 15476 209.51.188.17 (23 Jun 2020 20:19:38 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: L A Walsh , bug-bash@gnu.org Envelope-to: bug-bash@gnu.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1592943574; bh=GwaPvzHJQ3yA9cGJFWM3JfJr84lk4RLJwY10OtpfL1Q=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=LfmGJpgObjahIYoM9S5BXOthl3adrk37WQlB239EMXlMB/hIhy2QrMGeH4SohDdu8d LyuOALt2LMVv169XbyHqhQZnpwB9U+SUxZS8IJPrMloPbxmCWFyPAFlW1X3yIDxtwb1 xnNseCw+5Nus3aXLMTNkAWBLvJi2V0kGlagXC2O3Lrw8J52zn9q9zGUyMEjGOOEPVVM o6JMW3mdZkJEJ/kdmKQMZfjj8W3ogHlU8qvfl2YRbhju8MpcayxjE0TYUbfG2ifRzWW FFfgqGoVHk6C6iMHAgxzKmexDc7ge2WmRVGQt8cG5XbV5bmgSaIOMPQRXVhniYKUbyd mhvrm3Ww== DKIM-Signature: v=1; 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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 = 2020/06/23 16:19:32 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: <733e1f0e-deda-6c32-55a1-e6e1bb7406b7@case.edu> X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:16450 On 6/23/20 3:21 PM, L A Walsh wrote: > I do: > > set output > echo ">$1<" >> output< > output=""printf ${1:+-v $1} "%s:%s" 23 myproc > > > > -Bash: printf: ` output': not a valid identifier It looks like word splitting on the result of ${1:+-v $1} isn't taking place. That might be due to IFS; or because this isn't an accurate representation of your actual script, which includes quoting; or because the character between the `v' and `$' isn't a space. 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/