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: should `local' create local variables when they exist in the tempenv? Date: Thu, 13 Dec 2018 08:52:18 -0500 Organization: ITS, Case Western Reserve University Lines: 26 Approved: bug-bash@gnu.org Message-ID: References: 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 1544709152 25003 208.118.235.17 (13 Dec 2018 13:52:32 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: Grisha Levit , bug-bash Envelope-to: bug-bash@gnu.org X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from:openpgp :autocrypt:organization:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=KuNbFCkO0UJhoGrCUBBNVSfBgsMPOzRDMOiP8Y0awR8=; b=mA4lZdG/iatIjHqYsjew03xxosh6hB2R3I2FPnd/66K5iVmDX1pHH67caK7WWq0j0Q nX3xIURX9qitNYtN6buBn+mR+cUrhWBl9Q+uEWLgRUJnVErsrH33MsdkGLgaCAAfnOP1 NfgxDGBttDaiIZ1SxcdGJ09dgKxZKdb2p6RMtOPgHJss5NaLfHvBHHLIGd11giU1UmBw yxgrCi+K3cVi0BwVI9aTbAvedUzaOmptKyxSMy9QSE3fOV+kd6udXrS5jbr9iHFi6sos jgqmyDsRYztkDlIalroyDuHNwJkaEKj+OImV3PL/x+LbB2pDF+uNQ7UhqLwwLkMmb+Cm Kqcw== X-Gm-Message-State: AA+aEWZPkaJbkYcSo9gZgKGqFHoJElNXrZ3xP2EumK7mV8l4zy0YN+EW 1XDQdBKQS5extYpag1o+QlW5U4SIMFVFWkrHfOQtU2xit4kNyQ7KUacGqIVGXc12JSKKESFqrOZ NUA4IM0Ol5DM= X-Received: by 2002:a24:2208:: with SMTP id o8mr9225634ito.23.1544709141091; 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Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 In-Reply-To: Content-Language: en-US X-Junkmail-Status: score=9/90, host=mpv3-2015.case.edu X-Junkmail-PrAS-Raw: score=9/90, refid=2.7.2:2018.12.13.124216:17:9.975, ip=, rules=__YOUTUBE_RCVD, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __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_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __FRAUD_MONEY_CURRENCY_DOLLAR, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_900_999, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, SXL_IP_PROXY_RCVD[14.1.22.129.rip], HTML_00_01, HTML_00_10, __FRAUD_MONEY_CURRENCY, [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: 129.22.103.194 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com gnu.bash.bug:14912 On 12/9/18 1:30 AM, Grisha Levit wrote: > When a variable is present in the temporary environment and then declared > local in a function, it seems to not actually make a local variable, in the > sense that the variable does not show up in the output of `local', > unsetting > the variable reveals the variable from the higher scope rather than marking > it invisible, etc. > > $ f() { local v=x; local -p; }; v=t f > > $ f() { local v; declare -p v; }; v=t f > declare -x v="t" > > $ f() { local v=x; unset v; declare -p v; }; v=g; v=t f > declare -- v="g" > > Is this intentional? It's a cosmetic issue. The variables behave the same even if they're not flagged as local. I'll fix it for the next release. -- ``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/