Path: csiph.com!fu-berlin.de!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: arithmetic expression from outside Date: Thu, 5 Sep 2019 10:08:09 -0400 Lines: 11 Approved: bug-bash@gnu.org Message-ID: References: <06614fdf-2814-6dc8-d609-a12d668249c0@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 1567692516 9278 209.51.188.17 (5 Sep 2019 14:08:36 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: YAMAGUCHI Takanori , 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=1567692508; bh=M4rsd/yazRssvSNEYREUXoBrZ219UGNXG+ZpOfICS/c=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=Id+oyrp2CAoX3z5t9hqoDCg7q1FMimskgCufGF9H/+MARxVdBW6TSjSts13MZ4bAGm hFRGOOjEy3Z8s17uYQFfgrX+5jnQasdkcAVS9uvpvEYf65BoMJGxY5HIsyYygzzK9F5 zUIUJpz/hTFupqKT01Q0zbdnjkKzl/Cx4Zr0XFcCQGM5wt5YKtxN78TYEcu/gfGGmvu 49e7ITtEJDL2Tv+q2myMhBSD9EBxgFgb6gbxQgYzoUL0H+A9Zn1RNRDT2NRBPo0O177 UmN3FGMkp5jGIKc6p6O74SikA6hOLZrOX39yr2TF3u2IZO4c24iuN4oI47UmCd20UJT XPbQV8dw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1567692504; bh=CIWEfJ+D3jGEcybTvLM2hzUUPcdGuj+lwHgcwTPvQ94=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=FdRRdPtHCEE8NWhFqv8iaTmycrQocmtZ7889Y3wnocXXKYuzvlifPKbDNJ3+0Cmo3V kUBcGANzQxVrtev2kys11iQtTu213/MFju4ybuj5DWC2dB7O8VDHgQDZ8qYRIPfvNvU DDIgxquUufNkaD8p5+sMuz/KXmjWVmoFBfnUccXY2mzgxNTTI0C6uHmBtCOJeB/ZNjI 6UjHJ/XIskzsHqkwx6gwDs+kGpZS2bIaqLKOgKxVYvyvFg6alrHns0yM3I/DRGujSPl 9N/+fxIpIcyVUlRgzCFk9nORfYGiVFTPbj604UXfhM4shN1UsjaJcA1aRe0CYVzcihY aZyUMeUA== Openpgp: preference=signencrypt Autocrypt: addr=chet.ramey@case.edu; prefer-encrypt=mutual; keydata= xsDiBEEOsGwRBACFa0A1oa71HSZLWxAx0svXzhOZNQZOzqHmSuGOG92jIpQpr8DpvgRh40Yp AwdcXb8QG1J5yGAKeevNE1zCFaA725vGSdHUyypHouV0xoWwukYO6qlyyX+2BZU+okBUqoWQ koWxiYaCSfzB2Ln7pmdys1fJhcgBKf3VjWCjd2XJTwCgoFJOwyBFJdugjfwjSoRSwDOIMf0D /iQKqlWhIO1LGpMrGX0il0/x4zj0NAcSwAk7LaPZbN4UPjn5pqGEHBlf1+xDDQCkAoZ/VqES GZragl4VqJfxBr29Ag0UDvNbUbXoxQsARdero1M8GiAIRc50hj7HXFoERwenbNDJL86GPLAQ OTGOCa4W2o29nFfFjQrsrrYHzVtyA/9oyKvTeEMJ7NA3VJdWcmn7gOu0FxEmSNhSoV1T4vP2 1Wf7f5niCCRKQLNyUy0wEApQi4tSysdz+AbgAc0b/bHYVzIf2uO2lIEZQNNt+3g2bmXgloWm W5fsm/di50Gm1l1Na63d3RZ00SeFQos6WEwLUHEB0yp6KXluXLLIZitEJM0gQ2hldCBSYW1l eSA8Y2hldC5yYW1leUBjYXNlLmVkdT7CYQQTEQIAIQIbAwYLCQgHAwIDFQIDAxYCAQIeAQIX gAUCRX3FIgIZAQAKCRC7WGnwZOp0q069AKCNDRn+zzN/AHbaynls/Lvq1kH/RQCgkLvF8bDs maUHSxSIPqzlGuKWDxbOwE0EQQ6wbxAEAJCukwDigRDPhAuI+lf+6P64lWanIFOXIndqhvU1 3cDbQ/Wt5LwPzm2QTvd7F+fcHOgZ8KOFScbDpjJaRqwIybMTcIN0B2pBLX/C10W1aY+cUrXZ gXUGVISEMmpaP9v02auToo7XXVEHC+XLO9IU7/xaU98FL69l6/K4xeNSBRM/AAMHA/wNAmRB pcyK0+VggZ5esQaIP/LyolAm2qwcmrd3dZi+g24s7yjV0EUwvRP7xHRDQFgkAo6++QbuecU/ J90lxrVnQwucZmfz9zgWDkT/MpfB/CNRSKLFjhYq2yHmHWT6vEjw9Ry/hF6Pc0oh1a62USdf aKAiim0nVxxQmPmiRvtCmcJJBBgRAgAJBQJBDrBvAhsMAAoJELtYafBk6nSr43AAn2ZZFQg8 Gs/zUzvXMt7evaFqVTzcAJ0cHtKpP1i/4H4R9+OsYeQdxxWxTQ== User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 In-Reply-To: Content-Language: en-US X-Junkmail-Status: score=7/90, host=mpv1-2015.case.edu X-Junkmail-PrAS-Raw: score=7/90, refid=2.7.2:2019.9.5.134516:17:7.944, ip=, rules=DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __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_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __DKIM_ALIGNS_1, __DKIM_ALIGNS_2, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __BODY_NO_MAILTO, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_400_LESS, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_300_399, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, DKIM_ALIGNS, [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] 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: <06614fdf-2814-6dc8-d609-a12d668249c0@case.edu> X-Mailman-Original-References: Xref: csiph.com gnu.bash.bug:15349 On 9/5/19 4:40 AM, YAMAGUCHI Takanori wrote: > Is this an intended behaviour? The command substitution in the evaluation of the array index? Yes, array indices undergo word expansions. -- ``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/