Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > gnu.bash.bug > #15400
| Path | csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail |
|---|---|
| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: Incorrect example for `[[` command. |
| Date | Sun, 22 Sep 2019 13:53:37 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 26 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.798.1569174827.2190.bug-bash@gnu.org> (permalink) |
| References | <CAD0rTC7W20s7-8np7Z+CmZQczTQ+LX=Y1x01gAenewrpiJS5jw@mail.gmail.com> <8e7c8ea4-2fdf-4809-0b50-ea1bfbbec165@case.edu> <CAD0rTC68qoXvCV9SLP1dJ8Gvg71W7bg9yt8jjpmpESK-jKD7Wg@mail.gmail.com> <bf5a1810-8316-239c-0c5a-f85803048ab6@iki.fi> <c8425e21-172a-7aae-ae20-53ff339addbd@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 | 8bit |
| X-Trace | usenet.stanford.edu 1569174828 14230 209.51.188.17 (22 Sep 2019 17:53:48 GMT) |
| X-Complaints-To | action@cs.stanford.edu |
| Cc | chet.ramey@case.edu, bug-bash@gnu.org |
| To | Ilkka Virta <itvirta@iki.fi>, hk <hkadeveloper@gmail.com> |
| Envelope-to | bug-bash@gnu.org |
| DKIM-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1569174821; bh=8gT/khSyM4h56CSA+SmQy258QQHDibJvjSzTol+N8sE=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=DmJsVRKP03u+I8gKFuDzUzyKpzt5tgbkoGk0MNux//JPfWQf/+dN0KGqEMiOMb4Mc2 ZHOOhUbQcf1fjhLfegJn9y3/DZjMYGKHNsZNpZQr9ySalr8fS54khTR/kuxloKKH4P0 ChI314Eqc197xP7ubHcwpnuQpdUHTgDbzCaXuCpqgt69q5zVFxki2Tk7Vitsf7xK/Zl 7OB11V6p/ZXliZnCBktHOxxJ01D+z6P/dAx5igl42RO1A2taO5fAeqpNlpa7thjWfzG 3571DFAozQnggc1BvXI7WYcwJzjlYXUcBwcFrlU/FEu0q2+OwoSiBeyQXw+kE7ixtcs 2h3leFJQ== |
| DKIM-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=case.edu; s=smtp-primary; t=1569174820; bh=4t1xKvGiyJfIMKMAXEURRp7lfiyp5Fdl7iWi1Et82Qo=; h=Reply-To:Cc:Subject:To:References:From:Message-ID:Date: MIME-Version:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=aa7iF9gkbTQDENYe4+gOdSw8KkNCZvIp+mFYJm7D+KnxF/YB99kZNMUqOeOnd+nERU Q5zjG4lUCIzcSGxMj4p4AyLcnoQzlAfTEQ7BH3GuYwCv6hTACxxFJrsbpMzearNvfAw lRaQT44i068b6UN5zeNAQ79DKcDsMi/O6exhlbH4L/B65g/o0SdnGSbnBvsrdoYoyf9 f1nLtTwJ0nzQilY3ULjZ7W/+f4p7TCcMSSitDDNDyRv3lUq+DXMNLHQtfPTrQBzOQZa HLt5G2dky+8FWCCbG2FwqlJS4KetfgxfM7gToVuFWXd8nQoohq+DDNo455s1L6KVujf dLf2Txyw== |
| 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=4t1xKvGiyJfIMKMAXEURRp7lfiyp5Fdl7iWi1Et82Qo=; b=twaa52LU0W8EE5ahDdossMQNU9eDKbOplyS/5ZavdOLrEMWJfx4CmOG/HAEemPMipY hJNTM48ha4RFNIxuOf5SEs959s7trtFZzmPhNRIXTxvCSzQYhXreFal5hhFwnN2dLI+W T6XsdEcMSs1P2I+fEzH6YL8UKVyTGcY9Kt0UuY4mMHn1e+9T8q2+gzpEdiHCzHC0cLiH LYmM5TPevuYg9nnAarykXWs62KtcaJmdgiUuIgMHwoljWAAowgqqCYzZ8ErDLmwJwXq9 JfdDMILSFlY+FsCFbY00a8VedeCnSGprbC4qhUn/6x8E7FwdZL8F86uOh+MttpHr/i41 ZiAQ== |
| X-Gm-Message-State | APjAAAW0d6pLdG0bW8RvzN45ALv8P/IpHZX1sV9aZW721XVSlv1I93J9 eJoFq/OjCfndB1kBZRAAT2Ph9+j8pqAW00gKR/rRMMMFr+/mo91KifYACV2gLpj9iZcXWHDWSDj wnSDopOTNPJQ= |
| X-Received | by 2002:a37:9cd6:: with SMTP id f205mr13876219qke.500.1569174819537; Sun, 22 Sep 2019 10:53:39 -0700 (PDT) |
| X-Google-Smtp-Source | APXvYqwOM8fMH2NMQngLBLGVaYePZK+QeCQ+zRZ5Gyc7DS/fvUjXull3euSpmUYItW+s4GXqbb7lDw== |
| X-Received | by 2002:a37:9cd6:: with SMTP id f205mr13876206qke.500.1569174819232; Sun, 22 Sep 2019 10:53:39 -0700 (PDT) |
| Openpgp | preference=signencrypt |
| Autocrypt | addr=chet.ramey@case.edu; prefer-encrypt=mutual; keydata= mQGiBEEOsGwRBACFa0A1oa71HSZLWxAx0svXzhOZNQZOzqHmSuGOG92jIpQpr8DpvgRh40Yp AwdcXb8QG1J5yGAKeevNE1zCFaA725vGSdHUyypHouV0xoWwukYO6qlyyX+2BZU+okBUqoWQ koWxiYaCSfzB2Ln7pmdys1fJhcgBKf3VjWCjd2XJTwCgoFJOwyBFJdugjfwjSoRSwDOIMf0D /iQKqlWhIO1LGpMrGX0il0/x4zj0NAcSwAk7LaPZbN4UPjn5pqGEHBlf1+xDDQCkAoZ/VqES GZragl4VqJfxBr29Ag0UDvNbUbXoxQsARdero1M8GiAIRc50hj7HXFoERwenbNDJL86GPLAQ OTGOCa4W2o29nFfFjQrsrrYHzVtyA/9oyKvTeEMJ7NA3VJdWcmn7gOu0FxEmSNhSoV1T4vP2 1Wf7f5niCCRKQLNyUy0wEApQi4tSysdz+AbgAc0b/bHYVzIf2uO2lIEZQNNt+3g2bmXgloWm W5fsm/di50Gm1l1Na63d3RZ00SeFQos6WEwLUHEB0yp6KXluXLLIZitEJLQwQ2hldCBSYW1l eSAoQ2FzZSBzdGFuZGFyZCkgPGNoZXQucmFtZXlAY2FzZS5lZHU+iF8EExECAB8FAkPi19EC GwMHCwkIBwMCAQMVAgMDFgIBAh4BAheAAAoJELtYafBk6nSrelkAn31Gsuib7GcCZHbv5L5t VKYR9LklAJ4hzUHKA49Z0QXR+qCb80osIcmPSbkBDQRBDrBvEAQAkK6TAOKBEM+EC4j6V/7o /riVZqcgU5cid2qG9TXdwNtD9a3kvA/ObZBO93sX59wc6Bnwo4VJxsOmMlpGrAjJsxNwg3QH akEtf8LXRbVpj5xStdmBdQZUhIQyalo/2/TZq5OijtddUQcL5cs70hTv/FpT3wUvr2Xr8rjF 41IFEz8AAwcD/A0CZEGlzIrT5WCBnl6xBog/8vKiUCbarByat3d1mL6DbizvKNXQRTC9E/vE dENAWCQCjr75Bu55xT8n3SXGtWdDC5xmZ/P3OBYORP8yl8H8I1FIosWOFirbIeYdZPq8SPD1 HL+EXo9zSiHVrrZRJ19ooCKKbSdXHFCY+aJG+0KZiEkEGBECAAkFAkEOsG8CGwwACgkQu1hp 8GTqdKvjcACfZlkVCDwaz/NTO9cy3t69oWpVPNwAnRwe0qk/WL/gfhH346xh5B3HFbFN |
| User-Agent | Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
| In-Reply-To | <bf5a1810-8316-239c-0c5a-f85803048ab6@iki.fi> |
| Content-Language | en-US |
| X-Junkmail-Status | score=8/90, host=mpv1-2015.case.edu |
| X-Junkmail-PrAS-Raw | score=8/90, refid=2.7.2:2019.9.22.164518:17:8.317, 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, __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_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_900_999, __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 <bug-bash.gnu.org> |
| List-Unsubscribe | <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe> |
| List-Archive | <https://lists.gnu.org/archive/html/bug-bash> |
| List-Post | <mailto:bug-bash@gnu.org> |
| List-Help | <mailto:bug-bash-request@gnu.org?subject=help> |
| List-Subscribe | <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe> |
| X-Mailman-Original-Message-ID | <c8425e21-172a-7aae-ae20-53ff339addbd@case.edu> |
| X-Mailman-Original-References | <CAD0rTC7W20s7-8np7Z+CmZQczTQ+LX=Y1x01gAenewrpiJS5jw@mail.gmail.com> <8e7c8ea4-2fdf-4809-0b50-ea1bfbbec165@case.edu> <CAD0rTC68qoXvCV9SLP1dJ8Gvg71W7bg9yt8jjpmpESK-jKD7Wg@mail.gmail.com> <bf5a1810-8316-239c-0c5a-f85803048ab6@iki.fi> |
| Xref | csiph.com gnu.bash.bug:15400 |
Show key headers only | View raw
On 9/21/19 5:34 AM, Ilkka Virta wrote: > On 21.9. 03:12, hk wrote: >> Thanks for the reply. I was wrong in my report. It does match values like >> aab and aaaaaab in its original form. > > In some systems, yes. (It does that on my Debian, but doesn't work at all > on my Mac.) > >> It is syntatically correct as a regular expression. > > [[:space:]]*?(a)b isn't a well-defined POSIX ERE: > > 9.4.6 EREs Matching Multiple Characters > > The behavior of multiple adjacent duplication symbols ( '+', '*', '?', > and intervals) produces undefined results. It's ambiguous, but it can be interpreted as valid. I wonder why they used "undefined" instead of the usual "unspecified." -- ``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/
Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread
Re: Incorrect example for `[[` command. Chet Ramey <chet.ramey@case.edu> - 2019-09-22 13:53 -0400
csiph-web