Re: Unquoted array slice ${a[@]:0} expands to just one word if IFS doesn't have a space

Path	csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail
From	pepa65 <peterkelly@passchier.net>
Newsgroups	gnu.bash.bug
Subject	Re: Unquoted array slice ${a[@]:0} expands to just one word if IFS doesn't have a space
Date	Wed, 1 Aug 2018 19:42:30 +0700
Lines	9
Sender	Peter Passchier <peterpasschier@gmail.com>
Approved	bug-bash@gnu.org
Message-ID	<mailman.4545.1533127366.1292.bug-bash@gnu.org> (permalink)
References	<c1978119-1836-e88d-4889-c54bea4d0559@iki.fi> <20180801121251.efyquoibrsneiqbl@eeg.ccf.org>
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 1533127367 2208 208.118.235.17 (1 Aug 2018 12:42:47 GMT)
X-Complaints-To	action@cs.stanford.edu
To	bug-bash@gnu.org
Envelope-to	bug-bash@gnu.org
DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:subject:to:references:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=sZU60szdyg0o2xc0IIeZe9dvZpqTBr0ee2wEDquP8t8=; b=YZ/xglEtecs+UJLQ8W0Mt4ApQLZTyv3gxQ/vyqYFNa0LPwGl/5fwe56B981jbNsm2+ QVaCGSuQgxTlraLjHtGlydfrVJMyWi+F4See0ghpTfHKtBzpr/enoP1b4YUcCQCuh5Mv 51lbtxEwb/aPnI19AwnRKLFk833yJa0U26s4dSE6ebQdeEQeTHKLfq17CozEbuwAEyJ/ RFu2AVRY3/FIOmHrUFU62wXgWqchmq1B3OVZvH4KkXvYL5EwyC5JeDHNg6OJup7uNsaY PgG/rmjHVc6gBIYZj2kJ72Grdf06mU/QxRvbdK8Y/ns5qyrYrhYWwTgs76bGVpHM8nY+ s+Fg==
X-Google-DKIM-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:subject:to:references:openpgp :autocrypt:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=sZU60szdyg0o2xc0IIeZe9dvZpqTBr0ee2wEDquP8t8=; b=Uq1zxUIzYo9GnqHGZ0r39wF2DleL/ANI+zwOSvBSGVQCb9BXf/NP2GZew/z7y0yu4s P6g9dAexjL1rsUR9XHm9VAIbSBrUJ3acbcC6CwySAc/Y0DvyL93LhmSs9NPXSb8CcV+e cQG0rQHz34ThHY8V/tQ3In2WWe8v2MgeodFmqZ9UX7ASjhHPuAS82ywpTSyGQdfWsNm5 blzFv9FXwKeoKS26fY7yGVSmXuyJR3t1mhfn5dZmIJcMbXVMiJ0NdidmqKh8tmrV7QyB Rjyv1RJD17wvSvc+2gEEQWexs3L720gBup4DfNayBP5BypXg6lqarTxy3MYThgEdVZnV 7JuA==
X-Gm-Message-State	AOUpUlGHOWo1xZzjAkhMYYYve1+Nti/jLZOe30gqPjnW4waeFWemjbJ/ T5ze0EgC/TolgLsFhjNSzC0I1UuolAI=
X-Google-Smtp-Source	AAOMgpcySAUlZ88FClIVu5mS2veT1IzCQMRGXYDPTebxN9zONDbQKstN83iU/HYKYU5iCbvggdt/KA==
X-Received	by 2002:a17:902:583:: with SMTP id f3-v6mr24655187plf.115.1533127358570; Wed, 01 Aug 2018 05:42:38 -0700 (PDT)
X-Google-Original-From	pepa65 <solusos@passchier.net>
Openpgp	preference=signencrypt
Autocrypt	addr=solusos@passchier.net; keydata= xsFNBFjfL8gBEACS/gbEHElY/U03Z70OrsYstUl/0LlFWI3iJxn81XkFA7xN8ni02FWoVA9b lBB1mKmxDiGwsMVYpXAirGZGpkTKWdMFJOw4e7/Vq6SDWif3L4TaFFHquHenROlqRxjPVlHM ZEu94Nt+t+mnvSmiXNmFeL1Rlryuzj8u+9qFkaiUecvUacEaKbF0sJwG51uaCLTUE/HFiJeH vNNTD+Hlo7d4wNCg1lY5CFHOeRcyJ1IhamAsjliew+yuN3l4KxG1V5GAbKHf2O72m36HStRl LL6pGa7VYvOAwstw35dK1Rc8bRW0f9ICdIipc7ijNgE+NFD6gRdbmWPhHI7C0+3DejFUhTwu iMCsUoD5h1u0z/0V28rjBcVcpXLjUVFdAt+JhjBebB1RFVpmqw4D6D0TwahoX/8ixYe3zRTa 2A/lLcdPCFOdqw3d7vv+txbSw7lJNeayoId7P1ZmiSga5zs+mnl+RQch8P5ihIygfZlIOn44 DJx7xScMm5ixcygp1EGWqKePrMsjl71fo6p4S0j+81yuW0U5Q4/WAxBZSzeNq4/CduBKn9fW FIuZfYeSZjy1bxsPyOYLxnt2TE+ldgGIMl5GW6MEtz3FwRPMgtNpSy1Eo07ec899rNUOxeb2 e3FtfLzAcxRoxc5SY9PnfttJvESACBiCAShU4LMMLJKEMfsCIQARAQABzSVQZXRlciBQYXNz Y2hpZXIgPHBldGVyQHBhc3NjaGllci5uZXQ+wsF9BBMBCAAnBQJY3y/IAhsjBQkJZgGABQsJ CAcCBhUICQoLAgQWAgMBAh4BAheAAAoJEA5oUwj0rP2e8aIP/31WesFGDSIzaRFoqXBv9gPx uhMi3pcnfag20a76035E2TohSzQlWQ84gR6Ts5HfbFnazly0/UPIbvWStx1aOe59w46ejYXf xH6LShMuKcYj+W1ywcIO/NtC4SbAtDLTVDMzEhp/8K1q+wq0/+5UnmVdnzdHzmuDE/w39KPh 3YaDigh2aZgLprWxx0g3UVVNESOx8SaulaBFap6ikbp7EmYR4mCBYJ0OJjIRQKt43bGEf/f7 GMedX8131A9v+NsO8gmFDPemefrjISBEoC7ra0sChcNeQqKX8HRkCgCWgF+zIhUX0AsVH7f3 vYUF8lhxIlclZnPSXHCHWUA6cVTghnbVPogFCVjz3sG2zKKEpqG1XuhtOTjALfkdvoenF6Q+ IJGhQArsq+fWDvEyR+fkng3h/wD8JH4yTjjoypKo03SzJXqYKEY3BPhWfNqy9kjgENrTlSJw sxTFT0QVNAt6okiIqHmrfgDe1cuyO+DYZsNe+hqbRhN1eN/4jM18rqZ9i8lp5bs8vhl4f7OK gqaLhhkW1MXhzR4r4/wIY2dNOWQlJk8HV2DVl0LGV7I8P89vC+qJ52uFPHdrPjC9V1Iz27YP IoxKXLM5M9SuOmpZ9VMwJT9HyhwBW4uH0JuNXJiibz5iZJh+UBGtLfonZpwjYyQzkJIpzaNb n5iuq6/YQFwlzsFNBFjfL8gBEADCEurarLau6Hv/uRybgwg01YB2k3+EjDBzNPq0WzQbE9Xl hwqIXIFLCvgy5u+/dnpbQZkHU9yF8Ash6UrZCcs/cAuH5D3RuJSsoCW9tdNQrB0JJnao1J/S flah3hRzV5xzMoPnamVxslLzzc5qjk7vHhWoYqilaLumCIr6VkVaau+ynB40zexHp4bH3tUm ugTvOJukb3GK5BJ/3us1MDh5fheP4SdaV87qRwJYKpjaAutO0AennlaZzCpoM39rwZMh3j2/ yZEmLdqSQF3dzXv2ZTHxWzoz6EejySDb1DCDb0T25BjBGZLyIcGZQuAdOQvmcA7InPVsP9Gi wz0OzsCg4FBUzNzfsfPb8+JkY+9l6fOq7x1s1zSZ3ketvQ87WLfLhzuQJEVPYNAHNFjCdxY8 nW5lWtn+z7FI883wbcjRp6xoSnXXt51hY0BYevUQke0MMiFJLQxhyri9wxCYIkMIIwHW7Q8C iNFHG5bHAuU6IYe2fG5g/37U6i/2mExX7k2aM8TQk0XraezhKbd9dvYKoweGLpnFNpapIXWZ hjwSH1emfPQ4OZ2T8jHnI1oJfJz00BIMRzwDnVUOfD9+35BEAJZJhTRGOXV2HTzBCXXenWSO 37xglYrJGpsWjQBEgPhRtdHv6TFrbKEFFZOXN1VHi9Qwhw2dBdZLK+CypSNH1wARAQABwsFl BBgBCAAPBQJY3y/IAhsMBQkJZgGAAAoJEA5oUwj0rP2e6vUP/Aw6/gSe6cVl3djCJBut3Sfh ixxV53VzDcb5fMQHx/5D1XqDSAwgFP8FhTYjUTWjZ5MzFleLuv8Q3ZPY4OAztJk95byToGpS xJkBJCzciH5pYpQ7RZmkFLXlux5YLnAao8DMqQdqhcIvINIHOZx8s24K89K6xxOXidg4ZIbN Py53tMZDB18baiD1n4/3X4z/06Ux4wPOB4j3zR0CdGjKECv9l4Dwf1EAKFupvN9ttwQF/4UB W5eQZkGBdwAFXPZ90Z/WMxgeCAkzQ2oWTUS3s19TYbeqCIR+1TBlQZx1g0iHrnGvj5gZH7YG ntDw+cvyF+72thtbyhEjIzqlAE65RyWSoRgfdEDzx0KLl7flv77eK58p7+/9yFtVZ5lj9ckt yrm9okNLnHOwzQhNScqL8MTL3OkHchZe8YxnwMPwx421khVMeQH8kwID/pAbXwagdm3rkHPs 8mOP29kfzk5aOWxYETmTO5AreFhps8D9fIYYk1oUQNqjuiT0TEPIVp9YkUULZwRj34CYbxVA FTQu9ykyJofZsBgj+KCEkenZqamx7ISuOomCu3LsFMaQP7AQbWWUgYPZYSRKqP+ziZBbIQRk pkEeXXNtjfST0zR0rcM9E/Wp9eJLHvUSKGmzkfrOFXA4InSwGvwhNxkDFRgVkK0nAOwn3/BY ehXgcjIoeiMn
User-Agent	Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1
In-Reply-To	<20180801121251.efyquoibrsneiqbl@eeg.ccf.org>
Content-Language	en-US
X-detected-operating-system	by eggs.gnu.org: Genre and OS details not recognized.
X-Received-From	2607:f8b0:400e:c01::22e
X-BeenThere	bug-bash@gnu.org
X-Mailman-Version	2.1.21
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	<http://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>
Xref	csiph.com gnu.bash.bug:14429

Show key headers only | View raw

On 08/01/2018 07:12 PM, Greg Wooledge wrote:
> This just reinforces the point that unquoted $@ or $* (or the array
> equivalent) is a bug in the script.  It gives unpredictable results.

If the results are unpredictable, isn't that a bug that wants fixing?
That would be a very noble goal, should it not be possible?

Peter

Back to gnu.bash.bug | Previous | Next | Find similar | Unroll thread

Thread

Re: Unquoted array slice ${a[@]:0} expands to just one word if IFS doesn't have a space pepa65 <peterkelly@passchier.net> - 2018-08-01 19:42 +0700

csiph-web