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

From	Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups	gnu.bash.bug
Subject	Re: Unquoted array slice ${a[@]:0} expands to just one word if IFS doesn't have a space
Date	2018-08-01 09:40 -0400
Message-ID	<mailman.4554.1533130822.1292.bug-bash@gnu.org> (permalink)
References	<c1978119-1836-e88d-4889-c54bea4d0559@iki.fi> <20180801121251.efyquoibrsneiqbl@eeg.ccf.org> <b920fff1-e2dd-59b8-f62d-5c982eedd8aa@iki.fi>

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On Wed, Aug 01, 2018 at 04:06:03PM +0300, Ilkka Virta wrote:
> Unquoted $* seems well-defined in Bash's reference manual:
> 
>   ($*) Expands to the positional parameters, starting from one. When the
>   expansion is not within double quotes, each positional parameter
>   expands to a separate word.

But not in reality.

https://lists.gnu.org/archive/html/bug-bash/2017-06/msg00283.html

https://lists.gnu.org/archive/html/bug-bash/2017-09/msg00058.html

https://lists.gnu.org/archive/html/bug-bash/2018-01/msg00035.html

Unquoted $* or $@ is just a disaster.  Don't do it.

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Re: Unquoted array slice ${a[@]:0} expands to just one word if IFS doesn't have a space Greg Wooledge <wooledg@eeg.ccf.org> - 2018-08-01 09:40 -0400

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