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Groups > gnu.bash.bug > #14428

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 08:12 -0400
Message-ID <mailman.4539.1533125608.1292.bug-bash@gnu.org> (permalink)
References <c1978119-1836-e88d-4889-c54bea4d0559@iki.fi>

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On Wed, Aug 01, 2018 at 02:43:27PM +0300, Ilkka Virta wrote:
> On both Bash 4.4.12(1)-release and 5.0.0(1)-alpha, a subarray slice like
> ${a[@]:0} expands to just one word if unquoted (and if IFS doesn't
> contain a space):

This just reinforces the point that unquoted $@ or $* (or the array
equivalent) is a bug in the script.  It gives unpredictable results.
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 08:12 -0400

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