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):
$ a=(aa bb); IFS=x; printf ":%s:\n" ${a[@]:0}
:aa bb:
I expected it would expand to separate words, as it does without the
slice, and ju
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
equiv
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
On Wed, Aug 01, 2018 at 07:42:30PM +0700, pepa65 wrote:
> 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
On 1.8. 15:12, Greg Wooledge wrote:
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 unq
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
Date:Wed, 1 Aug 2018 09:03:20 -0400
From:Greg Wooledge
Message-ID: <20180801130320.wwmnw6ixxztih...@eeg.ccf.org>
| "$@" expands to a list of words, and "$*" expands to a single string
| with an optional single-character delimiter inserted between substrings.
| T
On Wed, Aug 01, 2018 at 09:05:20PM +0700, Robert Elz wrote:
> Date:Wed, 1 Aug 2018 09:03:20 -0400
> From:Greg Wooledge
> | What's the intent of a script that uses unquoted $@ or $*?
>
> Either (or both) of field splitting of the args, or filename expansion.
>
> As in
>
Date:Wed, 1 Aug 2018 09:40:12 -0400
From:Greg Wooledge
Message-ID: <20180801134012.r6ojiewtx3npa...@eeg.ccf.org>
| https://lists.gnu.org/archive/html/bug-bash/2017-06/msg00283.html
A bug in dash which as far as I can tell has since been fixed.
| https://lists.gn
On 8/1/18 10:52 AM, Robert Elz wrote:
> Date:Wed, 1 Aug 2018 09:40:12 -0400
> From:Greg Wooledge
> Message-ID: <20180801134012.r6ojiewtx3npa...@eeg.ccf.org>
>
> | https://lists.gnu.org/archive/html/bug-bash/2017-06/msg00283.html
>
> A bug in dash which as far as I
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