On Wed, 18 Oct 2023 at 22:19, Zachary Santer wrote:
> On Tue, Oct 17, 2023 at 5:56 PM Emanuele Torre
> wrote:
>
> > bash-5.1$ letters=( {a..z} ); echo "${letters["{10..15}"]}"
> > k l m n o p
>
...
> So how important is it to maintain undocumented behavior?
>
This is the expected outco
On Thu, Oct 19, 2023 at 04:12:16PM -0400, Chet Ramey wrote:
> On 10/18/23 1:08 PM, Emanuele Torre wrote:
> > While we are at it, when examining this issue now, I have also noticed
> > that, regardless of whether brace expansion is enabled or not, the bash
> > parser always reads single quotes in do
On 10/18/23 1:08 PM, Emanuele Torre wrote:
On Wed, Oct 18, 2023 at 11:24:11AM -0400, Chet Ramey wrote:
On 10/18/23 10:50 AM, Chet Ramey wrote:
Is it really ok to break that behaviour?
That's why, if you want the first problem repaired, you have to specify
which word expansions are ok to pars
On Wed, Oct 18, 2023 at 11:24:11AM -0400, Chet Ramey wrote:
> On 10/18/23 10:50 AM, Chet Ramey wrote:
>
> > > Is it really ok to break that behaviour?
> >
> > That's why, if you want the first problem repaired, you have to specify
> > which word expansions are ok to parse and which are not. Shoul
On 10/18/23 10:50 AM, Chet Ramey wrote:
Is it really ok to break that behaviour?
That's why, if you want the first problem repaired, you have to specify
which word expansions are ok to parse and which are not. Should it be
only command and process substitution, which can independently specify
On 10/18/23 10:24 AM, Emanuele Torre wrote:
On Wed, Oct 18, 2023 at 09:50:00AM -0400, Chet Ramey wrote:
On 10/17/23 5:55 PM, Emanuele Torre wrote:
braces.c
- brace_gobbler: use extract_dollar_brace_string if we see ${ with
the appropriate value of QUOTING, so we don't have to
On Wed, Oct 18, 2023 at 09:50:00AM -0400, Chet Ramey wrote:
> On 10/17/23 5:55 PM, Emanuele Torre wrote:
> > > braces.c
> > > - brace_gobbler: use extract_dollar_brace_string if we see ${ with
> > > the appropriate value of QUOTING, so we don't have to teach brace
> > > expansion more she
On Wed, Oct 18, 2023 at 09:39:36AM -0400, Zachary Santer wrote:
> I guess I still want to hear about "${#@}" and $[ ].
$[ ] is officially deprecated, and users are advised to stop using it.
It was originally going to be the syntax for arithmetic expansion, and
made it as far as some POSIX rough d
On 10/18/23 9:39 AM, Zachary Santer wrote:
I guess I still want to hear about "${#@}" and $[ ]. Sorry about bringing
them up in relation to something that *is* documented.
The former is unspecified, but seems reasonable: $@ expands the positional
parameters to a set of words, and the # counts
On 10/17/23 5:55 PM, Emanuele Torre wrote:
braces.c
- brace_gobbler: use extract_dollar_brace_string if we see ${ with
the appropriate value of QUOTING, so we don't have to teach brace
expansion more shell syntax.
Report from Emanuele Torre
- brace_g
On Wed, Oct 18, 2023 at 8:47 AM alex xmb sw ratchev
wrote:
> by chet stating many times that every bash item undergoes expansion ..
>
As in, Bash expands
$ printf '%s\n' "${array["{2..6..2}"]}"
to
$ printf '%s\n' "${array[2]}" "${array[4]}" "${array[6]}"
on its way to giving you
two
four
six
That
On Wed, Oct 18, 2023 at 08:19:35AM -0400, Zachary Santer wrote:
> On Tue, Oct 17, 2023 at 5:56 PM Emanuele Torre
> wrote:
>
> > bash-5.1$ letters=( {a..z} ); echo "${letters["{10..15}"]}"
> > k l m n o p
> >
>
> Then there's the question "Was that even supposed to work like that?"
This
On Wed, Oct 18, 2023, 14:20 Zachary Santer wrote:
> On Tue, Oct 17, 2023 at 5:56 PM Emanuele Torre
> wrote:
>
> > bash-5.1$ letters=( {a..z} ); echo "${letters["{10..15}"]}"
> > k l m n o p
> >
>
> Then there's the question "Was that even supposed to work like that?" If
> so, you'd think
On Tue, Oct 17, 2023 at 5:56 PM Emanuele Torre
wrote:
> bash-5.1$ letters=( {a..z} ); echo "${letters["{10..15}"]}"
> k l m n o p
>
Then there's the question "Was that even supposed to work like that?" If
so, you'd think it would generalize to being able to pass a series of
whitespace-de
> braces.c
> - brace_gobbler: use extract_dollar_brace_string if we see ${ with
> the appropriate value of QUOTING, so we don't have to teach brace
> expansion more shell syntax.
> Report from Emanuele Torre
> - brace_gobbler: call the word extraction functions
On 10/13/23 12:08 PM, Emanuele Torre wrote:
In a PE pattern, if the pattern has a single quoted part that contains
$( and does not contain a closing parenthesis, and has \' at the
end, bash will try to parse a command substitution and fail.
This is brace expansion. It looks like I'll have
In a PE pattern, if the pattern has a single quoted part that contains
$( and does not contain a closing parenthesis, and has \' at the
end, bash will try to parse a command substitution and fail.
$ echo "${HOME#'$('\'}"
bash: command substitution: line 3: unexpected EOF while looking
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