Date:Thu, 23 May 2024 05:57:05 +0300
From:=?UTF-8?B?T8SfdXo=?=
Message-ID:
| On Thu, May 23, 2024 at 2:49 AM Steffen Nurpmeso wrote:
| > Only to note that this is not portable.
| Nor will NetBSD sh.
That's right, and this is expressly unspecified in POSIX.
On Thu, May 23, 2024 at 2:49 AM Steffen Nurpmeso wrote:
> Only to note that this is not portable.
> The FreeBSD shell will not assign "b" to "c" for this one!
Nor will NetBSD sh. This lets you swap values of two variables without
using a third
$ x=1 y=2
$ x=$y y=$x
$ echo $x $y
2 1
And some
Greg Wooledge wrote in
:
|On Thu, May 23, 2024 at 06:56:01AM +0800, Dan Jacobson wrote:
|> It seems these should both make one line "+ a=b c=b" output,
|>
|> for s in sh bash
|> do $s -xc 'a=b c=$a'
Only to note that this is not portable.
The FreeBSD shell will not assign "b" to "c" for
On Thu, May 23, 2024 at 06:56:01AM +0800, Dan Jacobson wrote:
> It seems these should both make one line "+ a=b c=b" output,
>
> for s in sh bash
> do $s -xc 'a=b c=$a'
> done
>
> I mean they give the same results, but bash splits it into
> two lines, so the user reading the bash -x output
It seems these should both make one line "+ a=b c=b" output,
for s in sh bash
do $s -xc 'a=b c=$a'
done
I mean they give the same results, but bash splits it into
two lines, so the user reading the bash -x output cannot tell
if one (correct) or two (incorrect) lines were used.
They can tell with
On 5/21/24 10:41 PM, Grisha Levit wrote:
bash --norc -in <<< $'A \e-\cXs'
I think I'd rather make negative counts work in the opposite direction.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech,
On 5/21/24 11:58 PM, Grisha Levit wrote:
$ HISTFILE= bash --norc -in <<< $'#\n#\e\t'
bashline.c:3720:16: runtime error: null pointer passed as argument 1, which is
declared to never be null
/usr/include/stdlib.h:971:30: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer:
On 5/22/24 12:32 AM, Zachary Santer wrote:
On Tue, May 21, 2024 at 3:06 PM Chet Ramey wrote:
On 5/21/24 11:14 AM, Zachary Santer wrote:
On Tue, May 21, 2024 at 9:01 AM Chet Ramey wrote:
On 5/21/24 6:17 AM, Zachary Santer wrote:
I was wondering what the relationship between the devel and
On 5/21/24 11:34 AM, Grisha Levit wrote:
- free directory_part when completing command words like `~/bin/'
- free contents of matches when completing command words in old-style
command substitutions
Thanks for the report and patch.
--
``The lyf so short, the craft so long to lerne.'' -
On 5/21/24 11:32 AM, Grisha Levit wrote:
- free command if it is the empty string
- free command before calling bound function, in case bound function
does not return, like rl_abort
Thanks for the report. I don't want to ring the bell if the command is
the empty string, so I did this
On Wed, May 22, 2024 at 12:32 AM Zachary Santer wrote:
>
> In my Rocky Linux 9.1 VM:
> $ bash --version
> GNU bash, version 5.1.8(1)-release [...]
> $ exec {fd_A}> >( cat > file_A.txt )
> $ exec {fd_B}> >( cat > file_B.txt )
> $ printf 'words\n' | tee /dev/fd/"${fd_A}" /dev/fd/"${fd_B}"
> words
>
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