On 2024-12-14 11:36, Chet Ramey wrote:
> On 12/14/24 12:40 PM, Kaz Kylheku wrote:
>> Hi!
>>
>> I first ran into this issue on MacOS using the Homebrew build of Bash 5
>> (BASH_VERSION "5.2.37(1)-release").
>>
>> When a trap is installed for a si
On 2024-12-14 23:16, Kaz Kylheku wrote:
> The right fix may be to stay away from SIGALRM, since readline
> clearly uses it for something.
Nope! It turns out that by dumb luck, I had picked the
winning signal. The hack used in Basta will not work with
signals other than SIGALRM. (No, not eve
On 2024-12-18 13:46, microsuxxor wrote:
> try
>
> p=$$ ; while sleep 1 ; do kill -USR1 "$p" ; done &
That's not necessary; my existing repro steps successfully show
a difference between two signals, that being the only
difference between them.
The $$ parameter is expanded to a decimal numeric
On 2024-12-18 06:58, Chet Ramey wrote:
>> With signals other than SIGALRM, the code has to be careful; if it
>> ever happens that the signal is delivered without the trap being
>> in place, Bash will die.
>
> Same with SIGALRM, too.
OK, that is my mistake. These steps do terminate Bash:
trap -
On 2024-12-18 12:48, Chet Ramey wrote:
> On 12/18/24 1:27 PM, Kaz Kylheku wrote:
>
>> What remains is the question why I somehow cannot get my
>> stuff to work with a different signal like SIGUSR1 or SIGVTALRM.
>>
>> Bash will not take them while it
On 2024-12-18 11:02, microsuxxor wrote:
> post ur code for review , if u want ..
It's BSD-licensed freeware: https://www.kylheku.com/cgit/basta/about/
Hi!
I first ran into this issue on MacOS using the Homebrew build of Bash 5
(BASH_VERSION "5.2.37(1)-release").
When a trap is installed for a signal, and delivered, Bash sends characters to
the terminal which move the cursor.
Steps to repro:
1. Register the simplest possible trap for the S
On 2025-03-06 11:58, Lawrence Velázquez wrote:
> On Thu, Mar 6, 2025, at 1:48 PM, microsuxx wrote:
>> {0} is no expansion
>> {0,} is
>> it must be 2+
>
> And this is documented. It is not a bug.
>
> A correctly-formed brace expansion must contain unquoted
> opening and closing braces
Hi all,
$ echo {a..zz}
{a..zz}
Right; the sequence is not well-formed according, and so this is not brace
syntax; the syntax stays intact as verbatim text, braces and all.
But:
$ echo {a..{z,y}}
a..z a..y
Is this documented? I would expect it to produce
{a..z} {a..y}
on the hypot
Hi All,
Consider this trivial wrapper:
wrapper()
{
command "$@"
}
Under an older bash like 4.4.20, when we suspend this with Ctrl-Z we get this:
$ wrapper cat
^Z
[1]+ Stopped cat
But under a newer bash, like 5.2.37:
$ wrapper cat
^Z
[1]+ Stopped command "$
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