Re: When/why does the shell (bash) (sometimes) not re-cycle job IDs?

On 2024-05-12, Lawrence D'Oliveiro <ldo@nz.invalid> wrote:

Job numbers are reused after it has notified you of termination of the
previous job. At least in Bash.

 
Demonstrably false:

>
Works for me:
>
    ldo@theon:~> sleep 10 &
    [1] 1094669
    ldo@theon:~> sleep 1 &
    [2] 1094670
    ldo@theon:~>
    [2]+  Done                    sleep 1
    ldo@theon:~> sleep 1 &
    [2] 1094671

So if the highest numbered job terminates, that number is immediately
reused.  Earlier ones are not.

It's a stack.

And again, that behavior is already present in csh.

--
Christian "naddy" Weisgerber                          naddy@mips.inka.de