Wow.  I'm genuinely impressed, it even supports all of the flags that I
need!  And has all of the fun non-determinism of parallel execution (with
-P)!  This satisfies about 60% of what I need, and is a great tool to have
handy!

The limitation appears to be that the command is run in a sub-shell /
separate process (as one might expect), so there's no way to correlate
input74 → output74.

I suppose with "zargs -n1" I can redirect the output of each to an
individual file (in an e.g. temporary file), and then just read them back
and stick everything into an associative array.

A very simple test works exactly correct, but a slight variation gives me
"zargs: argument list too long":

Uploaded the source here for ease of viewing and syntax highlighting:
https://gist.github.com/zachriggle/b53b35faa5a60b674575e1dc6cae1d2e

*Zach Riggle*


On Sat, Nov 6, 2021 at 11:18 AM Bart Schaefer <schaefer@brasslantern.com>
wrote:

> On Sat, Nov 6, 2021 at 6:41 AM Zach Riggle <zachriggle@gmail.com> wrote:
> >
> > Ultimately, I'd like to have some quasi-implementation of xargs -P in
> pure zsh -- which maps a __function__ to a list of arguments
>
> Look at "zargs" in "man zshcontrib"
>