On Sunday, March 24, 2024, Oğuz <oguzismailuy...@gmail.com> wrote:
>
>     $ printf '%s\0' "${a[@]@k}" | xargs -0 jq --args -n '$ARGS.positional
> | _nwise(2) | {(.[0]): .[1]}' | jq -s add
>

On reflection, splitting by NULs in JQ is better; there is no guarantee
that xargs will always provide an even number of arguments.


-- 
Oğuz

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