thanks Peter, for my use case it actually works really nice this way. I was
hoping for something that wouldn't allow arbitrary command execution for
future uses, but I guess that would need a proper templating system of sorts
best regards

Pier Paolo Grassi
linkedin: https://www.linkedin.com/in/pier-paolo-grassi-19300217
founder: https://www.meetup.com/it-IT/Machine-Learning-TO


Il giorno mar 30 lug 2019 alle ore 16:24 Peter Stephenson <
p.stephenson@samsung.com> ha scritto:

> On Tue, 2019-07-30 at 15:15 +0100, Peter Stephenson wrote:
> > The nearest I can think of is:
> >
> > print -r -- "${(e):-$a}"
>
> Or, actually, a straight
>
> print -r -- "${(e)a}"
>
> since you don't need to add any text to the variable substitution.
>
> pws
>
>
>