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Re: Expand each array element with ${(P)...}

X-seq: zsh-users 29643
From: Roman Perepelitsa <roman.perepelitsa@xxxxxxxxx>
To: Marlon Richert <marlon.richert@xxxxxxxxx>
Cc: Zsh Users <zsh-users@xxxxxxx>
Subject: Re: Expand each array element with ${(P)...}
Date: Tue, 6 Feb 2024 08:25:21 +0100
Archived-at: <https://zsh.org/users/29643>
In-reply-to: <CAHLkEDt7_JcL2gX7b+DFbmwt+FaR_TfQftronc_47rOC4=Nttg@mail.gmail.com>
List-id: <zsh-users.zsh.org>
References: <CAHLkEDt7_JcL2gX7b+DFbmwt+FaR_TfQftronc_47rOC4=Nttg@mail.gmail.com>

On Tue, Feb 6, 2024 at 7:51 AM Marlon Richert <marlon.richert@xxxxxxxxx> wrote:
>
> I have an array of variable names that I would like to expand to an
> array of these variables' values.

You could use this (requires extended_glob):

  ${names/(#m)*/${(P)MATCH}}

Or this, if you need to retain empty elements:

  "${(@)names/(#m)*/${(P)MATCH}}"

I don't know if there is a better way.

Roman.

Follow-Ups:
- Re: Expand each array element with ${(P)...}
  - From: Lawrence Velázquez

References:
- Expand each array element with ${(P)...}
  - From: Marlon Richert

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