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From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Preparing for a new release
In-reply-to: <CAJ3okZ38QaLowjrKB1zg0ONNOPALB1njEwWXbG7RFJK_Gj1hxA@mail.gmail.com>
Date: Tue, 11 Feb 2020 10:39:40 +0100
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To: zimoun <zimon.toutoune@gmail.com>
Cc: gwl-devel@gnu.org


zimoun <zimon.toutoune@gmail.com> writes:

> Does this work?
>
>  --8<---------------cut here---------------start------------->8---
>  process foo
>    inputs
>      . "something"
>      . samples: "a" "b" "c"
>      # { echo {{(pick second inputs:samples)}} }
>  --8<---------------cut here---------------end--------------->8---
>
> or   # { echo {{(pick second samples: inputs)}} }
>
> Because it is enough to usual needs, I guess.

No, this won=E2=80=99t work because {{=E2=80=A6}} is only for simple variab=
le
interpolation; it does not support anything with a space in it.  That=E2=80=
=99s
on purpose to avoid conflicts with the embedded language syntax.

You will need to define a local variable first and reference that:

--8<---------------cut here---------------start------------->8---
process foo
  inputs
    . "something"
    . samples: "a" "b" "c"
  procedure
    define my-selection
      pick second samples: inputs
    # { echo {{my-selection}} }
--8<---------------cut here---------------end--------------->8---

--
Ricardo