From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: Roman Perepelitsa <roman.perepelitsa@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: A way to apply function to each element of an array
Date: Thu, 29 Aug 2019 13:13:08 +0200 [thread overview]
Message-ID: <CAKc7PVAcQ9TOQ9cMQYJu_MCQJnwD9BKk77dULMub+QUnjooxvQ@mail.gmail.com> (raw)
In-Reply-To: <CAN=4vMpCeYA_udrXj60j2daT7TfU_0aWj0iRRthCti+9YJDj-g@mail.gmail.com>
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Cool, thanks! It makes the solution much more readable.
czw., 29 sie 2019, 12:47 użytkownik Roman Perepelitsa <
roman.perepelitsa@gmail.com> napisał:
> On Thu, Aug 29, 2019 at 2:51 AM Sebastian Gniazdowski
> <sgniazdowski@gmail.com> wrote:
> >
> > myarr=( "${(@)${myarr[@]/(#m)*/$(( msfunc(${(q)MATCH})
> ))$REPLY}/(#s)0/}" )
>
> I usually use ${foo+} to expand foo for its side effects and to ignore
> the substituted value.
>
> myarr=( "${(@)${myarr[@]/(#m)*/${$((msfunc(${(q)MATCH})))+}$REPLY}}" )
>
> This way you can discard the substituted value without knowing what it is.
>
> Roman.
>
prev parent reply other threads:[~2019-08-29 11:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-29 0:49 Sebastian Gniazdowski
2019-08-29 2:47 ` Sebastian Gniazdowski
2019-08-29 10:46 ` Roman Perepelitsa
2019-08-29 11:13 ` Sebastian Gniazdowski [this message]
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