From: Roman Perepelitsa <roman.perepelitsa@gmail.com>
To: Sebastian Gniazdowski <sgniazdowski@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 12:46:53 +0200 [thread overview]
Message-ID: <CAN=4vMpCeYA_udrXj60j2daT7TfU_0aWj0iRRthCti+9YJDj-g@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVD1Lr-Z1LasY7=kyP5-a7NMZDrWxwJjCgPyX0Axu3UbOw@mail.gmail.com>
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.
next prev parent reply other threads:[~2019-08-29 10:47 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 [this message]
2019-08-29 11:13 ` Sebastian Gniazdowski
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