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From: Bart Schaefer <schaefer@brasslantern.com>
To: dana <dana@dana.is>
Cc: Ben Klein <robobenklein@gmail.com>, Zsh Users <zsh-users@zsh.org>,
	 Daniel Shahaf <d.s@daniel.shahaf.name>,
	Joey Pabalinas <joeypabalinas@gmail.com>
Subject: Re: Capturing STDOUT without subshells or file I/O
Date: Mon, 17 Sep 2018 14:33:15 -0700	[thread overview]
Message-ID: <CAH+w=7aKperoGPJbKDj5v=7P9_bkPb3RSbg2fP=L-_EQkZGnWw@mail.gmail.com> (raw)
In-Reply-To: <61C90346-A07B-49A7-8062-DF5AA614F133@dana.is>

On Mon, Sep 17, 2018 at 2:19 PM, dana <dana@dana.is> wrote:
>
> Mikael once showed me this trick:
>
>   print -zf '%.2f' 3.4
>   read -rz var
>   echo $var # 3.40

That's pretty close to exactly what "printf -v" does underneath.  It
just requires that the buffer stack be present, so it means the zle
module has to have been loaded -- but that happens even in
non-interactive shells unless you do something to prevent it, so it
should work almost all the time.

  reply	other threads:[~2018-09-17 21:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-02 20:57 Ben Klein
2018-09-03  0:40 ` Joey Pabalinas
2018-09-03 14:02 ` Daniel Shahaf
2018-09-03 18:43   ` Joey Pabalinas
2018-09-17 20:13     ` Ben Klein
2018-09-17 20:46       ` Daniel Shahaf
2018-09-17 21:01         ` Mikael Magnusson
2018-09-17 21:20           ` Bart Schaefer
2018-09-17 21:19       ` dana
2018-09-17 21:33         ` Bart Schaefer [this message]
2018-09-18  5:12 ` Sebastian Gniazdowski
2018-09-21  6:58   ` Oliver Kiddle

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