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Date: Mon, 3 Sep 2018 14:02:14 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: Ben Klein <robobenklein@gmail.com>
Cc: zsh-users@zsh.org
Subject: Re: Capturing STDOUT without subshells or file I/O
Message-ID: <20180903140214.76kbzgpfru6atc5u@tarpaulin.shahaf.local2>
References: <04a12c6a-c926-b088-f386-8a2bdb81dad2@gmail.com>
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Ben Klein wrote on Sun, Sep 02, 2018 at 16:57:49 -0400:
> I have an interesting predicament, I with to capture the STDOUT (builtin
> printf) of a ZSH function to a variable, in which the function should be
> running in the current shell context.

Just pass -v to the builtin printf, e.g.,

% printf -v foo 'a%03d' 42
% typeset -p foo
a042
%