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Fri, 11 Jun 2021 12:58:49 -0700 (PDT) MIME-Version: 1.0 References: <20210611195322.4tnhhppbjpddi2tv@chazelas.org> In-Reply-To: <20210611195322.4tnhhppbjpddi2tv@chazelas.org> From: Roman Perepelitsa Date: Fri, 11 Jun 2021 21:58:38 +0200 Message-ID: Subject: Re: Where is this =(:) construct documented? To: Zach Riggle , Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 49060 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Fri, Jun 11, 2021 at 9:53 PM Stephane Chazelas wrote: > > That's the third form of process substitution. And the colon in =(:) is a builtin that does nothing (the same as true). It's mandated by POSIX. Roman.