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Tue, 31 Aug 2021 14:03:50 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Roman Perepelitsa Date: Tue, 31 Aug 2021 23:03:39 +0200 Message-ID: Subject: Re: autoload variables To: Marc Chantreux Cc: Anthony Fletcher , Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 27032 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: On Tue, Aug 31, 2021 at 10:38 PM Marc Chantreux wrote: > > besides: if the sed command is for real, i'm curious about > how it works The original sed command from the first email: sed -n -e '/^default/ s/^default.*dev //; s/ .*// p;q' It's equivalent to this: head -1 | sed 's/^default.*dev //' | sed 's/ .*//' In plain English: 1. Take the first line. 2. If a portion of the line matches '^default.*dev', remove it: 3. If a portion of the line matches ' .*', remove it. Roman.