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Sun, 03 Jan 2021 09:26:41 -0800 (PST) MIME-Version: 1.0 References: <3e0ebc9c-5cbf-f89d-c0fe-220c8d295386@eastlink.ca> In-Reply-To: <3e0ebc9c-5cbf-f89d-c0fe-220c8d295386@eastlink.ca> From: Bart Schaefer Date: Sun, 3 Jan 2021 09:26:30 -0800 Message-ID: Subject: Re: comment block curiosity To: Ray Andrews Cc: Zsh Users Content-Type: text/plain; charset="UTF-8" X-Seq: 26317 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: Archived-At: On Sun, Jan 3, 2021 at 9:10 AM Ray Andrews wrote: > > alias startcomment=': < alias endcomment='COMMENTBLOCK' You're overthinking this a bit, Ray. alias startcomment=': <<\endcomment' The backslash prevents accidental expansion of command substitutions etc. in the block. > [...] > endcomment # This is ignored [...] > COMMENTBLOCK # This ends the comment. > > You'd think that "endcomment' would be the alias more likely to work but > it doesn't. Why? Can it be fixed? Aliases do not expand inside here-documents. Even if they did, the ending delimiter must be found literally.