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Mon, 31 Oct 2022 15:27:08 -0700 (PDT) MIME-Version: 1.0 References: <8cfe03ee-cddc-f70b-0c62-b506e49dfe58@eastlink.ca> <249024aa-ae57-e970-ccf1-1d3c8a391417@eastlink.ca> <4f4fb806-fef1-52ba-2559-f2629c823939@eastlink.ca> In-Reply-To: From: Bart Schaefer Date: Mon, 31 Oct 2022 15:26:57 -0700 Message-ID: Subject: Re: whence output varies with dot vs. realpath in $PATH To: Ray Andrews Cc: zsh-users@zsh.org Content-Type: text/plain; charset="UTF-8" X-Seq: 28296 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 Mon, Oct 31, 2022 at 2:18 PM Bart Schaefer wrote: > > It's the -m option. If you ask for a pattern match, "whence" rebuilds > the internal command hash table from the path and then does the > matching against that. However, "." is never used when loading the > hash table because it would become invalid as soon as you change > directories. There's one additional thing going on. When you use BOTH -a and -m, then anything found in the hash table with -m is searched for AGAIN by -a, using the name as found in the hash table rather than the pattern supplied as the -m argument. This is why "zsh" shows up multiple times but your garbled-name scripts do not.