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Thu, 04 Jan 2024 18:31:54 -0400 X-Authority-Analysis: v=2.4 cv=NJYTuW2g c=1 sm=1 tr=0 ts=659731da a=e7T7DzMKK1R988ZCg0wLyw==:117 a=e7T7DzMKK1R988ZCg0wLyw==:17 a=IkcTkHD0fZMA:10 a=Fa-TeFX5G0-6Hoxvu1YA:9 a=QEXdDO2ut3YA:10 X-Vade-Cause: gggruggvucftvghtrhhoucdtuddrgedvkedrvdegkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfgtefuvffnkffpmfdpqfgfvfenuceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhepkfffgggfvffhufgtgfesthekredttddvjeenucfhrhhomheptfgrhicutehnughrvgifshcuoehrrgihrghnughrvgifshesvggrshhtlhhinhhkrdgtrgeqnecuggftrfgrthhtvghrnhepveegueehueevueelvdefieekteevfedukedugeeihedvvdfgvdffieekheeggefgnecukfhppedvgedrvddtjedrudelrddufeenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvgedrvddtjedrudelrddufedphhgvlhhopegludelvddrudeikedrtddruddungdpmhgrihhlfhhrohhmpehrrgihrghnughrvgifshesvggrshhtlhhinhhkrdgtrgdpnhgspghrtghpthhtohepvddprhgtphhtthhopeerredprhgtphhtthhopeiishhhqdhushgvrhhsseiishhhrdhorhhgpdhgvghtqdgkihhprfgrshhsfigupehtrhhuvg X-Vade-Score: -100 X-Vade-State: 0 X-EL-AUTH: rayandrews@eastlink.ca Message-id: <625e7ef5-be1f-4b5d-bb2a-f71634d151cf@eastlink.ca> Date: Thu, 4 Jan 2024 14:31:53 -0800 MIME-version: 1.0 User-Agent: Mozilla Thunderbird Content-language: en-US To: Zsh Users From: Ray Andrews Subject: tilde syntax Content-type: text/plain; charset=UTF-8; format=flowed Content-transfer-encoding: 8bit X-Seq: 29414 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:     local zsh_case='(#i)'    # insensitive     # Depending on options: zsh_case=''     # Where input is some directory name, possibly incomplete and matches are looked for:     subdirs=( $1*(/N) )     subdirs=( (#i)$1*(/N) )     subdirs=( $~zsh_case$1*(/N) ) # This works: but tilde must follow first dollar sign The first two seem intuitive,  but the 3d, what does the tilde really do?  It has to be there, but one might expect '$zsh_case' to just substitute and all's well.  I used to understand this, I remember Roman explaining it, but I can't remember and my notes are sketchy.  The tilde turns globing into pattern matching, yes? But '(#i)' works if literal, it's not mistaken for a glob pattern so why should the use of a variable change anything?  Again, pardon, I used to know this.