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Fri, 20 May 2022 23:28:51 -0700 (PDT) MIME-Version: 1.0 From: Zach Riggle Date: Sat, 21 May 2022 01:28:40 -0500 Message-ID: Subject: Command wrappers in $PATH, and re-executing the "correct" value To: Zsh Users Content-Type: multipart/alternative; boundary="0000000000006a355705df7fb87e" X-Seq: 27775 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: --0000000000006a355705df7fb87e Content-Type: text/plain; charset="UTF-8" I find that very frequently I write a wrapper for some CLI tool, say "foobar". Let's say lives at e.g. /usr/local/bin/foobar, and $path is ( ... ~/bin ... /usr/local/bin ). I have a wrapper script ~/bin/foobar, which will be invoked for the command "foobar". What my wrapper script does is immaterial, but it eventually executes the /usr/local/bin/foobar with some set of arguments. As best I can tell, there are three ways to make this work neatly: - Implement "my" foobar as a function, and use "command foobar" - How do I make this an autoloadable module, which doesn't need to use e.g. "autoload foobar && foobar" - Remove ~/bin from $path, and add it to the end - This might break other things where system binaries take over - Some cool tricks with /usr/bin/env and such I haven't thought of I've already adopted autoloadable functions via $fpath and using "command foobar" inside the function, but I was curious if there's another way. I expect that removing ${0:h} and ${0:A:h} from $path are the most obvious answers, but I didn't know if there's anything easier. *Zach Riggle* --0000000000006a355705df7fb87e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I find that very frequently I write a wrapper for some CLI= tool, say "foobar".

Let's say lives at e.= g. /usr/local/bin/foobar, and $path is ( ... ~/bin ... /usr/local/bin ).

I have a wrapper script ~/bin/foobar, which will be = invoked=C2=A0for the command "foobar".=C2=A0 What my wrapper scri= pt does is immaterial, but it eventually executes the /usr/local/bin/foobar= with some set of arguments.

As best I can tell, t= here are three ways to make this work neatly:
  • Implement &= quot;my" foobar as a function, and use "command foobar"
    • =
    • How do I make this an autoloadable module, which doesn't need t= o use e.g.
      "autoload foobar && foobar"
  • Re= move ~/bin from $path, and add it to the end
    • This might break o= ther things where system binaries take over
  • Some cool tricks w= ith /usr/bin/env and such I haven't thought of
I've a= lready adopted autoloadable functions via $fpath and using "command fo= obar" inside the function, but I was curious if there's another wa= y.=C2=A0 I expect that removing ${0:h} and ${0:A:h} from $path are the most= obvious answers, but I didn't know if there's anything easier.

Z= ach Riggle
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