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Re: Tips/advice for installing latest version of fzf?

From Greg Wooledge <greg@wooledge.org>
Newsgroups linux.debian.user
Subject Re: Tips/advice for installing latest version of fzf?
Date 2021-08-31 20:50 +0200
Message-ID <CSgZA-7lF-7@gated-at.bofh.it> (permalink)
References (5 earlier) <CSdp1-53E-19@gated-at.bofh.it> <CSdyF-5mn-5@gated-at.bofh.it> <CSdIm-5pC-7@gated-at.bofh.it> <CSeuJ-5Vo-3@gated-at.bofh.it> <CSgGd-7fl-11@gated-at.bofh.it>
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On Tue, Aug 31, 2021 at 02:20:12PM -0400, Steve Dondley wrote:
> Ok, it is there after all, as a built-in. I was mindlessly trying "sudo hash
> -d fzf". I guess trying with sudo doesn't work.
> 
> "sudo which hash" shows nothing. Not sure whey.

sudo is an external program, which launches other external programs.

When you type "sudo which hash", your shell (zsh) forks a child, and
that child executes "sudo".  sudo does its authentication/authorization
dance, and then executes "which hash", looking for an external command
in $PATH.  It will find /usr/bin/which, and it will run that.

So effectively, you're running sudo /usr/bin/which hash.

/usr/bin/which, being an external program, has no concept of shell
builtins.  It can only look for other external programs.  And there is
no program named hash.  Only shell builtins.

You would get a similar non-answer if you ran "/usr/bin/which hash"
in your shell.  The sudo part doesn't change anything, since there are
no directories in $PATH that require superuser privileges to search.
At least, there shouldn't be.

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Thread

Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 15:20 +0200
  Re: Tips/advice for installing latest version of fzf? Roberto C. Sánchez <roberto@debian.org> - 2021-08-31 15:50 +0200
    Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 16:40 +0200
      Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 16:50 +0200
        Re: Tips/advice for installing latest version of fzf? Greg Wooledge <greg@wooledge.org> - 2021-08-31 16:50 +0200
          Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 17:00 +0200
            Re: Tips/advice for installing latest version of fzf? The Wanderer <wanderer@fastmail.fm> - 2021-08-31 17:10 +0200
              Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 17:20 +0200
                Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 17:40 +0200
                Re: Tips/advice for installing latest version of fzf? Greg Wooledge <greg@wooledge.org> - 2021-08-31 17:40 +0200
                Re: Tips/advice for installing latest version of fzf? <tomas@tuxteam.de> - 2021-08-31 18:10 +0200
                Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 20:30 +0200
                Re: Tips/advice for installing latest version of fzf? Greg Wooledge <greg@wooledge.org> - 2021-08-31 20:50 +0200
                Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 23:30 +0200
            Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 17:10 +0200
            Re: Tips/advice for installing latest version of fzf? Greg Wooledge <greg@wooledge.org> - 2021-08-31 17:40 +0200
              Re: Tips/advice for installing latest version of fzf? Steve Dondley <s@dondley.com> - 2021-08-31 20:30 +0200
              Re: Tips/advice for installing latest version of fzf? Richard Hector <richard@walnut.gen.nz> - 2021-09-04 11:30 +0200
            Re: Tips/advice for installing latest version of fzf? Anssi Saari <as@sci.fi> - 2021-09-01 12:20 +0200

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