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Re: tramp and executable-find

From: Michael Albinus
Subject: Re: tramp and executable-find
Date: Sat, 20 Jun 2020 21:14:09 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

yyoncho <yyoncho@gmail.com> writes:

> Here it is an example:
> Copy ls from /bin/ and name it lss.
> Then:
> ;; works 
> (let ((default-directory "<remote-path>"))
>   (executable-find "lss" 'remote)) 
> ;; does not work
> (let ((default-directory "<remote-path>"))
>   (executable-find "/bin/lss" 'remote))

But this second example doesn't make sense. You want to know the path,
where the executable "lss" is located. Why do you want to give an
absolute file name as argument?

The docstring of executable-find says "Search for COMMAND in ‘exec-path’".
A command is a command, and not an absolute file name.

*If* you want to use an absolute file name, you would need to give it
also to the command, like

(let ((default-directory "<remote-path>"))
  (executable-find "<remote identification>/bin/lss" 'remote))

where <remote identification> is something like /ssh:user@host: - you
see that this doesn't make sense. Search for "lss", that's it, as you
have shown with your first example.

> Thanks,
> Ivan

Best regards, Michael.

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