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Re: exec-path and PATH

From: Christoph Scholtes
Subject: Re: exec-path and PATH
Date: Sat, 19 Mar 2011 10:36:44 -0600
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (windows-nt)

Eli Zaretskii <address@hidden> writes:

> Maybe we should consider the possibility to automatically set PATH
> from exec-path each time Emacs invokes a subprocess, because this
> issue comes up time and again in gnu.emacs.help.

This would be helpful, I think.

Can we set PATH to exec-path for the duration of the shell
execution? IIRC, if you change the PATH in a cmd session it only applies to
that session. Is it possible to something similar here?

>> Maybe this is a silly question, but why are some of the programs invoked
>> different than others? 
> Because the shell has features ready for our use that would be a
> wasted effort to re-implement in Lisp or C.  E.g., complex
> redirection, pipes, etc.

That makes sense. Thanks.

>> PS: Here is a small docfix patch for process.c for review:
> This is obviously correct, so please commit it on the emacs-23
> branch.


> "PATH" is a literal name of an environment variable, that's why it is
> in caps.  But `exec-path' is spelled in lower case, so please don't
> up-case it here.  Also, please enclose in quotes, so it produces a
> link in Emacs.  I would even say
>   It is searched for in `exec-path' (which see).
> Thanks.

OK, I will change it.


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