From: "Stuart D. Herring" <herring@lanl.gov>
Cc: Emacs Devel <emacs-devel@gnu.org>
Subject: Re: Relation between the value of shell-file-name and explicit-shell-file-name
Date: Wed, 13 Dec 2006 17:33:15 -0800 (PST) [thread overview]
Message-ID: <47727.128.165.123.18.1166059995.squirrel@webmail.lanl.gov> (raw)
In-Reply-To: <458084E3.6000707@student.lu.se>
> What is the relation between the values of these two variables? Could
> the doc strings please mention something about it? (Does
> explicit-shell-file-name override shell-file-name for explicitly
> requested shells? Are those the shells started with M-x shell? )
`explicit-shell-file-name' is only ever used by M-x shell. It does
(or explicit-shell-file-name
(getenv "ESHELL") shell-file-name)
which obviously prefers $ESHELL to `shell-file-name' and
`explicit-shell-file-name' to $ESHELL. Note that it was different in
Emacs 21:
(or explicit-shell-file-name
(getenv "ESHELL")
(getenv "SHELL")
"/bin/sh")
Here `shell-file-name' is absent. The idea is that e-s-f-n is the
"personal" shell and s-f-n is the "utility" shell used by such things as
M-! and (unless you customize `ediff-shell') M-x ediff.
What do you want added to e-s-f-n's doc string to clarify this?
Davis
--
This product is sold by volume, not by mass. If it appears too dense or
too sparse, it is because mass-energy conversion has occurred during
shipping.
next prev parent reply other threads:[~2006-12-14 1:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-13 22:55 Relation between the value of shell-file-name and explicit-shell-file-name Lennart Borgman
2006-12-14 1:33 ` Stuart D. Herring [this message]
2006-12-14 1:44 ` Lennart Borgman
2006-12-14 17:47 ` Richard Stallman
2006-12-14 18:01 ` Lennart Borgman
2006-12-15 21:25 ` Richard Stallman
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