On Sat, Mar 17, 2018 at 09:05:37 +0700, Robert Elz wrote:
> Date: Sat, 17 Mar 2018 03:46:44 +0300
> From: Valery Ushakov <u...@stderr.spb.ru>
> Message-ID: <20180317004644.gh3...@pony.stderr.spb.ru>
>
> | That reminds me... We currently abuse ENVIRONMENT section to document
> | variables like PS1 or HISTSIZE which are quite obviously not
> | environment variables.
>
> Actually they are - those two particularly. In principle, essentially
> all shell variables are (potentially) environment variables - all they
> need to be is either in the environ when the shell starts, or be the
> subject of export (or set -a).
Exactly. And when all of them are, it kinda defeats the purpose of
them being in the ENVIRONMENT section. Like, CFLAGS is not an
"environment variable" just because
$ CFLAGS=-g make
is something that one would commonly use.
> But it is very common for PS1 and HISTSIZE to be imported from
> the environment, and exported again
I probably should have used RANDOM and SECONDS as my examples :)
-uwe
