Re: ksh Emulation Not Clearing Envariables

Re: ksh Emulation Not Clearing Envariables

[Chris Jepeway]

>
> [It's almost time to move this to zsh-workers.]
Done.

> "Variable assignments specified with" refers to this:
>
>> It's outside, put into the environment before the [built-in] is  
>> called.
Thanks.  Chet & the spec have set me straight, here, too.
>
> E.g.
>
> 	CDPATH=
> 	CDPATH=/tmp cd foo
> 	echo $CDPATH
>
> should output "/tmp", because "cd" is a special built-in.
Just to be silly, I'll point out that "cd" doesn't
appear on the list of special built-ins at

	http://www.opengroup.org/onlinepubs/009695399/idx/sbi.html

which is referenced from the section describing the sbi's at

	http://www.opengroup.org/onlinepubs/009695399/utilities/ 
xcu_chap02.html#tag_02_14
	
An oversight?

> Bart Shaefer
Chris.

Re: ksh Emulation Not Clearing Envariables

[Bart Schaefer]

On Tue, 11 May 2004, Chris Jepeway wrote:

>[I wrote:]
> > 	CDPATH=/tmp cd foo
> > 	echo $CDPATH
> >
> > should output "/tmp", because "cd" is a special built-in.
> Just to be silly, I'll point out that "cd" doesn't
> appear on the list of special built-ins
> 	
> An oversight?

Yes, on my part.  I didn't bother to check the list, I just picked a 
builtin that pays attention to an environment variable.