uppercase inheritance

uppercase inheritance

[Norman.Azadian]

I've tried this under version 3.1.6 (on HP-UX version 11.0):

	= typeset -u -x aaa=bbb
	= echo $aaa
	BBB
	= zsh
	= echo $aaa
	bbb
	=

Am I missing something, or has ZSH neglected to pass on the uppercase
property to the subshell?  I get the same results when the HP posix sh is
the subshell.  When I do the entire experiment with sh, I get the expected
results ($aaa is always BBB).

I  wasn't able to find a buglist, so I'm noting this here.  If there is a
buglist, please point me at it.  Thanks.

NHA
norman.azadian@swisscom.com

Re: uppercase inheritance

[Nemeth Ervin]

>>>>> Norman Azadian writes:

> I've tried this under version 3.1.6 (on HP-UX version 11.0):
> 	= typeset -u -x aaa=bbb
> 	= echo $aaa
> 	BBB
> 	= zsh
> 	= echo $aaa
> 	bbb
> 	=

Yes, I had the same problems, and though I'm not a zsh-developer, I think I
know why this happens: typeset automatically localizes your variable, and at
least in 3.0.x I haven't found any workaround for this problem.

-- 
  ____                 ____________________________________________________
 /____| NEMETH, ERVIN |____________________________________________________|
//	< airwin @ inf.bme.hu >		http://www.inf.bme.hu/~airwin
||
||	"Nonsense.  All you have to do is say 'Engage'"
||					-- Patrick Stewart about warp theory

Re: uppercase inheritance

[Dan Nelson]

In the last episode (Dec 10), Norman.Azadian@swisscom.com said:
> I've tried this under version 3.1.6 (on HP-UX version 11.0):
> 
> 	= typeset -u -x aaa=bbb
> 	= echo $aaa
> 	BBB
> 	= zsh
> 	= echo $aaa
> 	bbb
> 	=
> 
> Am I missing something, or has ZSH neglected to pass on the uppercase
> property to the subshell?  I get the same results when the HP posix
> sh is the subshell.  When I do the entire experiment with sh, I get
> the expected results ($aaa is always BBB).

There's no way zsh can pass 'typeset' options to subshells, since all
it can pass are the variable names and contents via "char **envp".  It
looks like zsh leaves the variable as-is, and only uppercases it for
display.  Sounds like a zsh bug.

-- 
	Dan Nelson
	dnelson@emsphone.com