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Re: setting env variables


From: Ian Mondragon
Subject: Re: setting env variables
Date: Mon, 29 Jan 2001 18:40:06 -0500
User-agent: Mutt/1.2.5i

all -

thank you!  everybody's input was much needed and appreciated.

helge: i was starting to do something exactly like what you recommend below...
but after the overwhelming (and well deserved, i might add :-) call to reality
that i'm an utter bonehead [i've never claimed to be a shell hacker/guru by any
stretch of the imagination...can you tell?], i came to an even greater
realization: that this whole "gshell" idea on it's *own* is fruitless.  i think
a better thing to do would be to combine this idea - a *working* version <grin>
- with the TermConfig app i've almost got finished.  seems like that would be
the logical thing to do in the first place.

again, thanks everybody.

-ian mondragon


===> Helge Hess <address@hidden> [01/29/01 05:52]:
> Sungjin Chun wrote:
> > Setting parent shell's envronmental variable
> > is possible?
> 
> Of course you can't. The approach of Ian simply won't work. BTW: you
> don't need to use putenv if you use NSTask to fork your programs. Ian's
> usage of putenv() is probably only due to the above misconception.
> 
> The environment variables need to be set in the shell, not in a program
> forked by the shell.
> One workaround would be to write an ObjC program which writes
> environment variables to stdout or a temporary file and is processed by
> a small bash/tcsh script. Eg your program could emit a file containing
> this:
> ---
> export blah='10'
> export blub='20'
> ...
> ---
> which is then 'source'd by the calling shell.
> 
> You could pass in $SHELL to select the proper set-environment syntax
> (export in sh, setenv in tcsh).
> 
> Greetings
>   Helge
> -- 
> SKYRIX Software AG  http://www.skyrix.com/
> Join the team:      http://www.skyrix.com/de/jobs/index.html
> 

-- 
@end

Ian Mondragon  - address@hidden
                 http://www.dragonhelix.org

FreeBSD - Objective-C - Python.



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