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Date:	Mon, 12 Feb 2001 11:47:02 -0500
From:	Chet Ramey <chet AT nike DOT INS DOT CWRU DOT Edu>
To:	cabbey AT bresnanlink DOT net
Subject:	RE: bash: setenv: command not found
Cc:	cygwin AT cygwin DOT com, chet AT po DOT cwru DOT edu
Reply-To:	chet AT po DOT cwru DOT edu
Message-ID:	<1010212164702.AA62809.SM@nike.INS.CWRU.Edu>
Read-Receipt-To:	chet AT po DOT CWRU DOT Edu
MIME-Version:	1.0
X-In-Reply-To:	Message from cabbey AT bresnanlink DOT net of Thu, 8 Feb 2001 21:40:25 -0600 (CST) (id <Pine DOT LNX DOT 4 DOT 21 DOT 0102082043390 DOT 24358-100000 AT tweedle DOT cabbey DOT net>)

> yep, I'm familiar with it:
> 
> foo=bar sets a local shell variable
> foo=  unsets a local shell variable

Not exactly.  It makes `foo' have a null value.  It's not the same thing.

> but where is "unexport"? how do I demote a process environment variable
> without removing it from the local shell?

Bash has `export -n'.  POSIX doesn't.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    chet AT po DOT CWRU DOT Edu    http://cnswww.cns.cwru.edu/~chet/

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