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Re: OLDPWD unset when bash starts

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From Chet Ramey <chet.ramey@case.edu>
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Subject Re: OLDPWD unset when bash starts
Date Thu, 26 Nov 2015 12:41:12 -0500
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On 11/18/15 2:44 PM, John Wiersba wrote:
> Why does bash clear OLDPWD when a child script is started?

Because a new shell does not have a `previous working directory'.  It's
supposed to be set by cd, and if you haven't executed cd, you don't have
one.

It seems reasonable to inherit OLDPWD if it names a directory, in the same
way that the shell inherits PWD if it names the current directory, so we'll
try that for the next bash version.

Chet
-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/

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Re: OLDPWD unset when bash starts Chet Ramey <chet.ramey@case.edu> - 2015-11-26 12:41 -0500

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