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From: Marc van Dongen <dongen@cs.ucc.ie>
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Subject: Re: metapost not invoked? mpgraph.1 not created
Date: Wed, 21 Feb 2001 12:51:41 +0000
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Ed L Cashin (ecashin@coe.uga.edu) wrote:

: > it may well be that because it is not exported its value may be
: > /usr/local/bin
: 
: Usually some system-wide resource configuration ("rc") file has
: already exported the $PATH shell variable.  (It doesn't hurt to export
: it again, though.)

The point is, if people add things to the path *after* it is
exported or add thing to the path as part of a shell-script,
these additions will not be made known to subshells. You
*have* to export it again. 

Regards,

Marc