Path: utzoo!attcan!uunet!auspex!guy
From: guy@auspex.UUCP (Guy Harris)
Newsgroups: comp.unix.wizards
Subject: Re: Set parent env with csh script
Message-ID: <829@auspex.UUCP>
Date: 10 Jan 89 18:38:29 GMT
References: <174@v7fs1.UUCP> <431@visdc.UUCP>
Reply-To: guy@auspex.UUCP (Guy Harris)
Organization: Auspex Systems, Santa Clara
Lines: 11


 >> Is it possible for a subshell to change the calling shell's 
 >> environment?  How?
 >
 >You can use getenv(3C) from a C program to return the address of an
 >environment variable of the form name=value.  You can modify what is
 >stored at that location, but not with impunity.

This won't do anything about the copy of that environment variable (if
any) in the *parent* process of the process in which it's done, which is
what the guy wanted.