Date: Mon, 13 Apr 1998 13:51:49 -0700 From: Leonard <leonardc9@usa.net> To: Bruce Albrecht <bruce@zuhause.mn.org> Cc: questions@FreeBSD.ORG Subject: Re: Setting shell environment vars in perl Message-ID: <3.0.5.32.19980413135149.007cb630@pop.slip.net> In-Reply-To: <199804130510.AAA14499@zuhause.mn.org> References: <3.0.5.32.19980412125035.007b7e30@pop.slip.net> <3.0.5.32.19980412125035.007b7e30@pop.slip.net>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 At 12:10 AM 4/13/98 -0500, you wrote: What's interesting is that I was trying to set the home directory in a sub-shell. The problem for me is that the system runs perl scripts as Nobody rather than my user account, and I needed to set HOME so that a program could run. Anyways, I set up the script on another FreeBSD system where httpd is configured differently and everything seems fine. Leonard >Setting environmental variables in perl scripts do not change the >environment variables in the shell that invoked it, but any children >of the perl script (i.e., something that uses fork, system, exec, >backticks, pipes in open statements) will have the environment >variables you set in the script. This is not a perl limitation, it's >the way environment variables work on all Unix operating systems. > >The closest you can get to having a perl script set environment >variables for your shell would be to do something like > eval `perlscript` >and have perlscript output something like > VAR=value; export VAR (bourne, bash, ksh) >or > setenv VAR value (csh, tcsh) > > > -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 5.5.3 for non-commercial use <http://www.pgp.com>; iQA/AwUBNTJ64+AvLUJUxjQXEQIyOwCfXHcLf7zNEy0bN/7yXPwgt6pX5ZMAoND/ gB9W8tLaFo2WZdg0XgbSYy8i =jdVF -----END PGP SIGNATURE----- -- Support the Blue Ribbon Campaign for free speech online () http://www.eff.org/blueribbon.html /\ "Those who will not reason perish in the act. Those who will not act, perish for that reason." - W. H. Auden To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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