#!/usr/pkg/bin/perl

=begin metadata

Name: printenv
Description: display the environment
Author: Randy Yarger, randy.yarger@nextel.com
License: perl

=end metadata

=cut


use strict;

my ($VERSION) = '1.3';

my $rc = 0;
my $arg = shift;
if (defined $arg) {
    if (exists $ENV{$arg}) {
        print $ENV{$arg}, "\n";
    } else {
        $rc = 1;
    }
} else {
    while (my ($key, $value) = each(%ENV)) {
        print "$key=$value\n";
    }
}
exit $rc;

__END__

=pod

=head1 NAME

printenv - Display the environment

=head1 SYNOPSIS

printenv [name]

=head1 DESCRIPTION

printenv displays the current environment. If an argument is supplied, only the
value of that variable is displayed.

=head1 BUGS

I<printenv> has no known bugs.

=head1 AUTHOR

The Perl implementation of I<printenv>
was written by Randy Yarger, I<randy.yarger@nextel.com>.

=head1 COPYRIGHT and LICENSE

This program is copyright by Randy Yarger 1999.

This program is free and open software. You may use, modify, distribute
and sell this program (and any modified variants) in any way you wish,
provided you do not restrict others to do the same.

=cut


