The perhaps-even-lower-tech way to go is a "do" statement. Create a file in which you define all your vars (e.g., ".myapprc"):

$foo = "Foo";
@bar = qw/B a r/;
%blah = ( b => 'l', a => 'h' );
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Then, just "load it up" in your script:

#!/usr/bin/perl -w
use strict;

our($foo, @bar, %blah);
do "xyzrc" or die "xyzrc: $!\n";
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I use this quite a lot, usually with a little more error checking (see "perldoc -f do"), in CGI scripts that need to source external info (database/table names, etc.)