package Private_Stuff;

use strict;
use CGI::Carp qw(cluck); ### for log_error subroutine
use Time::Local; ### for datetime_to_epoch_secs subroutine

use vars qw($VERSION
            @ISA
            @EXPORT
            @EXPORT_OK
            $db_name);
require Exporter;

@ISA = qw(Exporter AutoLoader);
# Items to export into callers namespace by default. Note: do not expo
+rt
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
@EXPORT = qw();
@EXPORT_OK = qw();

$VERSION = '0.01';

$db_name = "Some_Database_Name";

1; ### end of module

------------------------------------

test.pl
-------
  use Private_Stuff;
  print "The database name is ", $Private_Stuff::db_name, "\n";
[download]

There are other ways to do that - you should read up on creating and using modules by doing

   perldoc perlmodlib
[download]

at a command prompt.