sub ReadCfg
{
    my $file = $_[0];

    our $err;

    {   # Put config data into a separate namespace
        package CFG;

        # Process the contents of the config file
        my $rc = do($file);

        # Check for errors
        if ($@) {
            $::err = "ERROR: Failure compiling '$file' - $@";
        } elsif (! defined($rc)) {
            $::err = "ERROR: Failure reading '$file' - $!";
        } elsif (! $rc) {
            $::err = "ERROR: Failure processing '$file'";
        }
    }

    return ($err);
}

# Get our configuration information
if (my $err = ReadCfg('my_cfg.cfg')) {
    print(STDERR $err, "\n");
    exit(1);
}