###
### read_config_default
###

## Chapter 2 section 1.4

sub read_config {
  my ($filename, $actions, $userparam) = @_;        
  open my($CF), $filename or return;  # Failure
  while (<$CF>) {
    chomp;
    my ($directive, $rest) = split /\s+/, $_, 2;
    my $action = $actions->{$directive} || $actions->{_DEFAULT_};
    if ($action) {
      $action->($directive, $rest, $actions, $userparam);
    } else {
      die "Unrecognized directive $directive on line $. of $filename; aborting";
    }
  }
  return 1;  # Success
}