sub read {
    my ($cpio, $file) = @_;
    
    my $IN;
    if (ref $file) {
	$IN = $file;
    } else {
	open($IN, '<', $file) or die "can't open $file: $!\n";
    }

    read_with_handler($cpio, $IN, sub { 
        my ($e) = @_;
	push @{$cpio->{list}}, $e;
    });