+my @to_check = ();
+
+if (-f '/var/lib/misc/thishost/last_update.trace') {
+ # New style check
+ push @to_check, '/var/lib/misc/thishost/last_update.trace';
+} else {
+ # Old style
+ push @to_check, qw{/var/lib/misc/thishost/passwd.tdb /var/lib/misc/passwd.db};
+}
+
+for $f (@to_check) {