my %perfect;
my %seen;
+print "# where $where\n";
+
setgrent();
+
while (<GR>) {
chomp;
# LIMIT -1 so that groups with no users don't fall off
endgrent();
+print "# max = $max, n = $n, perfect = ", scalar keys %perfect, "\n";
+
if (keys %perfect == 0) {
$max++;
print <<EOEX;