generate "${_}index.html" for '', 'ct/';
generate "$_/index.html" for grep {-d} <ct/*>;
for my $ct ('', <ct/*/>) {
generate "${ct}log/index.html";
generate "${_}index.html" for '', 'ct/';
generate "$_/index.html" for grep {-d} <ct/*>;
for my $ct ('', <ct/*/>) {
generate "${ct}log/index.html";