(for i in `cat META.yml | perl -MYAML -e 'print "$_\n"for(keys %{Load(join"",<>)->{requires}})'`; do echo $i; fgrep $i lib -R | wc -l; done) | egrep -B1 '^0$' | grep ::|less
(for i in `cat META.yml | perl -MYAML -e 'print "$_\n"for(keys %{Load(join"",<>)->{requires}})'`; do echo $i; fgrep $i lib -R | wc -l; done) | egrep -B1 '^0$' | grep ::|less