ken@titan ~/tmp/pm_11150213_zip_dirtree
$ rm -rf a d

ken@titan ~/tmp/pm_11150213_zip_dirtree
$ mkdir -p a/b a/c d/e d/f/g

ken@titan ~/tmp/pm_11150213_zip_dirtree
$ for dir in a a/b a/c d d/e d/f d/f/g; do > $dir/x00; > $dir/y; > $dir/z01; done