here is sample output,

```
DIRS: [#<Pathname:/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0>, #<Pathname:/usr/local/var/rbenv/versions/2.1.0/bin>, "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/activemodel-3.2.17.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/activesupport-3.2.17.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/builder-3.0.4.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/i18n-0.6.9.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/multi_json-1.8.4.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info/rake-10.1.1.info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/build_info", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/cache", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/doc", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/extensions", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/gems", "/usr/local/var/rbenv/versions/2.1.0/lib/ruby/gems/2.1.0/specifications"]
```

should I remove to level dirs like gems, cache and specifications as well?