/usr/ is in ruby-thor 0.19.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/bin/
/usr/bin/thor
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/thor/
/usr/lib/ruby/vendor_ruby/thor/actions/
/usr/lib/ruby/vendor_ruby/thor/actions/create_file.rb
/usr/lib/ruby/vendor_ruby/thor/actions/create_link.rb
/usr/lib/ruby/vendor_ruby/thor/actions/directory.rb
/usr/lib/ruby/vendor_ruby/thor/actions/empty_directory.rb
/usr/lib/ruby/vendor_ruby/thor/actions/file_manipulation.rb
/usr/lib/ruby/vendor_ruby/thor/actions/inject_into_file.rb
/usr/lib/ruby/vendor_ruby/thor/actions.rb
/usr/lib/ruby/vendor_ruby/thor/base.rb
/usr/lib/ruby/vendor_ruby/thor/command.rb
/usr/lib/ruby/vendor_ruby/thor/core_ext/
/usr/share/rubygems-integration/all/
/usr/lib/ruby/vendor_ruby/thor/core_ext/hash_with_indifferent_access.rb
/usr/lib/ruby/vendor_ruby/thor/core_ext/io_binary_read.rb
/usr/lib/ruby/vendor_ruby/thor/core_ext/ordered_hash.rb
/usr/lib/ruby/vendor_ruby/thor/error.rb
/usr/lib/ruby/vendor_ruby/thor/group.rb
/usr/lib/ruby/vendor_ruby/thor/invocation.rb
/usr/lib/ruby/vendor_ruby/thor/line_editor/
/usr/lib/ruby/vendor_ruby/thor/line_editor/basic.rb
/usr/lib/ruby/vendor_ruby/thor/line_editor/readline.rb
/usr/lib/ruby/vendor_ruby/thor/line_editor.rb
/usr/lib/ruby/vendor_ruby/thor/parser/
/usr/lib/ruby/vendor_ruby/thor/parser/argument.rb
/usr/lib/ruby/vendor_ruby/thor/parser/arguments.rb
/usr/lib/ruby/vendor_ruby/thor/parser/option.rb
/usr/lib/ruby/vendor_ruby/thor/parser/options.rb
/usr/lib/ruby/vendor_ruby/thor/parser.rb
/usr/lib/ruby/vendor_ruby/thor/rake_compat.rb
/usr/lib/ruby/vendor_ruby/thor/runner.rb
/usr/lib/ruby/vendor_ruby/thor/shell/
/usr/lib/ruby/vendor_ruby/thor/shell/basic.rb
/usr/lib/ruby/vendor_ruby/thor/shell/color.rb
/usr/lib/ruby/vendor_ruby/thor/shell/html.rb
/usr/lib/ruby/vendor_ruby/thor/shell.rb
/usr/lib/ruby/vendor_ruby/thor/util.rb
/usr/lib/ruby/vendor_ruby/thor/version.rb
/usr/lib/ruby/vendor_ruby/thor.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-thor/
/usr/share/doc/ruby-thor/README.md
/usr/share/doc/ruby-thor/changelog.Debian.gz
/usr/share/doc/ruby-thor/changelog.gz
/usr/share/doc/ruby-thor/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/thor.1.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/thor-0.19.1.gemspec