/usr/ is in ruby-charlock-holmes 0.7.3+dfsg-2build2.
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/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/ruby/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.3.0/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.3.0/charlock_holmes/
/usr/lib/x86_64-linux-gnu/ruby/vendor_ruby/2.3.0/charlock_holmes/charlock_holmes.so
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/charlock_holmes.rb
/usr/lib/ruby/vendor_ruby/charlock_holmes/
/usr/lib/ruby/vendor_ruby/charlock_holmes/string.rb
/usr/lib/ruby/vendor_ruby/charlock_holmes/encoding_detector.rb
/usr/lib/ruby/vendor_ruby/charlock_holmes/version.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/2.3.0/
/usr/share/rubygems-integration/2.3.0/specifications/
/usr/share/rubygems-integration/2.3.0/specifications/charlock_holmes-0.7.3.gemspec
/usr/share/doc/
/usr/share/doc/ruby-charlock-holmes/
/usr/share/doc/ruby-charlock-holmes/copyright
/usr/share/doc/ruby-charlock-holmes/changelog.Debian.gz