/usr/lib/ is in prime 1.0.0.1-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/
/usr/lib/ruby/1.8/
/usr/lib/ruby/1.8/prime/
/usr/lib/ruby/1.8/prime/engine/
/usr/lib/ruby/1.8/prime/engine/engine.rb
/usr/lib/ruby/1.8/prime/engine/engine-sary.rb
/usr/lib/ruby/1.8/prime/engine/engine-alphabet.rb
/usr/lib/ruby/1.8/prime/engine/engine-basic.rb
/usr/lib/ruby/1.8/prime/engine/engine-personaldict.rb
/usr/lib/ruby/1.8/prime/engine/engine-userdict.rb
/usr/lib/ruby/1.8/prime/engine/engine-userdict2.rb
/usr/lib/ruby/1.8/prime/engine/engine-userdict2-lib.rb
/usr/lib/ruby/1.8/prime/engine/engine-number.rb
/usr/lib/ruby/1.8/prime/engine/engine-adambnc.rb
/usr/lib/ruby/1.8/prime/engine/engine-english.rb
/usr/lib/ruby/1.8/prime/engine/engine-userdict2-en.rb
/usr/lib/ruby/1.8/prime/engine/engine-network.rb
/usr/lib/ruby/1.8/prime/engine/engine-userdict2-static.rb
/usr/lib/ruby/1.8/prime/grammar/
/usr/lib/ruby/1.8/prime/grammar/grammar.rb
/usr/lib/ruby/1.8/prime/makedict/
/usr/lib/ruby/1.8/prime/makedict/prime-sary.rb
/usr/lib/ruby/1.8/prime/makedict/userdict.rb
/usr/lib/ruby/1.8/prime/makedict/basicdict.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-skkdic.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-pubdic.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-cannadic.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-adambnc.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-wordnet.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-wordlist.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-text.rb
/usr/lib/ruby/1.8/prime/makedict/dictformat-usage.rb
/usr/lib/ruby/1.8/prime/prime.rb
/usr/lib/ruby/1.8/prime/prime2.rb
/usr/lib/ruby/1.8/prime/prime-japanese.rb
/usr/lib/ruby/1.8/prime/prime-mixed.rb
/usr/lib/ruby/1.8/prime/protocol.rb
/usr/lib/ruby/1.8/prime/server.rb
/usr/lib/ruby/1.8/prime/session.rb
/usr/lib/ruby/1.8/prime/taiyaki.rb
/usr/lib/ruby/1.8/prime/array-agent.rb
/usr/lib/ruby/1.8/prime/session-japanese.rb
/usr/lib/ruby/1.8/prime/session-english.rb
/usr/lib/ruby/1.8/prime/session-prime08.rb
/usr/lib/ruby/1.8/prime/prime08.rb
/usr/lib/ruby/1.8/prime/composer.rb
/usr/lib/ruby/1.8/prime/prime-config.rb
/usr/lib/pkgconfig/
/usr/lib/pkgconfig/prime.pc