/usr/ is in ruby-httpclient 2.3.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/httpclient.rb
/usr/lib/ruby/vendor_ruby/hexdump.rb
/usr/lib/ruby/vendor_ruby/http-access2.rb
/usr/lib/ruby/vendor_ruby/httpclient/
/usr/lib/ruby/vendor_ruby/httpclient/include_client.rb
/usr/lib/ruby/vendor_ruby/httpclient/connection.rb
/usr/lib/ruby/vendor_ruby/httpclient/auth.rb
/usr/lib/ruby/vendor_ruby/httpclient/ssl_config.rb
/usr/lib/ruby/vendor_ruby/httpclient/cookie.rb
/usr/lib/ruby/vendor_ruby/httpclient/version.rb
/usr/lib/ruby/vendor_ruby/httpclient/util.rb
/usr/lib/ruby/vendor_ruby/httpclient/timeout.rb
/usr/lib/ruby/vendor_ruby/httpclient/session.rb
/usr/lib/ruby/vendor_ruby/httpclient/http.rb
/usr/lib/ruby/vendor_ruby/httpclient/cacert.p7s
/usr/lib/ruby/vendor_ruby/oauthclient.rb
/usr/lib/ruby/vendor_ruby/http-access2/
/usr/lib/ruby/vendor_ruby/http-access2/cookie.rb
/usr/lib/ruby/vendor_ruby/http-access2/http.rb
/usr/share/
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/httpclient.1.gz
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/httpclient-2.3.3.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/httpclient-2.3.3.gemspec
/usr/share/doc/
/usr/share/doc/ruby-httpclient/
/usr/share/doc/ruby-httpclient/copyright
/usr/share/doc/ruby-httpclient/examples/
/usr/share/doc/ruby-httpclient/examples/oauth_salesforce_10.rb
/usr/share/doc/ruby-httpclient/examples/howto.rb
/usr/share/doc/ruby-httpclient/examples/oauth_buzz.rb
/usr/share/doc/ruby-httpclient/examples/stream.rb
/usr/share/doc/ruby-httpclient/examples/dav.rb
/usr/share/doc/ruby-httpclient/examples/oauth_friendfeed.rb
/usr/share/doc/ruby-httpclient/examples/oauth_twitter.rb
/usr/share/doc/ruby-httpclient/examples/auth.rb
/usr/share/doc/ruby-httpclient/examples/wcat.rb
/usr/share/doc/ruby-httpclient/examples/cookie.rb
/usr/share/doc/ruby-httpclient/examples/ssl/
/usr/share/doc/ruby-httpclient/examples/ssl/1000cert.pem
/usr/share/doc/ruby-httpclient/examples/ssl/0key.pem
/usr/share/doc/ruby-httpclient/examples/ssl/webrick_httpsd.rb
/usr/share/doc/ruby-httpclient/examples/ssl/htdocs/
/usr/share/doc/ruby-httpclient/examples/ssl/htdocs/index.html
/usr/share/doc/ruby-httpclient/examples/ssl/ssl_client.rb
/usr/share/doc/ruby-httpclient/examples/ssl/0cert.pem
/usr/share/doc/ruby-httpclient/examples/ssl/1000key.pem
/usr/share/doc/ruby-httpclient/examples/async.rb
/usr/share/doc/ruby-httpclient/examples/thread.rb
/usr/share/doc/ruby-httpclient/changelog.Debian.gz
/usr/bin/
/usr/bin/httpclient