/usr/share/ri/1.8/system/Dir/ is in ri1.8 1.8.7.352-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ri/1.8/system/Dir/%5b%5d-c.yaml
/usr/share/ri/1.8/system/Dir/cdesc-Dir.yaml
/usr/share/ri/1.8/system/Dir/chdir-c.yaml
/usr/share/ri/1.8/system/Dir/chroot-c.yaml
/usr/share/ri/1.8/system/Dir/close-i.yaml
/usr/share/ri/1.8/system/Dir/delete-c.yaml
/usr/share/ri/1.8/system/Dir/each-i.yaml
/usr/share/ri/1.8/system/Dir/entries-c.yaml
/usr/share/ri/1.8/system/Dir/foreach-c.yaml
/usr/share/ri/1.8/system/Dir/getwd-c.yaml
/usr/share/ri/1.8/system/Dir/glob-c.yaml
/usr/share/ri/1.8/system/Dir/inspect-i.yaml
/usr/share/ri/1.8/system/Dir/mkdir-c.yaml
/usr/share/ri/1.8/system/Dir/mktmpdir-c.yaml
/usr/share/ri/1.8/system/Dir/new-c.yaml
/usr/share/ri/1.8/system/Dir/open-c.yaml
/usr/share/ri/1.8/system/Dir/path-i.yaml
/usr/share/ri/1.8/system/Dir/pos%3d-i.yaml
/usr/share/ri/1.8/system/Dir/pos-i.yaml
/usr/share/ri/1.8/system/Dir/pwd-c.yaml
/usr/share/ri/1.8/system/Dir/read-i.yaml
/usr/share/ri/1.8/system/Dir/rewind-i.yaml
/usr/share/ri/1.8/system/Dir/rmdir-c.yaml
/usr/share/ri/1.8/system/Dir/seek-i.yaml
/usr/share/ri/1.8/system/Dir/tell-i.yaml
/usr/share/ri/1.8/system/Dir/tmpdir-c.yaml
/usr/share/ri/1.8/system/Dir/unlink-c.yaml