FSDB

File System Database:

  Download:     fsdb-0.5.tgz  (Includes embedded documentation.)
  
  Docs on line: doc/api/index.html

Update: The latest version of FSDB is available using gem install fsdb or as a tgz. See the new web site at:

http://fsdb.rubyforge.org

Downloads at:

http://rubyforge.org/projects/fsdb