LevelDB is a very fast, persistent, in-process key-value store. Read more about it here: http://code.google.com/p/leveldb/. This gem contains Ruby bindings so that you can use it from your Ruby process. INSTALLATION gem install leveldb-ruby SYNOPSIS require 'rubygems' # on for ruby 1.8 require 'leveldb' ## make a new database db = LevelDB::DB.new "/tmp/asdf" ## getting and setting db.put "it", "works" # => "works" db.get "it" # => "works" db["hello"] = "there" # => "there" db["hello"] # => "there" db["nonexistent"] # => nil ## testing db.includes? "hello" # => true db.contains? "hello" # => true ## keys and values db.keys # => "it", "hello" db.values # => "there", "works" ## iterating db.each { |k, v| ... } db.map { |k, v| ... } db.each # => LevelDB::Iterator ## ranges db.each(:from => "a", :to => "b") # => LevelDB::Iterator db.each(:from => "a", :to => "b"). map { |k, v| ... } # etc... ## deleting db.delete "hello" # => "there" db.delete "hello" # => nil LICENSE Leveldb-ruby is available for your use under the terms of the New BSD License. See the LICENSE file for details. CREDIT This gem brought to you by William Morgan <http://masanjin.net/> and the following honorable contributors: - Rick Olson - byplayer - Yukio Goto - Johannes Holzfuß - Steve Wilhelm - Gabriel Ebner and by users like you. BUGS Please report bugs to https://github.com/wmorgan/leveldb-ruby/issues.