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#!/usr/bin/env ruby -KU

require "rubygems"
require "rufus/tokyo"

Rufus::Tokyo::Cabinet.open("data.tch") do |db|
  if db.size.zero?
    puts "Loading the database.  Rerun to read back the data."
    db[:one]      = 1
    db[:two]      = 2
    db["users:1"] = "James"
    db["users:2"] = "Ruby"
  else
    puts "Reading data."
    %w[ db[:one]
        db["users:2"]
        -
        db.keys
        db.keys(:prefix\ =>\ "users:")
        db.keys(:limit\ =>\ 2)
        -
        db.mget([:one,\ :two]) ].each do |command|
      puts(command == "-" ? "" : "#{command} = %p" % eval(command))
    end
  end
end