diff --git a/AUTHOR b/AUTHORS
similarity index 100%
rename from AUTHOR
rename to AUTHORS
diff --git a/Rakefile b/Rakefile
index 5a09c38..e1ade84 100644
--- a/Rakefile
+++ b/Rakefile
@@ -10,8 +10,8 @@ begin
     gem.email = "Denis.Knauf@gmail.com"
     gem.homepage = "http://github.com/DenisKnauf/logan"
     gem.authors = ["Denis Knauf"]
-    gem.files = ["README", "VERSION", "lib/**/*.rb", "test/**/*.rb"]
-    gem.require_paths = ["lib"]
+    gem.files = %w[AUTHORS README.md VERSION lib/**/*.rb test/**/*.rb]
+    gem.require_paths = %w[lib]
   end
   Jeweler::GemcutterTasks.new
 rescue LoadError
diff --git a/bin/box2.rb b/bin/box2.rb
new file mode 100755
index 0000000..dd02b06
--- /dev/null
+++ b/bin/box2.rb
@@ -0,0 +1,87 @@
+#!/usr/bin/ruby
+
+require 'sbdb'
+
+module Sandbox
+	def self.run *paras, &exe
+		exe = paras.shift  unless exe
+		box = paras.shift || Class
+		Thread.new do
+			$SAFE = 4
+			this = box.new *paras
+			begin
+				[:value, this.instance_eval( exe, "Sandbox")]
+			rescue Object
+				[:exception, $!]
+			end
+		end.value
+	end
+
+	def self.create_class *paras, &exe
+		exe = paras.shift  unless exe
+		run Class, *paras do
+			eval exe
+			self
+		end
+	end
+	alias new_class create_class
+end
+
+class Box
+	attr_reader :_, :db
+
+	def initialize db, _
+		@_, @db = _, db
+	end
+
+	def put( key, val)  @db[key] = val  end
+	def get( key)  @db[key]  end
+end
+
+class ClassBuilder
+end
+
+class Emit
+	def initialize( db)  @db = db  end
+	def emit( key, val)  @db[key] = val  end
+	def inspect()  "#<%s:0x%016x>" % [ self.class, self.object_id ]  end
+end
+
+class Persistent < Emit
+	include Enumerable
+	def initialize db, cursor
+		super db
+		@cursor = cursor
+	end
+	alias put emit
+	alias []= emit
+	def get( key)  @db[key]  end
+	alias [] get
+	alias fetch get
+	def each &exe
+		exe ? @cursor.each( &exe) : Enumerator.new( self, :each)
+	end
+	def to_hash
+		rh = {}
+		each {|key, val| rh[ key] = val }
+		rh
+	end
+end
+
+_ = nil
+Dir.mkdir 'logs' rescue Errno::EEXIST
+SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
+	db = logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
+	db = Persistent.new db, db.cursor
+	$stdout.print "(0)$ "
+	STDIN.each_with_index do |line, i|
+		ret = Sandbox.run line, Box, db, _
+		if :value == ret.first
+			_ = ret.last
+			$stdout.puts "=> #{ret.last.inspect}"
+		else
+			$stdout.puts ret.last.inspect
+		end
+		$stdout.print "(#{i+1})$ "
+	end
+end
diff --git a/bin/box3.rb b/bin/box3.rb
new file mode 100755
index 0000000..beae5a7
--- /dev/null
+++ b/bin/box3.rb
@@ -0,0 +1,22 @@
+#!/usr/bin/ruby
+
+require 'sbdb'
+require 'safebox'
+
+_ = nil
+Dir.mkdir 'logs' rescue Errno::EEXIST
+SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
+	db = logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
+	db = Safebox::Persistent.new db, db.cursor
+	$stdout.print "(0)$ "
+	STDIN.each_with_index do |line, i|
+		ret = Safebox.run line, Safebox::Box, db, _
+		if :value == ret.first
+			_ = ret.last
+			$stdout.puts "=> #{ret.last.inspect}"
+		else
+			$stdout.puts ret.last.inspect
+		end
+		$stdout.print "(#{i+1})$ "
+	end
+end
diff --git a/bin/loganinc b/bin/loganinc
index 764095c..beae5a7 100755
--- a/bin/loganinc
+++ b/bin/loganinc
@@ -1,58 +1,22 @@
 #!/usr/bin/ruby
 
 require 'sbdb'
+require 'safebox'
 
-# Secure Worker.  Unsafe code in a sandbox.
-class Worker
-	class Box
-		def self.start e, c
-			Thread.new c, &new( e).method( :run)
-		end
-
-		def run
-			this.untaint
-			e.taint
-			$SAFE = 4
-		end
-
-		def initialize e
-			@emit = e
-		end
-
-		def emit f, k, v
-			@emit.emit f, k, v
-		end
-	end
-
-	def emit f, k, v
-		@out.push [f, k, v]
-	end
-
-	def initalize i, o
-		@in, @out, @funcs = i, o, {}
-		super method(:run)
-	end
-
-	def run
-		$SAFE = 3
-		@in.each do |o|
-			@funcs[:]
-		end
-	end
-end
-
-SBDB::Env.new 'conf' do |conf|
-	SBDB::Env.new 'logs' do |logs|
-		SBDB::Env.new 'persist' do |persist|
-			test = cache[ 'test']
-			while line = logs[ 'newids'].get( nil, "\0\0\0\0", nil, SBDB::CONSUME_WAIT)
-				type, obj = line.unpack 'Na*'
-				case type
-				when 11
-					sid, log = obj.unpack 'Na*'
-					parser = conf[ 'sids.cnf', 'parser'][sid]
-				end
-			end
+_ = nil
+Dir.mkdir 'logs' rescue Errno::EEXIST
+SBDB::Env.new 'logs', SBDB::CREATE | SBDB::Env::INIT_TRANSACTION do |logs|
+	db = logs['test', :type => SBDB::Btree, :flags => SBDB::CREATE]
+	db = Safebox::Persistent.new db, db.cursor
+	$stdout.print "(0)$ "
+	STDIN.each_with_index do |line, i|
+		ret = Safebox.run line, Safebox::Box, db, _
+		if :value == ret.first
+			_ = ret.last
+			$stdout.puts "=> #{ret.last.inspect}"
+		else
+			$stdout.puts ret.last.inspect
 		end
+		$stdout.print "(#{i+1})$ "
 	end
 end