lib/mutaconf.rb in mutaconf-0.0.5 vs lib/mutaconf.rb in mutaconf-0.0.6

@@ -1,11 +1,22 @@
 # encoding: UTF-8
 
 module Mutaconf
-  VERSION = '0.0.5'
+  VERSION = '0.0.6'
 
   def self.dsl *args
     DSL.new *args
+  end
+
+  def self.env *args
+    options = args.last.kind_of?(Hash) ? args.pop : {}
+    args.inject({}) do |memo,key|
+      env_key = options[:upcase] == false ? key.to_s : key.to_s.upcase
+      prefix = options[:prefix]
+      prefix = prefix.upcase if prefix and options[:upcase] != false
+      memo[key.to_sym] = ENV["#{prefix}#{env_key}"]
+      memo
+    end
   end
 
   def self.extract source, key
     if source.kind_of? Hash
       source[key.to_sym]