string.rb in ronin-0.1.1

- old
+ new

@@ -37,18 +37,23 @@
   def format_chars(options={},&block)
     included = (options[:included] || Ronin::Chars.all)
     excluded = (options[:excluded] || [])
 
     formatted = included - excluded
+    formatted = ''
 
-    return self.scan(/./m).map { |c|
+    self.each_byte do |b|
+      c = b.chr
+
       if formatted.include?(c)
-        block.call(c)
+        formatted_chars << block.call(c)
       else
-        c
+        formatted_chars << c
       end
-    }.join
+    end
+
+    return formatted
   end
 
   #
   # Creates a new String by passing each byte to the specified _block_
   # using the given _options_.
@@ -79,10 +84,10 @@
   #                         case changed; defaults to 0.5.
   #
   # "get out your checkbook".rand_case
   # # => "gEt Out YOur CHEckbook"
   #
-  def rand_case(options={})
+  def random_case(options={})
     prob = (options[:probability] || 0.5)
 
     format_chars(options) do |c|
       if rand < prob
         c.swapcase 