logger.rb in narou-1.5.8

- old
+ new

@@ -27,9 +27,17 @@
 
   def silent
     @is_silent
   end
 
+  def silence(&block)
+    raise "need a block" unless block
+    tmp = self.silent
+    self.silent = true
+    block.call
+    self.silent = tmp
+  end
+
   def strip_color(str)
     if $disable_color
       str
     else
       str.gsub(/(?:\e\[\d*[a-zA-Z])+/, "")