multi_logger.rb in fusuma-2.4.0

- old
+ new

@@ -17,9 +17,10 @@
 
     def initialize
       filepath = self.class.instance_variable_get('@filepath')
       if filepath
         logfile = File.new(filepath, 'a')
+        logfile.sync = true
         super(logfile)
         $stderr = logfile
       else
         super($stdout)
       end