diff --git a/src/main/scala/util/FileUtil.scala b/src/main/scala/util/FileUtil.scala
index 0f6103b..1386a05 100644
--- a/src/main/scala/util/FileUtil.scala
+++ b/src/main/scala/util/FileUtil.scala
@@ -60,4 +60,14 @@
       case _ => ""
     }
 
-}
\ No newline at end of file
+  def withTmpDir[A](dir: File)(action: File => A): A = {
+    if(dir.exists()){
+      FileUtils.deleteDirectory(dir)
+    }
+    try{
+      action(dir)
+    }finally{
+      FileUtils.deleteDirectory(dir)
+    }
+  }
+}