diff --git a/process/view_log.sh b/process/view_log.sh
index 7b7347f..8b75f6e 100755
--- a/process/view_log.sh
+++ b/process/view_log.sh
@@ -3,7 +3,11 @@
 cd `dirname $0`/..
 
 UN=$1
-if [ "$1" = "full" ]
+if [ "$1" = "clean" ]
+then
+    CMD=rm
+    shift
+elif [ "$1" = "full" ]
 then
     CMD=cat
     shift