MV Func file_size()

tools/db/import-md5-list

@@ -144,15 +144,6 @@ function db_query() {
   echo $@ | mysql $args
 }
 
-# file_size <path> -> (du -b)/1024  [Kb]
-function file_size() {
-    if [ -f "$1" ]; then
-        echo $(($(du -b "$1" | cut -f 1)/1024))
-    else
-        echo 0
-    fi
-}
-
 case "$mode" in
   "a")	#in_add
     md5_in_add