diff --git a/tools/db/update-file-state b/tools/db/update-file-state
index 6d4fec2..f2c87c9 100644
--- a/tools/db/update-file-state
+++ b/tools/db/update-file-state
@@ -9,16 +9,28 @@
 { #set enviroemnt
   readonly TRUE=1      #like <stdbool.h>
   readonly FALSE=0     #like <stdbool.h>
-  readonly TTSYNC_EXIST=0
-  readonly TTSYNC_BACKUP=1
-  readonly TTSYNC_REMOTE=2
-  readonly TTSYNC_DEL=3
+  readonly TTSYNC_EXIST=0       #file exist local
+  readonly TTSYNC_BACKUP=1      #file exist local - backup exist
+  readonly TTSYNC_REMOTE=2      #file exists remote - not used jet
+  readonly TTSYNC_DEL=3         #local file deleted
   readonly globalconf="/etc/tt/global"
 }
 
 { #get options & args
   readonly mode=$(echo $1 | tr -d '-')
   moviedir="$1"
+  [ -z "$moviedir" ] && [ -f "$globalconf" ] && {					# if (no argument) and (globalconf exist)
+    if [ -z "$(grep "moviedir=" "$globalconf" )" ]; then			# and (moviedir is NOT in globalconf)
+      echo 'neither "movie folder" is set in global config nor given as argument'
+      exit 2
+    else															# and (moviedir is in globalconf)
+      moviedir="$(grep "moviedir=" "$globalconf" | cut -d '=' -f 2)"
+    fi
+  }
+  [ -d "$moviedir" ] || { echo "moviedir \"$moviedir\" do not exist"; exit 3; } # check moviedir
+  moviedir=""$(echo $moviedir | sed 's|/$||g')""
+  [ -z "$moviedir" ] && exit 255 #catch case moviedir="/"
+  readonly DATE=$(date '+%Y-%m-%d')
 }
 
 { #db
@@ -46,6 +58,17 @@ function main() {
   #cd to moviedir
   cd "$moviedir"
 
+  #erselle zwei dateilisten
+  list_tmp=$(mktemp -d)
+  db_query "SELECT CONCAT('$moviedir/', Folder, '/', Name) FROM File WHERE TTSync=$TTSYNC_EXIST OR TTSync=$TTSYNC_BACKUP;" > "$list_tmp/indb"
+  find "$moviedir" -type f > "$list_tmp/exist"
+
+  #find new files
+  grep -vf "$list_tmp/indb" "$list_tmp/exist" > "$list_tmp/new"
+
+  #all IDs wich an old check date:
+  #db_query "SELECT ID FROM File Where TTCheck < '$DATE' OR TTCheck IS NULL;"
+
   ## dateiliste erstellen die mit DB abgeglichen wird
 
   ## alle die keien DB.PATH eintrag haben -> file_add
@@ -110,7 +133,11 @@ function md5_out_del() {
 
 # file_size <path> -> (du -b)/1024  [Kb]
 function file_size() {
-  echo $(($(du -b "$1" | cut -f 1)/1024))
+  if [ -f "$1" ]; then
+    echo $(($(du -b "$1" | cut -f 1)/1024))
+  else
+    echo 0
+  fi
 }
 
 # db_query <query> -> result