Add file count progress in images-indexer.sh script with filter option

scripts/shell/images-indexer.sh

@@ -199,12 +199,13 @@ if $filter_mode; then
   eval "feh --geometry 1200x1250+1308+28 --auto-zoom --scale-down $eval_string &"
 
   files_to_delete=()
-  for ((i = 0; i < ${#files[@]};)); do
+  files_count=${#files[@]}
+  for ((i = 0; i < files_count;)); do
     file="${files[$i]}"
     file="${file#./}"
 
     echo ""
-    echo "File: $file"
+    echo "($((i+1))/${files_count}) File: $file"
     echo -n "Should this file be deleted? (y/n): "
 
     confirm