.

bin/auto_add_sub_folder.sh

@@ -1,5 +1,18 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
+# --- never exit silently (good for .desktop launch) ---
+on_error() {
+  local ec=$?
+  echo
+  echo -e "${WHITE_ON_RED} FEHLER ${NC} Script abgebrochen (Exit Code: $ec)"
+  echo -e "${WHITE_ON_GRAY} Letzter Befehl ${NC} ${BASH_COMMAND}"
+  echo -e "${WHITE_ON_GRAY} Ort           ${NC} ${BASH_SOURCE[1]}:${BASH_LINENO[0]}"
+  echo
+  read -n 1 -s -r -p "Press any key to exit"
+  exit "$ec"
+}
+trap on_error ERR
+
 shopt -s nullglob
 
 ############################################
@@ -424,7 +437,7 @@ build_sub_order_rank() {
     item="${item//[[:space:]]/}"
     [[ -z "$item" ]] && continue
     SUB_ORDER_RANK["$item"]=$i
-    ((i++))
+    ((i+=1))
   done
 }
 
@@ -596,12 +609,20 @@ process_root() {
   log "Found MKVs: ${#mkvs[@]} under $root"
   [[ ${#mkvs[@]} -eq 0 ]] && return 0
 
+  # ---- sort MKVs alphabetically (stable episode order) ----
+  IFS=$'\n' mkvs=($(printf '%s\n' "${mkvs[@]}" | LC_ALL=C sort))
+  unset IFS
+
+  dbg "MKV Reihenfolge:"
+  for f in "${mkvs[@]}"; do dbg "  - $(basename "$f")"; done
+
   local processed=0 mkv=""
   for mkv in "${mkvs[@]}"; do
     mux_one_mkv "$mkv"
-    ((++processed))
+    ((processed+=1))
   done
 
+
   log "Finished root: $root (processed $processed MKV(s))"
 }