Add All existing

sync_delete

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# ---
+# A script to delete files in a target directory if they also exist in a reference directory.
+# ---
+
+# Exit immediately if a command exits with a non-zero status.
+set -e
+
+# Check if the correct number of arguments (two folders) was provided.
+if [ "$#" -ne 2 ]; then
+    echo "Error: You must provide two directory paths."
+    echo "Usage: $0 <target_directory> <reference_directory>"
+    echo "  - target_directory: The folder FROM WHICH to delete files."
+    echo "  - reference_directory: The folder used as a reference FOR deletion."
+    exit 1
+fi
+
+TARGET_DIR="$1"
+REFERENCE_DIR="$2"
+
+# Check that both arguments are actual directories.
+if [ ! -d "$TARGET_DIR" ]; then
+    echo "Error: Target directory '$TARGET_DIR' does not exist."
+    exit 1
+fi
+
+if [ ! -d "$REFERENCE_DIR" ]; then
+    echo "Error: Reference directory '$REFERENCE_DIR' does not exist."
+    exit 1
+fi
+
+echo "Scanning for files in '$TARGET_DIR' to delete based on the contents of '$REFERENCE_DIR'..."
+echo "------------------------------------------------------------------"
+
+# Loop through every file in the reference directory.
+# This method correctly handles filenames that may contain spaces or special characters.
+find "$REFERENCE_DIR" -type f -print0 | while IFS= read -r -d '' reference_file; do
+    
+    # Get just the filename from the path.
+    filename=$(basename "$reference_file")
+    
+    # Create the full path for the corresponding file in the target directory.
+    target_file_path="$TARGET_DIR/$filename"
+    
+    # Check if that file actually exists in the target directory.
+    if [ -f "$target_file_path" ]; then
+        echo "Found match. Deleting: $target_file_path"
+        # The actual delete command.
+        rm "$target_file_path"
+    fi
+done
+
+echo "------------------------------------------------------------------"
+echo "Script finished."