Added uuid command

osxphotos/cli.py

@@ -4331,3 +4331,25 @@ def grep(ctx, cli_obj, db, ignore_case, print_filename, pattern):
         db_file, pattern, ignore_case, print_filename, rich_markup=True
     ):
         print(", ".join([table, column, row_id, value]))
+
+
+@cli.command()
+@click.pass_obj
+@click.pass_context
+@click.option(
+    "--filename",
+    "-f",
+    required=False,
+    is_flag=True,
+    default=False,
+    help="Include filename of selected photos in output",
+)
+def uuid(ctx, cli_obj, filename):
+    """Print out unique IDs (UUID) of photos selected in Photos
+
+    Prints outs UUIDs in form suitable for --uuid-from-file and --skip-uuid-from-file
+    """
+    for photo in photoscript.PhotosLibrary().selection:
+        if filename:
+            print(f"# {photo.filename}")
+        print(photo.uuid)