From 828caf12a6c5b217052b8a6ed26e7721239201b4 Mon Sep 17 00:00:00 2001
From: Tim Ledbetter <timledbetter@gmail.com>
Date: Thu, 22 Jun 2023 18:18:46 +0100
Subject: [PATCH] dirname: Add `-z` option for null terminated output

---
 Userland/Utilities/dirname.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Userland/Utilities/dirname.cpp b/Userland/Utilities/dirname.cpp
index c2481d91eb..d54e6b9a79 100644
--- a/Userland/Utilities/dirname.cpp
+++ b/Userland/Utilities/dirname.cpp
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2023, Tim Ledbetter <timledbetter@gmail.com>
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -10,11 +11,14 @@
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    DeprecatedString path = {};
+    bool null_terminated = false;
+    DeprecatedString path;
     Core::ArgsParser args_parser;
+    args_parser.add_option(null_terminated, "End each output line with \\0, rather than \\n", "zero", 'z');
     args_parser.add_positional_argument(path, "Path", "path");
     args_parser.parse(arguments);
 
-    outln("{}", LexicalPath::dirname(path));
+    auto const delimiter = null_terminated ? '\0' : '\n';
+    out("{}{}", LexicalPath::dirname(path), delimiter);
     return 0;
 }