From 876f00e63515ff382bf8a63b1f05f57afbc92cbd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?kleines=20Filmr=C3=B6llchen?= <filmroellchen@serenityos.org>
Date: Tue, 7 Mar 2023 23:16:42 +0100
Subject: [PATCH] Base: Demonstrate ArgsParser and format strings in cli
 project template

This demonstrates both an option and an optional positional argument, as
well as some simple format string printing with {}.
---
 Base/res/devel/templates/cpp-basic/main.cpp | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/Base/res/devel/templates/cpp-basic/main.cpp b/Base/res/devel/templates/cpp-basic/main.cpp
index 95efa135c0..0d35edce28 100644
--- a/Base/res/devel/templates/cpp-basic/main.cpp
+++ b/Base/res/devel/templates/cpp-basic/main.cpp
@@ -1,9 +1,24 @@
 #include <AK/Format.h>
+#include <AK/StringView.h>
+#include <LibCore/ArgsParser.h>
 #include <LibCore/System.h>
 #include <LibMain/Main.h>
 
-ErrorOr<int> serenity_main(Main::Arguments)
+ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
-    outln("Hello friends!");
+    int hello_count = 1;
+    StringView epilog;
+
+    Core::ArgsParser parser;
+    parser.add_option(hello_count, "How often to print \"Hello friends!\"", "count", 'c', "hello-count");
+    parser.add_positional_argument(epilog, "What to print at the end", "epilog", Core::ArgsParser::Required::No);
+    parser.parse(arguments);
+
+    for (auto i = 0; i < hello_count; ++i)
+        outln("Hello friends!");
+
+    if (!epilog.is_empty())
+        outln("And finally: {}", epilog);
+
     return 0;
 }