Add initial files

dart/.gitignore

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+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/

dart/CHANGELOG.md

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+## 1.0.0
+
+- Initial version.

dart/README.md

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+A sample command-line application providing basic argument parsing with an entrypoint in `bin/`.

dart/analysis_options.yaml

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+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lints/recommended.yaml
+
+# Uncomment the following section to specify additional rules.
+
+# linter:
+#   rules:
+#     - camel_case_types
+
+# analyzer:
+#   exclude:
+#     - path/to/excluded/files/**
+
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

dart/bin/dart.dart

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+import 'package:args/args.dart';
+
+const String version = '0.0.1';
+
+ArgParser buildParser() {
+  return ArgParser()
+    ..addFlag(
+      'help',
+      abbr: 'h',
+      negatable: false,
+      help: 'Print this usage information.',
+    )
+    ..addFlag(
+      'verbose',
+      abbr: 'v',
+      negatable: false,
+      help: 'Show additional command output.',
+    )
+    ..addFlag(
+      'version',
+      negatable: false,
+      help: 'Print the tool version.',
+    );
+}
+
+void printUsage(ArgParser argParser) {
+  print('Usage: dart dart.dart <flags> [arguments]');
+  print(argParser.usage);
+}
+
+void main(List<String> arguments) {
+  final ArgParser argParser = buildParser();
+  try {
+    final ArgResults results = argParser.parse(arguments);
+    bool verbose = false;
+
+    // Process the parsed arguments.
+    if (results.wasParsed('help')) {
+      printUsage(argParser);
+      return;
+    }
+    if (results.wasParsed('version')) {
+      print('dart version: $version');
+      return;
+    }
+    if (results.wasParsed('verbose')) {
+      verbose = true;
+    }
+
+    // Act on the arguments provided.
+    print('Positional arguments: ${results.rest}');
+    if (verbose) {
+      print('[VERBOSE] All arguments: ${results.arguments}');
+    }
+  } on FormatException catch (e) {
+    // Print usage information if an invalid argument was provided.
+    print(e.message);
+    print('');
+    printUsage(argParser);
+  }
+}

dart/pubspec.yaml

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+name: dart
+description: A sample command-line application with basic argument parsing.
+version: 0.0.1
+# repository: https://github.com/my_org/my_repo
+
+environment:
+  sdk: ^3.5.1
+
+# Add regular dependencies here.
+dependencies:
+  args: ^2.4.2
+  libac_dart:
+    hosted: https://git.zontreck.com/api/packages/AriasCreations/pub/
+    version: 1.2.82924+1846
+
+dev_dependencies:
+  lints: ^4.0.0
+  test: ^1.24.0