Day 1

aoc2020/bin/main.dart

@@ -8,7 +8,8 @@ ArgResults argResults;
 void main(List<String> arguments) {
   final parser = ArgParser()
   ..addOption('day', abbr: 'd', help: 'Select the day')  //, callback: (day) => print('the day is aoc202012$day'))
-  ..addFlag('list', abbr: 'l', help: 'List available days', callback: (_) => aoc2020.list());
+  ..addFlag('list', abbr: 'l', help: 'List available days', callback: (_) => aoc2020.list())
+  ..addFlag('runAll', abbr: 'r', help: 'Run all available days', callback: (_) => aoc2020.runAll());
   argResults = parser.parse(arguments);
   // final paths = argResults.rest;
   // print('paths: ${paths}!');

aoc2020/lib/aoc2020.dart

@@ -14,6 +14,25 @@ class aoc2020 {
   ];
 
   static void list() async {
+    print('Days available:');
+    for (var index = 0; index < aocDays.length; index++) {
+      var aocReflect = reflect(aocDays[index]);
+      var classString = aocReflect.toString().split("'")[1];
+
+      print('${index + 1} : ${classString ?? 'null'}');
+      // var myclass = aocDays[index];
+      // await myclass.a(test: true);
+      // await myclass.b(test: true);
+      // print('$index : ${myclass.answerA ?? 'null'}');
+      // print('$index : ${myclass.answerB ?? 'null'}');
+      // await myclass.a();
+      // await myclass.b();
+      // print('$index : ${myclass.answerA ?? 'null'}');
+      // print('$index : ${myclass.answerB ?? 'null'}');
+    }
+  }
+
+  static void runAll() async {
     print('Days available:');
     for (var index = 0; index < aocDays.length; index++) {
       var aocReflect = reflect(aocDays[index]);
@@ -23,12 +42,12 @@ class aoc2020 {
       var myclass = aocDays[index];
       await myclass.a(test: true);
       await myclass.b(test: true);
-      print('$index : ${myclass.answerA ?? 'null'}');
-      print('$index : ${myclass.answerB ?? 'null'}');
+      print('$classString A Test : ${myclass.answerA ?? 'null'}');
+      print('$classString B Test : ${myclass.answerB ?? 'null'}');
       await myclass.a();
       await myclass.b();
-      print('$index : ${myclass.answerA ?? 'null'}');
-      print('$index : ${myclass.answerB ?? 'null'}');
+      print('$classString A  : ${myclass.answerA ?? 'null'}');
+      print('$classString B  : ${myclass.answerB ?? 'null'}');
     }
   }
 }

aoc2020/lib/aoc20201201.dart

@@ -9,13 +9,29 @@ class AOC20201201 extends AOCBase {
     print("Running 'a'" + ((test ?? false) ? 'with test' : ''));
     print('$classStringTest');
     var mylist = await ReadData.readFileNum(filename);
-    print(mylist);
-    answerA = 0;
+    for (var index1 = 0; index1 < mylist.length - 1; index1++) {
+      for (var index2 = index1 + 1; index2 < mylist.length; index2++) {
+        if (mylist[index1] + mylist[index2] == 2020) {
+          answerA = mylist[index1] * mylist[index2];
+        }
+      }
+    }
   }
 
   @override
   Future<void> b({bool test}) async {
-    print("Running 'b'");
-    answerB = 1;
+    var filename = (test ?? false) ? classStringTest : classString;
+    print("Running 'b'" + ((test ?? false) ? 'with test' : ''));
+    print('$classStringTest');
+    var mylist = await ReadData.readFileNum(filename);
+    for (var index1 = 0; index1 < mylist.length - 1; index1++) {
+      for (var index2 = index1 + 1; index2 < mylist.length; index2++) {
+        for (var index3 = index2 + 1; index3 < mylist.length; index3++) {
+          if (mylist[index1] + mylist[index2] + mylist[index3] == 2020) {
+            answerB = mylist[index1] * mylist[index2] * mylist[index3];
+          }
+        }
+      }
+    }
   }
 }

aoc2020/lib/model/readdata.dart

@@ -6,7 +6,7 @@ class ReadData {
     var file = File(fileName);
     var contents = <String>[];
 
-    print('open file "$fileName"');
+    // print('open file "$fileName"');
     if (await file.exists()) {
       contents = await File(fileName).readAsLines();
     } else {
@@ -20,7 +20,7 @@ class ReadData {
     var file = File(fileName);
     var contents = <num>[];
 
-    print('open file "$fileName"');
+    // print('open file "$fileName"');
     if (await file.exists()) {
       var contentStrings = await File(fileName).readAsLines();
       contents = contentStrings.map(num.parse).toList();