New Commands & piped interpreter!

TermEngine/Commands/AddCommand.cs

@@ -0,0 +1,46 @@
+using System;
+using System.ComponentModel;
+using TermApp.Core;
+
+
+namespace TermApp.Commands 
+{
+    
+
+public class AddCommand : ICommand
+{
+    public string Name => "add";
+    public string Description => "Adds two integers together args : a + b";
+
+    public void Execute(string[] args, string input = null)
+    {
+
+        if (args.Length < 1)
+        {
+
+            Console.WriteLine(Description);
+            return;
+
+        }
+
+        if (int.TryParse(args[0], out int a) && int.TryParse(args[1], out int b))
+        {
+
+            int result = a + b;
+            Console.WriteLine(result);
+            return;
+
+        }
+        else
+        {
+
+            Console.WriteLine("Make sure Both Args are integers!");
+
+        }
+
+
+
+    }
+
+}
+}