New Commands & piped interpreter!

TermEngine/Commands/EchoCommand.cs

@@ -0,0 +1,31 @@
+using TermApp.Core;
+using System;
+using System.ComponentModel;
+
+
+namespace TermApp.Commands
+{
+
+    public class EchoCommand : ICommand
+    {
+
+        public string Name => "echo";
+        public string Description => "Prints Input";
+
+
+        public void Execute(string[] args, string input = null)
+        {
+
+            if (args.Length > 0)
+                Console.WriteLine(String.Join(" ", args));
+            else if (input != null)
+                Console.WriteLine(input);
+            else
+                Console.WriteLine();
+
+        }
+
+    }
+
+
+}