New Commands & piped interpreter!

TermEngine/Commands/AddCommand.cs

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+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!");
+
+        }
+
+
+
+    }
+
+}
+}

TermEngine/Commands/ClearCommand.cs

@@ -0,0 +1,26 @@
+using TermApp.Core;
+
+namespace TermApp.Commands
+{
+
+    public class ClearCommand : ICommand
+    {
+
+        public string Name => "clear";
+        public string Description => "Clears the Terminal";
+
+        public void Execute(string[] args, string input = null)
+        {
+
+            Console.Clear();
+            if (args.Length != 0)
+            {
+                if (args[0] == "log") Console.WriteLine("Cleared :)");
+
+            }
+
+        }
+
+    }
+
+}

TermEngine/Commands/EchoCommand.cs

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+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();
+
+        }
+
+    }
+
+
+}

TermEngine/Commands/GreetCommand.cs

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+using System;
+using TermApp.Core;
+
+namespace TermApp.Commands
+{
+    
+    public class GreetCommand : ICommand
+{
+    public string Name => "greet";
+    public string Description => "greets someone.. args [name]";
+
+    public void Execute(string[] args, string input = null)
+    {
+
+        if (args.Length == 0)
+        {
+
+            Console.WriteLine(Description);
+            return;
+
+        }
+
+        Console.WriteLine("Greetings , " + args[0]);
+
+    }
+}
+
+}
+

TermEngine/Commands/HelpCommand.cs

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+using System;
+using TermApp.Core;
+
+namespace TermApp.Commands
+{ 
+    
+
+
+public class HelpCommand : ICommand
+{
+    private readonly CommandInterpreter _interpreter;
+
+    public HelpCommand(CommandInterpreter interpreter)
+    {
+
+        _interpreter = interpreter;
+
+    }
+    public string Name => "help";
+    public String Description => "Shows the Help pop Up";
+
+    public void Execute(string[] args, string input = null)
+    {
+        Console.WriteLine("Avaliable Commands:");
+        foreach (var cmd in _interpreter.GetAllCommands())
+        {
+
+            Console.WriteLine($"Command : {cmd.Name} | {cmd.Description}");
+        }
+
+    }
+
+}
+}
+