Added a way to execute multiple commands with a single command

MinecraftClient/Commands/ExecMulti.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MinecraftClient.Commands
+{
+    class ExecMulti : Command
+    {
+        public override string CmdName { get { return "execmulti"; } }
+        public override string CmdUsage { get { return "execmulti <command 1> -> <command2> -> <command 3> -> ..."; } }
+        public override string CmdDesc { get { return "cmd.execmulti.desc"; } }
+
+        public override string Run(McClient handler, string command, Dictionary<string, object> localVars)
+        {
+            if (hasArg(command))
+            {
+                string commandsString = getArg(command);
+                IEnumerable<string> commands = commandsString.Split("->")
+                    .ToList()
+                    .ConvertAll(command => command.Trim())
+                    .FindAll(command => !string.IsNullOrEmpty(command) || command.StartsWith("execmulti", StringComparison.OrdinalIgnoreCase));
+
+                foreach (string cmd in commands)
+                {
+                    string output = "";
+                    handler.PerformInternalCommand(cmd, ref output);
+
+                    string log = Translations.TryGet(
+                        "cmd.execmulti.executed", cmd,
+                        string.IsNullOrEmpty(output) ? Translations.TryGet("cmd.execmulti.no_result") : Translations.TryGet("cmd.execmulti.result", output));
+
+                    if (output.Contains("unknown command", StringComparison.OrdinalIgnoreCase))
+                        handler.Log.Error(log);
+                    else handler.Log.Info(log);
+                }
+
+                return "";
+            }
+
+            return GetCmdDescTranslated();
+        }
+    }
+}

MinecraftClient/Resources/lang/en.ini

@@ -271,6 +271,12 @@ cmd.entityCmd.distance=Distance
 cmd.entityCmd.location=Location
 cmd.entityCmd.type=Type
 
+# Exec Multi
+cmd.execmulti.desc=Execute multiple commands one after another
+cmd.execmulti.executed=Executed the command '{0}' with {1}
+cmd.execmulti.result=result '{0}'!
+cmd.execmulti.no_result=no result!
+
 # Exit
 cmd.exit.desc=disconnect from the server.