Simplify ScriptExecutor

BauSystem_Main/src/de/steamwar/bausystem/features/script/ScriptExecutor.java

@@ -68,7 +68,7 @@ public final class ScriptExecutor {
                 return;
             }
 
-            String[] strings = generateStringArray(command);
+            String[] strings = replaceVariables(command);
             if (strings.length == 0) {
                 return;
             }
@@ -99,12 +99,8 @@ public final class ScriptExecutor {
         }
     }
 
-    private String[] generateStringArray(String command) {
-        return replaceVariables(command.replaceAll(" +", " ").split(" "));
-    }
-
-    private String[] replaceVariables(String[] args) {
-        String s = String.join(" ", args);
+    private String[] replaceVariables(String s) {
+        s = s.replaceAll(" +", " ");
         Set<String> variables = new HashSet<>(localVariables.allVariables());
         variables.addAll(Constants.allVariables());
         variables.addAll(globalVariables.allVariables());