diff --git a/unity.inc.php b/unity.inc.php
index 110689c..afa192c 100644
--- a/unity.inc.php
+++ b/unity.inc.php
@@ -197,6 +197,20 @@ function get_unity_dir()
     return "$app_dir/Unity.app/Contents/"; 
 }
 
+function unity_build_cmd($shared_cmd)
+{
+  $app_dir = get('UNITY_APP_DIR');
+
+  if(is_win())
+    $cmd = "\"$app_dir/Editor/Unity.exe\" $shared_cmd"; 
+  else if(is_linux())
+    $cmd = "\"$app_dir/Editor/Unity\" $shared_cmd"; 
+  else
+    $cmd = "$app_dir/Unity.app/Contents/MacOS/Unity $shared_cmd";
+
+  return $cmd;
+}
+
 function mono_mcs_bin()
 {
   if(!get("USE_UNITY_MONO"))