Index: lldb/source/Interpreter/CommandInterpreter.cpp
===================================================================
--- lldb/source/Interpreter/CommandInterpreter.cpp
+++ lldb/source/Interpreter/CommandInterpreter.cpp
@@ -3224,6 +3224,14 @@
   result.AppendMessageWithFormat("Session's transcripts saved to %s\n",
                                  output_file->c_str());
 
+  if (Host::IsInteractiveGraphicSession()) {
+    const FileSpec file_spec;
+    error = file->GetFileSpec(const_cast<FileSpec &>(file_spec));
+    if (error.Success())
+      if (!Host::OpenFileInExternalEditor(file_spec, 1))
+        result.AppendMessage("Unable to open file in external editor\n");
+  }
+
   return true;
 }