Meagan Longoria discusses control nuggets in BimlScript:
Control nuggets start with <# and end with #>. Just like text nuggets, control nuggets can be a single line or multiple lines. And they can contain simple or complex logic.
There were actually control nuggets in the text nugget example from the previous post. The variable declarations at the top of the file (lines 4 – 10) are control nuggets.
Below is another example file that uses code nuggets. I like to separate my design patterns. project connections, and package generation into separate files. The BimlScript shown below is from a slightly altered “caller file”, the file that I would execute to create the SSIS packages that should follow a specified design pattern. This caller file is generating Type 1 slowly changing dimensions.
Meagan also includes a couple of Biml scripts to explain control nuggets, so check those out.