> In the VI attached you can not undo the cleaning of the wires.
That is true, but it is easy to modify it to check the result before saving.
>scripting is unsupported and you should be cautious about using it.
Absolutly; I can even say that some functions may occasionally crash labview.
Although for me the advantages of scripting are greater than the risks involved in using it, it might not be the case for every one.
Enjoy (with caution)
PJM