How to prevent batch window from closing when error occurs?

Question

I\'m trying to write batch script to create a folder if it does not already exist. Following up the online examples, below is my script.

The problem is;

Answer 1

You could put this line at the beginning of the batch file:

if not defined in_subprocess (cmd /k set in_subprocess=y ^& %0 %*) & exit )

What this line does is, the first time you run it, it re-launches itself in a subprocess that doesn't exit after it finishes running the batch file.