system touch => "$num.bat";

[download]
doesn't suffer from security issues regarding the content of $num. As for "much faster", I'm not quite convinced. You're doing disk I/O here, and that's likely to be the bottleneck anyway.

Abigail

In reply to Re: One for the Wisest Monks by Abigail-II
in thread Closing a system process after file creation (was: One for the Wisest Monks) by Anonymous Monk

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