In my .bat file I want to generate a unique name for files/directories based on date-time.

e.g.

Build-2009-10-29-10-59-00

The problem is that %TIME% won't do because it contains characters that are illegal in filename (e.g. :).

Is there something like tr in batch files?

Any other ideas how to solve this (that don't require extra command line utilities aside from the batch interpreter)?

windows batch-file timestamp filenames
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