I am hoping to program a Perl script for running in MS-DOS 6.22 (no Windows) that will take the output of a (very limited) custom psychophysiology program, do some calculations, then change an environment variable (%whatever% in DOS), and make it available to the psychophysiology program. Is there any way to do this? (I'm new to Perl and programming, in general; but I'm a quick study.)

Also, could I use Perl to start and restart the psychophysiology program, or do I need to do this in batch files?

Thanks.

P.S. Perl so far seems to be working okay in DOS.

In reply to Setting DOS Environment Variables by Neuroactive

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