Yep, that works, but in the spirit of TIMTOWTDI:
PAR has a '--gui' option that will suppress a command prompt.
Note: Unfortunately ActiveState PPM has a stale copy of PAR. You'll have to perl -MCPAN -e "install PAR" instead, but this will work fine. No C compiler is required to use PAR. This is a cool trick especially if you have Tk apps and you don't want to run them from a DOS box at all. But yes, you don't want a Tk app...is this still useful? Maybe.
If you didn't spawn a GUI in your app, I would theorize this would create a background process that would just go on it's merry way without ever appearing on the Windows desktop. Another option would be to have your Perl app install itself as a Win32 service -- not being a hardcore Windows user -- I have yet to experiment with that possibility.
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