It looks like you're out of luck. The
Term::ANSIColor docs note that blink is often not available depending on your terminal. The
Win32::Console::ANSI which is trying to emulate terminal handling for your Win32 console, notes that blink mode is not implemented. In the old days we'd use ANSI.SYS (or a better clone) to do decent ANSI/VT100 escape sequence control, but that isn't an option under Win2k/XP's CMS.EXE it would seem.
Perhaps you can find a better Win32 console shell?
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I'd like to be able to assign to an luser