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GRDC(6) Games Manual GRDC(6)

grdc
grand digital clock (curses)

grdc [-s] [number]

grdc runs a digital clock made of reverse-video blanks on a curses compatible screen. With an optional numeric argument number it stops after number seconds (defaulting to never). The optional -s flag makes digits scroll as they change. If the terminal is too slow to keep up, grdc skips seconds. Pressing the ‘q’ key exits the program.

Amos Shapir, modified for curses by John Lupien.
February 6, 2019 OpenBSD-current