Show a clock in windows console
usage: tty-clock [-hsc1Sb] [-C Color] [-t ticks] [-a nsticks]
-h show this oage
-s show second
-c center the clock when start
-1 show once
-C Color change color: 0~F or RGB color
-S screen saver mode
-t ticks set the delay between refresh (default:1000 ms)
-b enable blinking
keyboard shortcuts:
Q: quit tty-clock
C: center the clock
M: Locate the clock at topleft
S: show/unshow the second
E: Change color