snore - sleep with feedback
snore [-v] [NUMBER[SUFFIX]...]
snore pause for NUMBER seconds. SUFFIX may be 's' for seconds (default), 'm' for minutes, 'h' four hours or 'd' for days. Given two or more arguments, pause for the amount of time specified by the sum of their values. A visual feedback is given by printing the flowing of time in both ascending and descending order. If no arguments are given, snore pauses for 1d (one day).
Enter output the split time Ctrl-s pause execution Ctrl-q resume execution
Edit config.mk to match your local setup (snore is installed into the /usr/local namespace by default).
Afterwards enter the following command to build and install snore (if necessary as root):
make clean install