#!/bin/bash
# hexclock - convert time to a hexadecimal format
hour=`date +%H`                                         # Get the current Hour (24 hour format)
minute=`date +%M`                                       # Get the current Minute
second=`date +%S`                                       # Get the current Second
totalsec=`echo "($hour*60+$minute)*60+$second" | bc`    # Convert Hour, Minute, Second to total seconds
htime="`echo "obase=16; $totalsec/86400" | bc -l`"      # Output the hextime as a hex fraction
htime=`echo $htime | cut -d'.' -f2 | cut --bytes=1-4`   # Format the fraction to not have . and only have first 4 bytes
hexhour=`echo $htime | cut --bytes=1`                   # Hex Hours = First byte of fraction
hexmin=`echo $htime | cut --bytes=2-3`                  # Hex Minutes = Second and Third bytes of fraction
hexsec=`echo $htime | cut --bytes=4`                    # Hex Seconds = Fourth byte of fraction
echo -n "The current time in hexadecimal is: "          # Nice little formatting message
echo $hexhour"_"$hexmin"_"$hexsec                       # Print results
exit