Ouya countdown script
Posted by Anonymous on Sun 2nd Sep 2012 02:19
raw | new post

#!/bin/bash
# This script counts down the time to March 1, 2013. This is the month Ouya is supposed to be released to Kickstarter backers.
# Press ^C to quit.
# Date format yyyy-mm-dd
#


# $release and $now variables.
# They represent the number of seconds since 1970-01-01 00:00:00 UTC,
# for present time and release date respectively.
now=$(date "+%s")
release=$(date --date="2013-03-01" "+%s")

function tleft {

        # Check the current date/time and compare with release date.
        now=$(date "+%s")
        diff=$(( release - now ))

        # This for loop takes care of dividing the total number of seconds into days, hours, minutes and seconds.
        for t in d h m s; do
                case $t in
                        'd')
                                n=86400
                                d=$(( diff / n ))
                                printf 'days:\t%12ds\n' $(( d * n ))
                        ;;
                        'h')
                                n=3600
                                h=$(( diff / n ))
                                printf 'hrs:\t%12ds\n' $(( h * n ))
                        ;;
                        'm')
                                n=60
                                m=$(( diff / n ))
                                printf 'min:\t%12ds\n' $(( m * n ))
                        ;;
                        's')
                                s=$diff
                                printf 'sec:\t%12ds\n' $s
                        ;;
                esac

                # Sets the diff to the remainder after each run of the loop.
                diff=$(( diff % n ))
        done

        # Prints out the time left.
        printf '\n%s days, %02d:%02d:%02d left\n' $d $h $m $s
}

# Quit if the current date is greater than the release date.
if [[ $now -ge $release ]]; then
        echo "OUYA! It's released any time now!"
        exit
else
        # While the current date is less than the release date, check the time left once every 0.5 seconds.
        while [[ $now -lt $release ]]; do
                clear
                tleft
                sleep 0.5
        done

        echo "OUYA! It's released any time now!"
        exit
fi