A script to wake you up by playing some music.

wakeup

#!/bin/bash
#
# Wakeup
# Author: Philip Munksgaard
# Description: Suspends the computer and wakes up at a specified
# time and starts playing a song.
# Note: does not ensure that sound is on and high enough!

wakeuptime=$1
shift

usage () {
   echo "Usage: $0 WAKEUPTIME SONG"
}

help () {
   echo "Will suspend the computer and wake up at WAKEUPTIME"
   echo "playing the specificed song(s)."
   echo
   echo "Examples:"
   echo "$0 8:00 song.mp3 - Will play song.mp3 at 8:00 today"
   echo "$0 tomorrow 8:00 song.mp3 - will play song.mp3 at 8:00 tomorrow"
}

if [ "$1" = "--help" -o "$1" = "-h" ]; then
   usage
   echo
   help
   exit 0
fi

if [ -z "$1" -o -z "$wakeuptime" ]; then
   usage
   exit 1
fi

sudo echo "Going to sleep. Will wake you up $wakeuptime by playing $@"

alarmtimer="`date '+%s' -d "$wakeuptime"`"

if [ "$alarmtimer" -le $(date +%s) ]; then
    alarmtimer="`date '+%s' -d "tomorrow $wakeuptime"`"
fi

sudo sh -c "echo '0' > /sys/class/rtc/rtc0/wakealarm"
sudo sh -c "echo '$alarmtimer' > /sys/class/rtc/rtc0/wakealarm"

sleep 5
sudo pm-suspend ; mplayer "$@"