Play Animal Crossing Wild World hourly music continuously according to the hour like in the game

wild-world-hourly-music.sh

#!/usr/bin/env bash

# plays hourly animal crossing wild world music in the background!
# uses audacious to play 2sf rips
# thus it depends on the 2sf music files and audacious

# place the .mini2sf files in the following directory and name the hourly music files with this format: "%H.mini2sf", e.g. "00.mini2sf" (midnight), "04.mini2sf" (4 am), "10.mini2sf" (10 am), "12.mini2sf" (noon), "13.mini2sf" (1 pm), "23.mini2sf" (11 pm), etc.

MUSIC_DIR=~/hourly	# set to the directory containing the 2sf files

# repeat forever!!
while true
do

	# determine the correct music for the current hour
	FILE=$(echo "$MUSIC_DIR/$(date +%H).mini2sf")

	# start playing the music (async so can kill later)
	echo "Playing hourly music: $FILE"
	audacious -H $FILE &

	# sleep until the turn of the hour
	# https://stackoverflow.com/a/27598644
	printf -v left '%(3600-60*10#%M-10#%S)T' -1
	echo "Waiting $((left)) seconds until next hour..."
	sleep "$((left))"

	# and stop the old music
	echo "Stopping music."
	kill $!

done