Audacious

#!/bin/bash

/usr/bin/audacious -t &>> $HOME/tmp/audacious-out.log &

# Desired length SIDs should play for, in seconds

SONG_LENGTH=80

# How often the monitor should check the state of the player

MONITOR_FREQ=20

# If Audacious already running, toggle play and exit this script.

CUR_FILE="`audtool --current-song-filename`"

if [[ "$CUR_FILE" != 'No song playing.' ]]; then

	exit 0

fi

# Var holds whether audacious is running or not

IS_RUNNING=1

until [[ $IS_RUNNING -ne 1 ]]; do

	echo 'sleeping...'

	sleep $MONITOR_FREQ

	# Get currently played filename and determine it's extension

	CUR_FILE="`audtool --current-song-filename`"

	CUR_FILE_EXT="${CUR_FILE##*.}"

	# In case of multi-track SIDs, whose filenames show up with '?'s in Audacious

	CUR_FILE_EXT="${CUR_FILE_EXT%%\?*}"

	# If SID file has played over the specified song length limit, 

	# advance playlist

	if [[ $CUR_FILE_EXT == 'sid' ]]; then

		SECS_PLAYED="`audtool --current-song-output-length-seconds`"

		echo $SECS_PLAYED

		if [[ $SECS_PLAYED -gt $SONG_LENGTH ]]; then

			audtool --playlist-advance

		fi

	fi

	# Check if audacious is still running

	if [[ "$CUR_FILE" == 'No song playing.' ]]; then

		IS_RUNNING=0

	fi

done