Simple mpd bookmarks

gistfile1.txt

#!/usr/bin/env bash

function DEPENDENCY_CHECKS {
	for dep in $@; do
		if ! hash "$dep" 2>/dev/null 1>&2; then echo "$dep not found in \$PATH. Abort." && exit 1; fi
	done
}
DEPENDENCY_CHECKS mpc

MPC_OPTS="--port 6601"
readonly MPC_OPTS

function USAGE() {
	echo "Usage: $0 [-l <loadfile>] [-s <savefile>]" 1>&2 \
		&& exit 1
}

function save() {
	OUT=$(mpc status ${MPC_OPTS} --format '%file%')
	TRACK=$(echo "$OUT" | head -n 1)
	STATE=$(echo "$OUT" | head -n 2 | tail -1 | awk '{print $3}' | awk -F"/" '{print $1}')

	echo "$TRACK;$STATE" > $1
}

function load() {
	[ ! -r "$1" ] && echo "Not readable: $1. abort" && exit 1
	LOAD=$(cat "$1")

	TRACK=$(echo "$LOAD" | awk -F";" '{print $1}')
	POS=$(echo "$LOAD" | awk -F";" '{print $2}')

	mpc ${MPC_OPTS} insert "$TRACK" && mpc ${MPC_OPTS} play && mpc ${MPC_OPTS} next && mpc ${MPC_OPTS} seek "$POS"
}

while getopts 's:l:' OPTION; do
	case "$OPTION" in
		s)
			savefile="$OPTARG"
			save "$savefile"
			;;
		l)
			loadfile="$OPTARG"
			load "$loadfile"
			;;
	?)
		USAGE
		;;
	*)
		USAGE
		;;
	esac
done
[ "$OPTIND" -eq 1 ] && USAGE && exit 1
shift "$(($OPTIND -1))"