cfg/.config/i3blocks/mpc

#!/bin/bash
set -euo pipefail

[ $(mpc | wc -l) -eq 1 ] && {
	printf '<span color="#7f7f7f">\uf9da</span>'
	exit
}

title=$(mpc | head -n1 | tr -cd "[:print:]")
state=$(mpc | grep '^\[' | sed -E 's/^\[(.+)\].*/\1/')

case ${state} in
playing)
	printf '\uf909 <span color="#8faafc">%s</span>' "${title}"
	;;
paused)
	printf '\uf8e3 <span color="#7f7f7f">%s</span>' "${title}"
	;;
*)
	printf '<span color="#dd0000">State: %s Title: %s<span>' ${state} "${title}"
	;;
esac