Simple mpd status for use in i3status

mpc-status.sh

#!/bin/busybox sh

set -eu

# reset
export LD_LIBRARY_PATH=

# call mpc once
STATUS=$(mpc|tr -s ' ')
FIRST=$(echo "$STATUS" | head -n1)
SECOND=$(echo "$STATUS" | tail -n+2 | head -n1)

# clip $1 to $2 characters
clip() {
   x="$1"
   l=$(echo "$x" | wc -c)
   if [ "$l" -gt $2 ]
   then
      x=$(echo "$x" | head -c 30)...
   fi
   echo "$x"
}

# echo title
title() {
   l=$(echo "$FIRST" | wc -c)
   x="$FIRST"
   if [ "$l" -gt 33 ]
   then
      x=$(echo $FIRST | sed -e 's/^.* - //1')
      x=$(clip "$x" 30)
   fi
   echo "$x"
}

# position in track in percent
percent=$(echo "$SECOND" | cut -d' ' -f4)

# play/pause(/stop)
pp="◼"
case "$(echo "$SECOND" | cut -d' ' -f1)" in
   "[playing]")
      pp="▶"
      ;;
   "[paused]")
      pp="Ⅱ"
      ;;
esac

echo "$pp  $percent $(title)"