#! /bin/sh

case "$1" in
    '') N=10;;
    *)  N="$1"
esac

grep -a 'player: *played' "$FILE_LOG_MPD" \
| awk '
    BEGIN {
        s = " *"
    }

    $5 == "player:" && $6 == "played" {
        sub("^" s $1 s $2 s $3 s $4 s $5 s $6 s, "")
        count[$0]++
    }

    END {
        for (song in count)
            printf("%d %s\n", count[song], song)
    }' \
| sort -n -k 1 -r \
| head -"$N"