Script to print a specific Minecraft statistic for all players

print-minecraft-stats.sh

#!/usr/bin/env bash

# This script prints the uuid, username and value of a minecraft statistic from the json files (located at world/stats/*.json).

PROFILE_URL="https://sessionserver.mojang.com/session/minecraft/profile"

usage() { echo "Usage: $0 [-d <stats directory>] [-1 <first json path, default 'custom'>] [-2 <second json path, default 'deaths'>]" 1>&2; exit 1; }

while getopts ":d:1:2:" o; do
    case "${o}" in
        d)
            dir=${OPTARG}
            ;;
        1)
            prop1=${OPTARG}
            ;;
        2)
            prop2=${OPTARG}
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

dir=$([[ -z "$dir" ]] && echo "$PWD" || echo "$dir")

function addPrefix {
    if [[ $1 =~ ":" ]]; then
        echo $1
    else
        echo "minecraft:$1"
    fi
}

stats_dir=$([[ -z "$3" ]] && echo "custom" || echo "$1")

prop1=$(addPrefix $([[ -z "$prop1" ]] && echo "custom" || echo "$prop1"))
prop2=$(addPrefix $([[ -z "$prop2" ]] && echo "deaths" || echo "$prop2"))

pad=$(printf '%0.1s' " "{1..20})

for f in $dir/*.json; do
    filename=$(basename "$f")
    uuid=${filename%.*}
    name=$(curl -sL "$PROFILE_URL/$uuid" | jq .name)
    property=$(cat "$f" | jq ".stats[\"$prop1\"][\"$prop2\"]")

    printf "%s %s %*.*s %s\n" "$uuid" "$name" 0 $((18 - ${#name})) "$pad" "$property"
done