Online player info of Minecraft servers

players

#!/bin/sh

help () {
    cat <<EOF
usage: $(basename $0) [-hcl]
    -h  print this help
    -c  print player count (default)
    -l  list player names
environment:
    PORT    the server port, default 25565
    SERVER  the server script/daemon, default ~/minecraft
EOF
}

test "$1" = "-h" && help && exit 0

# env
PORT=${PORT:-25565}
SERVER=${SERVER:-~/minecraft}

NUM=`netstat -anp 2>/dev/null | grep :$PORT | grep ESTABLISHED | wc -l`

list () {
    $SERVER command '/list' | tail -n $NUM | rev | cut -d" " -f1 | rev
}

case $1 in
    -h) help ;;
    -l) list ;;
     *) echo $NUM ;;
esac