Listing 1. muc Munin Plugin Script

SITE=http://www.munich-airport.de
DEP_URL=$SITE/en/consumer/fluginfo/abflug/index.jsp?viewType=t
TMP_FILE=/tmp/.muc_flights

if test "$1" = "config"; then
    echo graph_title Departures Munich Airport
    echo graph_vlabel Number
    echo graph_args --base 1000 --lower-limit 0
    echo graph_category Departures
    echo calling.label Calling
    echo calling.draw AREA
    echo boarding.label Boarding
    echo boarding.draw STACK
    echo departed.label Departed
    echo departed.draw STACK
    echo planned.label Late
    echo planned.draw LINE2
    echo cancelled.label Cancelled
    echo cancelled.draw LINE2
else
    TIME=$(date +%H)
    MIN=$(echo "($(date +%M)/5)*5"|bc)
    case $MIN in
        0) TIME=$TIME:00 ;;
        5) TIME=$TIME:05 ;;
        *) TIME=$TIME:$MIN ;;
    esac

    TMP_FILE=$TMP_FILE:$TIME
    links -dump $DEP_URL | grep $TIME > $TMP_FILE

    UNIXTIME=$(date -d$TIME:00 +%s)
    echo "calling.value $UNIXTIME:$(grep calling $TMP_FILE | wc -l)"
    echo "boarding.value $UNIXTIME:$(grep boarding $TMP_FILE | wc -l)"
    echo "departed.value $UNIXTIME:$(grep departed $TMP_FILE | wc -l)"
    echo "planned.value $UNIXTIME:$(grep planned $TMP_FILE | wc -l)"
    echo \
      "cancelled.value $UNIXTIME:$(grep cancelled $TMP_FILE | wc -l)"

    rm $TMP_FILE
fi