cron this for a sane MediaWiki job runner

MW_runJobs.sh

#!/usr/bin/env bash

WIKI_DIR="/var/www/html/w"
LOG_DIR="/var/log/wiki"

PIDDIR="/var/run/wiki"
mkdir -p $PIDDIR

JOBS=( "refreshLinks" "refreshLinks2" "SMWUpdateJob" "replaceText" "htmlCacheUpdate" "spsCreatePage" )
MAXJOBS=10

for JOBNAME in "${JOBS[@]}"
do
        PIDFILE="$PIDDIR/$JOBNAME.pid"

        if [ -e "${PIDFILE}" ] && (ps -u $USER -f | grep "[ ]$(cat ${PIDFILE})[ ]"); then
          echo "Already running."
          exit 99
        fi

        nice -n -5 php -f $WIKI_DIR/maintenance/runJobs.php - --maxjobs $MAXJOBS --type $JOBNAME >> $LOG_DIR/$JOBNAME.log &

        echo $! > "${PIDFILE}"
        chmod 644 "${PIDFILE}"
done