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#!/bin/bash# Script to be put in cron, to download scenery files# written by: BP{k} ## Changes:# - fixed a parsing bug which prevented getting all the #   filenames from the index.html# Get the directory listing firstMIRROR="ftp://ftp.flightgear.org/pub/fgfs/Scenery-0.9.10"SOURCE="scenery-names"LISTING="index.html"#get a list of files from the mirrorif [ ! -f $SOURCE ]; then    if [ ! -f $LISTING ]; then        wget $MIRROR/    fi    cat $LISTING | grep tgz | awk -F . '{ print $6 "." $7 }' | awk -F \> '{ print $2 }' | awk -F \< '{ print $1 }' > $SOURCE    rm $LISTINGfi# How many files are we looking at ?LENGTH=`wc -l $SOURCE | awk '{ print $1 }'`COUNT=5# Lets download themuntil [ $COUNT -ge $LENGTH ]; do    DGET=`cat $SOURCE | head -$COUNT | tail -5`    BATCH=($DGET)    NUM=0    while [ $NUM -ne ${#BATCH[*]} ]; do        wget -c $MIRROR/${BATCH[$NUM]}        let NUM=$NUM+1    done      # This will update the script so that the next time its started the      # value of count will be 5 higher     CNTVALUE=$COUNT     let NEWCNT=$COUNT+5      sed -e s/COUNT\=$CNTVALUE/COUNT\=$NEWCNT/g $0 > $0.new     chmod 744 $0.new     mv $0.new $0      exitdone echo "All files have been downloaded. Nothing more to do"echo "Enjoy the world in FlightGear!" exit