Bash process old apache logs with awstats

awstats-historical.sh

#!/bin/bash
# Alex Mandel 2011
# Apache 2.0 License

#Script outline for updating awstats from historical logs
#Take start number of oldest log via arguments
# grass.osgeo.org
configfile=$1
# grass-access.log
apachelogbase=$2
countdown=$3
# 10 is default , -20 is high priority
nice=$4

#While number != 1 do
#If log names have a date format then we need to sort by date and start with the oldest incrementing through the list
while [ $countdown -gt 1 ]
do
	sudo nice -n $nice perl /usr/lib/cgi-bin/awstats.pl -config=$configfile -LogFile="gzip -cd /var/log/apache2/$apachelogbase.$countdown.gz |" -update
	#echo "gzip -cd /var/log/apache2/$apachelogbase.$countdown.gz |"
	countdown=$(( $countdown - 1 ))
done

#number-1
#repeat
if [ $countdown -eq 1 ]; then
	sudo nice -n $nice perl /usr/lib/cgi-bin/awstats.pl -config=$configfile -LogFile="/var/log/apache2/$apachelogbase.1" -update
fi
#the last log will get picked up by cron job, ex the current log yet to be rotated