log apache ใหญ่ ก้อเขียน script ทำ archive ซะ

#!/bin/bash

MONTH="$((`date +%m`-1))"
YEAR=$(date +"%Y")

cd /var/www/

for f in $(ls /var/www | grep web); do
             cd /var/www/$f/log
             if [ -a $YEAR ];
             then
                     cd $YEAR
                          if [ -a 0$MONTH ];
                          then
                                  tar -zcvf 0$MONTH.tar.gz 0$MONTH
                                  rm -rf /var/www/$f/log/$YEAR/0$MONTH
                          fi
             fi
done

ตั้ง crontab

05 03 1 * * sh /root/logclean.sh