keepXdaysV2

#!/usr/local/bin/bash

if test "$1" = ""
then
        echo "usage: $0 directory-of-backup-files number-of-days-to-keep"
        exit 1
fi

if test "$2" = ""
then
        echo "usage: $0 directory-of-backup-files number-of-days-to-keep"
        exit 1
fi

if test "$3" != ""
then
        echo "usage: $0 directory-of-backup-files number-of-days-to-keep"
        exit 1
fi

# backupdir=/mail/backup
backupdir=$1
daystokeep=$2
currentdate=`date +%Y%m%d`
archivedate=`echo $(($currentdate - $daystokeep))`
myhostname=$(hostname)
logfile=$0.log
count=1
NOTIFYEMAIL=abc@gmail.com

echo -e >> $logfile
echo -e >> $logfile
echo -e >> $logfile
echo -e >> $logfile
echo -e >> $logfile
echo " ----- $currentdate ----- " >> $logfile
echo "list of directories BEFORE script run, are :" >> $logfile
ls $backupdir >> $logfile
echo -e >> $logfile


for i in $(ls -rld $backupdir/20* | awk '{print $9}');
do
        list[$count]=$i >> $logfile
        let "count += 1" >> $logfile
done

echo "$daystokeep days of backup will be kept and the rest deleted, see below : " >> $logfile

while (($count > $daystokeep));
do
        echo "${list[$count]} will be DELETED !!!" >> $logfile
        rm -rf ${list[$count]} >> $logfile
        let "count -= 1"
done


echo -e >> $logfile
echo -e >> $logfile
echo "list of directories AFTER script runned, are : " >> $logfile
ls $backupdir >> $logfile
echo -e >> $logfile
echo -e >> $logfile

df -h >> $logfile

echo " ----- $currentdate ----- " >> $logfile

mail -s "list of backup directories in $backupdir of $myhostname" ${NOTIFYEMAIL} < $logfile