通過共用資料夾，實現windows到linux的定時備份

E_NOARGS=65
backup_dir=/home/JiraDbBack
export LANG=zh_US.UTF-8

### MAIN ###

source /root/.bash_profile
backup_time=$(date +%Y-%m-%d)

if [ ! -d $backup_dir ]
 then mkdir -p $backup_dir
fi

num=6
delete_old_package ()
{
cd $backup_dir
if [ $? -ne 0 ]; then exit 1; fi
old_package=`ls -lt |grep "tar"|awk 'NR=='$num'{print $NF}'`
while [ $old_package ]
do
rm -f $old_package
old_package=`ls -lt |grep "tar"|awk 'NR=='$num'{print $NF}'`
done
}

delete_old_package
cd $backup_dir
if [ $? -ne 0 ]; then exit 1; fi
smbclient //192.168.84.53/export -N -c "tar c $backup_time.tar *.zip"