for file in `ls -rth ${BACKUP_DIR}|egrep ^[0-9]{14}$`;do
count=`ls ${BACKUP_DIR}|egrep ^[0-9]{14}$|wc -l`
if [[ ${count} -gt 5 ]];then
echo "删除目录${file}"
cd ${BACKUP_DIR} && rm -rf ${file}
else
echo "没有可删除的目录"
exit 0
count=`ls ${BACKUP_DIR}|egrep ^[0-9]{14}$|wc -l`
if [[ ${count} -gt 5 ]];then
echo "删除目录${file}"
cd ${BACKUP_DIR} && rm -rf ${file}
else
echo "没有可删除的目录"
exit 0
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