#!/bin/bash DIR=/data/htdocs CHECK=/data/sh/check_dir.tmp ls -1 $DIR > $CHECK MAX=256 for i in `cat $CHECK`; do size=$(/usr/bin/du -sm $DIR/$i |/bin/cut -f1)         if [ "$MAX" -lt "$size" ]                 then                         echo "`date`" >> /data/logs/check_waring.txt                         echo "$i Exceed maximum $MAX"M"" >> /data/logs/check_waring.txt                         chmod 555 $DIR/$i -R         else             chmod 755 $DIR/$i -R