磁盘空间检查的shell脚本

#/bin/sh

#this shell script is used to check the disk's use

#author colin

#file check_df.sh

#date 2010-09-06

home_base=/home/oracle/shell
check_dir=${home_base}/check
check_file=${check_dir}/check_file.txt
check_point=93
cd ${home_base}
if [ ! -d ${check_dir} ]
then
    mkdir -p ${check_dir}
fi

df_use=`df -lh|grep opt|awk '{print substr($5,1,2)}'`

while [ ${df_use} -lt ${check_point} ]
do
echo "the disk is free at" >${check_file}
date +"%Y-%m-%d %H:%M:%S" >>${check_file}
sleep 60m
df_use=`df -lh|grep opt|awk '{print substr($5,1,2)}'`
done
  df -lh|grep opt>${check_file}
  mail -s "disk alert" [e-mail] <${check_file}