linux 删除目录下几天之前指定文件（或目录）

find /data1/filename*/ -name "cdr_idx_*" -mtime +1 -exec rm -f {} ;

脚本

#!/bin/bash
m=70
dbkeep=95
dbpercent=`df -h | grep data | grep sd | awk -F ' ' '{print $5}'| sed -e 's/%//'`

if [ $dbpercent -lt $dbkeep ]
then
     echo "don't need del tables."
     exit 0
fi

cd /test
pwd
for ((i=1; i<=$m; i ++))
do
b=$(ls -d -lht *.mulu_name | tail -n 1)
rm -rf $b
echo $b has been delete
done

for ((i=1; i<=$m; i ++))
do
b=$(ls -lht *.wenjian_name |awk -F ' ' '{print $9}' | tail -n 1)
rm -rf $b
echo $b has been delete
done