linux删除前x天指定目录指定类型的文件

目录结构

• /opt
  • devices
    • A72813712847
    • A57187318231
    • A47127123019

dirs=`ls /opt/devices/`
for i in $dirs
do
        dir=/opt/devices/${i}
        find ${dir} -mtime +7 -name "*.*" -exec rm -Rf {} \;
done