while true
do
inotifywait -mrq --timefmt ‘%d/%m/%y-%H:%M‘ --format ‘%T%w%f‘ -e modify $FROM_DIR | while read eventName dirName fileName; do
echo $eventName >> dbimport.log
sh /root/dbimport.sh
done
done

通过inotify实现监控文件并执行shell（shell编写实现）