#!/bin/bash
#classify files
#通过正则匹配移动文件到对应文件夹，主要下划线需要转义
for file in `ls all`
do
   for j in `seq 39`
   do
 	if [[ $file = *_$j.bmp ]]
	then
	   mv all/$file \_$j\_*
   	   #echo $j
   	   #echo all/$file
   	   #echo \_$j\_*
	   #echo ===$file
	fi
    done
done