mkdir log_B850 log_B800
for i in `ls log_files`
do
    num=0
    for j in 283 288 292 577 582 586 871 876 880
    do
        #if [[ $i =~ $j ]]
        if [[ $i == *$j* ]]
        then  
            num=`expr $num + 1`    
        else
            num=`expr $num + 0`    
        fi  
    done
    if [ $num == 0 ]
    then
        cp log_files/$i ./log_B850/;
    else  
        cp log_files/$i ./log_B800/;
    fi
    echo $num
done