#!/bin/sh

find /tmp/homework -maxdepth 1 -type d | while read dir; do

    count=$(find "$dir" -type f | wc -l)

    echo "$dir : $count"

done

#!/bin/sh

##方法一 判断输出字符数统计为0

is_empty_dir(){

    return `ls -A $1|wc -w`

}

##方法二 判断输出string为空

#is_empty_dir(){

#   return $[ -z `ls -A $1` ]

#}

if is_empty_dir $1;then

    echo " $1 is empty"

else

    echo " $1 is not empty"

fi