上代码:
countfiles.sh
#!/bin/bash
# 统计/etc,/var,/usr目录共有多少个一级子目录和文件
sum_etc=$(find /etc/ | wc -l )
sum_var=$(find /var/ | wc -l )
sum_usr=$(find /usr/ | wc -l )
echo "sum_etc: $sum_etc"
echo "sum_var: $sum_var"
echo "sum_usr: $sum_usr"
sum_all=$(($sum_etc+$sum_var+$sum_usr))
echo "all file and dir total: $sum_all"
添加执行权限:
chmod +x countfiles.sh