#!/bin/bashecho "输入分数判断优秀,及格,不及格"read -ep "请输入分数" fsif [ $fs -ge 85 ] && [ $fs -le 100 ]then echo "$fs 分,优秀"elif [ $fs -ge 70 ] && [ $fs -le 84 ]then echo "$fs 分,合格"else echo "$fs 分.不合格"fi