#!/bin/bash # 清空输出文件 >record2 # 从 record 文件中读取每一行记录 while read name ch math eng; do # 判断三个科目中是否有不及格(成绩低于 60) if [ "$ch" -lt 60 ] || [ "$math" -lt 60 ] || [ "$eng" -lt 60 ]; then echo "$name $ch $math $eng" >>record2 fi done