all-project/学生换班级/test_herestring.sh

#!/bin/bash

echo "测试here string..."

data="line1
line2
line3"

echo "数据内容:"
echo "$data"
echo "---"

echo "使用here string:"
count=0
while IFS= read -r line; do
    ((count++))
    echo "处理第 $count 行: $line"
done <<< "$data"

echo "测试完成"