all-project/学生换班级/test_pipe.sh

#!/bin/bash

echo "测试管道方式..."

data="line1
line2
line3"

echo "数据内容:"
echo "$data"
echo "---"

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

echo "管道测试完成, count=$count"