read

读取标准输出的内容到变量

执行read v1,然后输出this is v1 value, 等于把刚才输入的这一串字符赋值给了v1.

[alvin@poppy ~]$ read v1
this is v1 value
[alvin@poppy ~]$
[alvin@poppy ~]$ echo $v1
this is v1 value