只能声明,但不能修改和删除(和当前shell共存亡)
![](https://img.haomeiwen.com/i10967676/da60e5b52e8bc1d1.png)
声明只读变量:
readonly name=变量值
declare -r name=变量值
![](https://img.haomeiwen.com/i10967676/a0cdc6e6d4d48004.png)
–
查看只读变量:
readonly -p = declare -r
声明只读变量:
readonly name=变量值
declare -r name=变量值
–
查看只读变量:
readonly -p = declare -r
本文标题:只读变量(常量)---UID
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