更新时间:2023-02-21 18:51:47
foo="Hello"
foo="${foo} World"
echo "${foo}"
> Hello World
通常要连接两个变量,您可以一个接一个地编写它们:
In general to concatenate two variables you can just write them one after another:
a='Hello'
b='World'
c="${a} ${b}"
echo "${c}"
> Hello World