Shell变量数值计算的相关内容

shell-变量的数值计算2

let命令的用法 [root@localhost shell]# i=2 [root@localhost shell]# let i=i+8 [root@localhost shell]# echo $i 10 [root@localhost shell]# i=i+8 [root@localhos...

shell-变量的数值计算

变量的数值计算觉的有如下命令 (())、let、expr、bc、$[] 下面看看数值计算的运算符 (())此法很常用且效率高，用于执行整数型的计算，不支持浮点型。如图 [root@localhost ~]# ((a=1+2**3-4%3)) [root@localhost ~]# echo $a ...

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更新时间 2022-07-20 09:49:22

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