linux-tutorial/codes/shell/示例脚本/逻辑控制/使用双圆括号.sh

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#!/bin/bash

# using double parenthesis

var1=10

if (($var1 ** 2 > 90))
then
    ((var2 = $var1 ** 2))
    echo "The square of $var1 if $var2"
fi
添加脚本 2019-05-10 11:17:57 +08:00			`#!/bin/bash`
format codes 2019-10-10 08:56:31 +08:00
添加脚本 2019-05-10 11:17:57 +08:00			`# using double parenthesis`

			`var1=10`

format codes 2019-10-10 08:56:31 +08:00			`if (($var1 ** 2 > 90))`
			`then`
			`((var2 = $var1 ** 2))`
			`echo "The square of $var1 if $var2"`
添加脚本 2019-05-10 11:17:57 +08:00			`fi`