linux-tutorial/codes/shell/基本脚本/使用内联重定向计算表达式.sh

#!/usr/bin/env bash

var1=10.45
var2=43.67
var3=33.2
var4=71

var5=`bc << EOF
scale=4
a1 = $var1 * $var2
b1 = $var3 * $var4
a1 + b1
EOF
`
echo The final answer for this mess is $var5
update scripts and docs 2019-10-29 18:22:19 +08:00			`#!/usr/bin/env bash`
添加脚本 2019-05-10 11:17:57 +08:00
			`var1=10.45`
			`var2=43.67`
			`var3=33.2`
			`var4=71`

format codes 2019-10-10 08:56:31 +08:00			var5=`bc << EOF
添加脚本 2019-05-10 11:17:57 +08:00			`scale=4`
			`a1 = $var1 * $var2`
			`b1 = $var3 * $var4`
			`a1 + b1`
			`EOF`
			`
			`echo The final answer for this mess is $var5`