linux-tutorial/codes/shell/示例脚本/基本脚本/使用内联重定向计算表达式.sh
2019-05-10 11:17:57 +08:00

16 lines
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Bash

#!/bin/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