Just learned the shell don't know how to convert, now understand a little, record underIt's better to be an addition.
c=$[$c+5]
let c=$c+5 变量c等于C加上5后在赋值给自身
let c+=5 就可以这样表示了
例如:
脚本代码如下
declare -i SUM=0
for ((J=2;J100;J+=2));do
let SUM+=$J
echo $SUM
done
echo $SUM
Original post link: http://www.keepsimply.org/2012/07/06/in-c-arrays-why-is-this-true-a5-5a/
Author: drinking and drinkingTime: 2012.07.05
Disclaimer: the translation is only intended for technical study and communication purposes. If you need to reprint it, please mark the original post link.Source: http://stackoverflow.com/questions/381542/in-c-arrays-why-is-this-true-a5-5aThe level is limited. If your translation is inappropriate, you are welcome to discuss, criticize, and correct your
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