Wiil的博客

总结10种计算方法n=1;echo -n "$n"[root@chess1 ~]# n=1 [root@chess1 ~]# n=$(($n+1)) [root@chess1 ~]# echo $n 2 [root@chess1 ~]# let "n=$n+1" [root@chess1 ~]# echo $n 3 [root@chess1 ~]# ((n=n+1)) [root@chess1 ~]

转载 http://blog.youkuaiyun.com/zhangjay/article/details/6661810