提一个关于$(( ))的问题

[qqttdh]

代码： 全选

qqttdh@marx08:~$ s=$((08 - 1))
bash: 08: 基数值过大 (error token is "08")
qqttdh@marx08:~$ s=$((09 - 1))
bash: 09: 基数值过大 (error token is "09")

如上。。。何解。。。？

[qqttdh]

http://www.linuxforums.org/forum/linux- ... -09-a.html
A convention in many situations is that numeric strings with a leading "0" are interpreted as octal.

[cnkilior]

0开头的数字是8进制！