7a2c9a代表:
commit 7a2c9aac470b451894de3042d10d45b9202f2749
Author: Junjie Mao <[email protected]>
Date: Tue Mar 18 08:30:09 2014 +0800
Replace POSIX incompatible usages of expr with sh-compatible string operators
This should solve the issue reported at
https://piazza.com/class/hrw6f9rv9q077k?cid=38