安装A卡出现的错误，怎么解决啊

sczlin

安装A卡驱动，下面的错误提示怎么解决啊！！
Creating directory fglrx-install
Verifying archive integrity... All good.
Uncompressing ATI Proprietary Linux Driver-8.28.8.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
-e ==================================================
-e  ATI Technologies Linux Driver Installer/Packager
-e ==================================================
./ati-installer.sh: 165: Syntax error: Bad substitution
Removing temporary directory: fglrx-install