sunstudio11 curses!

sigh i messed up a studio11 install. i did. delete the directory, sure? and i did.
in the process of reinstalling, the installer said studio was already installed.
oh... yeah... pkgadd... whoopsies!
i need to reinstall. what to do?

Fixing a Failed Installation or Uninstallation on Solaris Platforms

    Become superuser by typing:

    su
    Password: root-password

    Open the Solaris Product Registry tool by typing:

    /usr/bin/prodreg &

    In the left pane of the tool, expand the Unclassified Software node.
    Select all of the package names containing Oracle Solaris Studio 11 and click Uninstall. 
    Follow the instructions to remove the packages.
    Click Exit to exit the tool.
    Remove the /root/.nbi directory by typing:

    rm -r /.nbi

---

From the commandline:

# /var/sadm/prod/com.sun.studio_11/
# ./batch_uninstall_all