Running Package based installers.

Hi there..

Any hints on running package based installers through a bundle?

Im trying to install the iPrint package by first storing the pkg file in a folder under the users folder, which works fine so far however I cant get the installer to launch the package.

The command I'm issuing is "installer -pkg "$HOME/WSD/iPrint.pkg" -target /" it works fine if i run it from a terminal prompt so Im sure its something small I'm missing..

The output from the zac bin command is "An error occurred while executing the program. Error is: installer: No such file or directory"

Any help is greatly appreciated!