VMware VI Perl toolkit
VMware VI Perl toolkit
http://www.vmware.com/support/developer/viperltoolkit/
http://www.vmware.com/support/developer/viperltoolkit/doc/perl_toolkit_utilities_idx.html
http://www.vmware.com/support/developer/viperltoolkit/doc/perl_toolkit_appliance_idx.html
http://www.vmware.com/support/developer/viperltoolkit/doc/perl_toolkit_guide_idx.html
http://communities.vmware.com/community/developer/utilities
http://www.vmware.com/support/developer/viperltoolkit/doc/utilityappsdoc/vmsnapshot.html