Multiple values for various options

[bondjimbond]

It would be nice to be able to specify more than one value for some options.

e.g. If I want to find objects that have both the OBJ and JP2 datastreams, I need multiple choices for --with_dsid.

If I want to limit those to certain namespaces, I need multiple choices for --namespace.

Challenge: Boolean operators needed. When stringing together multiple values for a single option, natural human expectations would be different for different options. e.g. if I'm putting together multiple values for --with_dsid, I want OBJ AND JP2. But with multiple values for --namespace, I want doh OR osoyoos OR arms. Best choice would be to specify.

Question: Do some of these options already allow multiple values? If so I can't find where the usage is described.