19.2 The dir Command
pspp-output [options] dir file
Prints on stdout a table of contents for SPV file file. By default, this table lists every object in the file, except for hidden objects. See Input Selection Options, for information on the options available to select a subset of objects.
The following additional option for dir is intended mainly for use by PSPP developers:
--member-names
Also show the names of the Zip members associated with each object.