Here you can see the main window. In the top frame you can see the catalogs that are availible. The left botton is the directory tree. The blue folders are zip files. The right bottom frame contains the files of the directory/zip file.

Screenshot 1
screenshot 1

Here you can see the search result window. I searched on eas*.zip and diskcat found 15 files. The searchresult contains the filename, the catalog (disk) and the directory on the disk.

Screenshot 2
screenshot 2