Image Directory and Header

 
ADD/CATALOG  				 Add one or more entries to a catalogue

COPY/DD					 Copy descriptors from one file to another

CREATE/CATALOG  			 Create a catalogue

DELETE/DESCRIPTOR			 Delete a descriptor

INFO/DESCRIPTOR				 Get type and size of descriptor

READ/DESCRIPTOR				 Read descriptors

RENAME/...				 Rename a frame

SORT/CATALOG  				 Sort entries in a catalogue

SUBTRACT/CATALOG  			 Remove an entry from a catalogue

WRITE/DESCRIPTOR 			 Write a descriptor