For a detailed narrative, see the identical method in
bigfiles.py: Section 8.11, “OldReport.genFiles():
Generate the report”.
# - - - O l d R e p o r t . g e n F i l e s - - -
def genFiles ( self ):
"""Generate the OldInfo objects in self.__oldList."""
for oldInfo in self.__oldList:
yield oldInfo
raise StopIteration