Describe how a sequential file containing information about a magazine’s subscribers could be constructed using a text file as the underlying structure. Design a technique by which a sequential file...

Describe how a sequential file containing information about a magazine’s subscribers could be constructed using a text file as the underlying structure. Design a technique by which a sequential file whose logical records are not a consistent size could be implemented as a text file. For example, suppose you wanted to construct a sequential file in which each logical record contained information about a novelist as well as a list of that author’s works.