CSci 211: File Systems
Fall Semester 1996
Assignment #2

Due Date

Due Monday, 30 September, 1996, 2:30 p.m.

Note: Because it is my understanding that system sunset will be down for an upgrade over the 20-22 September weekend and because of the exam on 18 September, I have changed the due date for Assignment #2 to Monday, 30 September.

You should attempt this assignment as soon as possible to prepare for the first examination in the class.

Description

Design, implement, and test a Java program as described below.

The program has two "arguments". These "arguments" may either be taken from the command line or the program may prompt the user for them (e.g., using Console).

1. the URL of an HTML file,
2. a filename.

The program must:

• read the text from the HTML file on the given URL (1),
• identify all hypertext reference URLs appearing in the document,
• print all the hypertext reference URLs to the file with the given filename (2),
• count the number of hypertext references and, at the end, print the count to the screen.

For example, if the following appears in the HTML input file,

        <a href="referenceURL">

        referenceURL

As a development procedure, you may first want to write and test a program to read the text from a file. Once that is working, you can modify it to read from the Web URL.

Submitting Your Assignment

Once you have completed the program:

• make sure that you have included appropriate comments in the source code,
• print a listing of the source code to turn in to Professor Cunningham by the due date,
• email a copy of the source code to cs211@hal.cs.olemiss.edu. If your program consists of more than one file, please concatenate them together with comments labelling the parts.

Challenges

If you want an extra challenge, consider the following extensions to the basic assignment.

• Extend the program to accept several URLs and print all of the hypertext references into the single output file.
• Extend the program to print the contents of the hypertext reference URLs in the output file.

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