In this chapter, you are going to learn about log files. You will learn how to parse log files. You will also learn why you need to write exceptions in your programs. The different ways to parse different files are also important. You will also learn about ErrorLog and AccessLog. Finally, you will learn about how to parse other log files.

In this chapter, you will learn the following:

• Parsing complex log files
• The need for exceptions
• Tricks for parsing different files
• Error log
• Access log
• Parsing other log files