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Chapter 33. DEBUGGING

IN THIS CHAPTER

Writing Good Code

Using the Lingo Debugging Tools

Using the Watcher

Testing Your Code

Source movies for this chapter can be found on the CD-ROM in the “Book Movies” folder under folder 33.

If you create a Director movie that has more than a few lines of Lingo in it, chances are that you will have to do some debugging. This means, literally, getting rid of bugs. Bugs can be as obvious as error messages generated by a faulty Lingo line, or as vague as “something just not working right.”

The reason program errors are called “bugs” is that the first bug was actually, well, a bug. An early computer produced an error when a moth flew in and short-circuited it. The name stuck.



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