Using the Debugger: A Simple Example

Probably the best way to see how Perl's debugger works is to show you an example of a typical use of the debugger. For this example, we'll step through the execution of a simple script that contains subroutines—the names script from Day 6, which reads in a list of names, prompts you for something to search for, and returns the names that match that search key.

When you run a script with the Perl debugger turned on, you'll end up inside the debugger itself, which looks something like this:

% perl
						-d statsdata.txt

Loading DB routines from version 1.01
Emacs support available.

Enter h or `h h' for help.

main::(       &initvars();


Don't worry about starting the ...

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