June 2005
Beginner
480 pages
10h 31m
English
Content preview from SAMS Teach Yourself Perl in 24 Hours THIRD EDITIONBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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What Is the Debugger?
The Perl debugger is a built-in feature of the Perl interpreter. It allows you to take any Perl program and step through that program statement by statement. Along the way, you can examine variables, change them, let the program run for a while longer, interrupt the program, or start it over again.
From your program's perspective, nothing is different. Input still comes from the keyboard, and output still goes to the screen. The program doesn't know when it's stopped or when it's running. In fact, you can examine your program's workings without disturbing them at all.
Starting the Debugger
If you are a Macintosh user running Perl, to use the debugger you need only select Debugger from the Script menu, and a Debugger window ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.