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Perl: For Beginners

by perl.j (Pilgrim)
on Jul 01, 2011 at 22:02 UTC ( #912417=perlquestion: print w/ replies, xml ) Need Help??
perl.j has asked for the wisdom of the Perl Monks concerning the following question:

I am totally new to Perl.

This is my first programming language. Is there anything I should know besides the basics? I think I got those down.

Comment on Perl: For Beginners
Re: Perl: For Newbies
by davido (Archbishop) on Jul 01, 2011 at 22:17 UTC

    If Perl is your first programming language, you should probably start with Learning Perl, published by O'Reilly & Associates. Frankly, I would probably suggest following that up with a book specifically on Computer Science. I wish I could recommend one, but I was in your shoes back in about 1981, and my 'upbringing' included high-school Computer Science classes (Apple II Basic, and then Pascal), Byte magazine, 1980's programming books, and later on, college Computer Science classes. So I really don't know what book to recommend anymore for Comp Sci. Knuth is going to be too deep for most mortals just starting out (and mostly even for professionals). ;)

    I do believe that after learning the basics of a specific language, learning the basic fundamentals of computer science is more important as a 'next step' than learning more advanced syntactical rules and tricks in said language.

    Once you get a bit of of the foundation laid in Computer Science, you can go back to the Perl books, such as Intermediate Perl (O'Reilly), as well as Mastering Algorithms with Perl (O'Reilly). That last book is pretty old (1999), but good algorithms don't change as quickly as languages themselves, so I feel it is still a valuable book to work through.

    One should never overlook the value of the Perl POD. perlintro, perlsyn, perlsub, perlreftut, perlretut, and so on. It's free, and it's great.

    After that, decide what it is that interests you and dig in! My home node contains a list of books that I have found useful over the years. Most of them are not read-once types of books. After an initial reading, I find them to be helpful when I need to dive back into a topic after some time has passed as well.

    Oh, and in case nobody else mentions it to you: Congratulations on asking a fantastic question. Welcome back to the Monastery any time.


    Dave

      Thank You Sooooo Much! This was a great help!

      Sorry, but my nearly-complete collection of Byte is not for sale.   :-D

      Yup, looking back, Professor Carl Helmers’ class was the very best one of all, and where I probably got most of my practical education.   It arrived in my mailbox every month and systematically got read to pieces during the next thirty-odd days.

Re: Perl: For Newbies
by GrandFather (Cardinal) on Jul 01, 2011 at 22:38 UTC
Re: Perl: For Newbies
by Anonymous Monk on Jul 02, 2011 at 01:44 UTC
Re: Perl: For Newbies
by luis.roca (Deacon) on Jul 02, 2011 at 03:27 UTC
    "I am totally new to Perl. This is my first programming language. Is there anything I should know besides the basics? I think I got those down."

    Welcome to Perl Monks!

    Perl is also my first programming language and after over a year and a half, I'm glad I made that choice. I was very fortunate to join the Monastery the day I decided to begin learning Perl. I spent the first several months going through many of the posts and tutorials. You'll enjoy your time here, get a lot out of it and meet some really great teachers — you've just met three in davido, Grandfather and (most of the time) Anonymous_Monk. :-)

    From one beginner to another here are a few suggestions on where to go from the basics:

    • Elements of Programming with Perl covers much of what is in Learning Perl and Intermediate Perl but differently. It's definitely geared towards students like you and I who have no prior programming experience and are beginning our education with Perl. It teaches you how to think about your problems while going through the Perl language. Each chapter covers a different topic and ends with a problem that the author breaks down in 'pseudo code' before translating it to Perl. The problems are 'real world', fun to do and expanded upon with questions at the end.
    • Perl Cookbook is a great book to grow with especially if you learn best by example. Each chapter covers a different topic in relatively bite sized chunks progressing from beginner to more advanced levels. For now you can just stick to the first example or two in each chapter moving on to more difficult ones as your skills and knowledge grow.
    • For fun: Gödel, Escher, Bach is a classic book that discusses a lot of common computer programming theories and shows how they are represented in music, art, math — basically all of life.

    As you are no doubt noticing there are A LOT of good Perl books and it can get overwhelming quickly. I would caution (slightly at least) against what I did in my first year of learning Perl and suggest focusing on no more than three books. ;-)

    Best of luck and I hope to see more of you in the coming weeks and months.

    Luis


    "...the adversities born of well-placed thoughts should be considered mercies rather than misfortunes." — Don Quixote

      You guys are a great help. Thank You for all of the information, books, etc.

      I am trying to absorb as much as possible so this was exactly what I needed

      Thanks Again
Re: Perl: For Beginners
by sundialsvc4 (Monsignor) on Jul 02, 2011 at 19:21 UTC

    One of the most peculiar and yet most important things to consider about “learning programming” is not the obstacle which presents itself to you from the very first moment of unfamiliarity, namely:   “where do all the punctuation marks go, and how do I make the damn thing compile?”   (Believe it or not, it merely takes practice.)   (And beer.)

    The true challenge to the beginning student is understanding how the capabilities of the computer, and of this-or-that programming language (oddly, it doesn’t matter so much “which one”), are applied to the solution of a particular problem.   This is why a programmer who might appear to be doing nothing at all, or who might have a penchant for taking long walks as I do, might actually be doing the very hardest work of the entire day.   Here is a machine, which can only do a very few things but which can do those very few things unbelievably fast, and we want to make it do ... this ... or that.   Given that there are no cut-and-dry answers, only a handful of well-worn paths ... how do you not only do it, but do it well?   How, indeed.   (And then one day you start poking around the other neighborhoods, where you stumble upon things like Prolog, or “R,” or Common Lisp, and you realize that there is no ending to this happy obsession of yours.   It’s like really good science-fiction, but in real life.)

    At the start, you are going to spend a lot of time wrestling with punctuation and syntax.   You are also going to have to deal with frustration ... as you will, mark my words, continue to have to do forevermore.   (It is the nature of the beast.)   But if you are at all like me, you will continue to find it endlessly challenging and (sometimes) rewarding.   I consider myself very fortunate to have turned what was the fascination of a six-year old kid, fully a decade and a half before the first practical “personal” computer existed, into a career that I still enjoy doing ... never-you-mind how-many years later.

    Welcome to the craft.   Please feel welcome, and welcomed, here.

      This was great advice. Truthfully I wanted to start doing this before I was a teenager (I don't like to disclose my exact age either LOL) but was always intimidated by all of the code.

      As I started actually jumping into Perl I realized this wasn't just easy (somewhat...I guess) but pretty fun. I am trying to absorb as much info as I can. I know I'm not gonna be the next Bill Gates or Steve Jobs (Or maybe I will...) but my goal is that by the end of my life I would like to come close to it.

      Thank You for the advice and thank EVERYONE THAT POSTED ANYTHING HERE for all of the great help!
Re: Perl: For Beginners
by Steve_BZ (Hermit) on Jul 16, 2011 at 12:58 UTC

    Hi pj,

    I use Perl by Example. It doesn't have such a great write-up, but I found it very helpful with exercises and examples.

    You imply in another post that you use perl/tk. I'm sure it's very fine. You might want to try wxPerl. It is object orientated and implemented in C++, Perl, Python, Ruby and on many platforms including Windows, Linux and Mac - sadly no iPad or Android yet, although I hope that will come. Also no real support for gesture programing, kinetic scroll or other touch-screen developments.

    Good luck.

    Regards

    Steve

      How did you learn wxPerl? I really can't find a good book/tutorial anywhere.
      perl.j-----A Newbie To Perl

        If you install Wx::Demo from cpan (it should install all your dependencies for you). Then run wxperl_demo.pl (it should be on your path). All code for each page displayed is shown to you. You can use this with one of the Hello world tutorials to get started.

        Good luck

        Steve

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