August 2018
Beginner to intermediate
382 pages
7h 14m
Chinese
Content preview from Perl语言入门
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1
前言
欢迎阅读《
Perl
语言入门》第七版，此版本根据
Perl 5.24
及其后续版本的新特性而更
新。即使你还在用
Perl 5.8
（这个版本已经发布很久了，你没想过升级？），本书仍
然是你的最佳选择。
我们希望你在购买本书之前阅读前言，因为有一个历史遗留问题可能造成混淆。还有
另外一种语言
Perl 6
，在开始设计的时候是希望将它作为
Perl 5
的新版，但人们渐渐
地发现它有很多特性都变了，基本上成了一种新语言，所以不再改名字，直接用
Perl
6
指代这种新语言。目前，
Perl 5
应该是你想要学习的语言，它被广泛安装在各种操
作系统中，如果我们只是说“
Perl
”，那么默认指的就是
Perl 5
。
假如你正在寻找用
30
到
45
小时就能掌握
Perl
语言编程的最佳方式，那么你已经找
到了！在后面的章节里，我们会精心安排入门指引，介绍这个在互联网中担负重任的
程序语言。它也是备受全世界的系统管理员、网络黑客以及聪明随性的程序员所青睐
的编程语言。我们是按照线下授课的纲要设计本书的，所以基本上一周左右的时间就
能学完，然后上手。
我们不可能只花几小时就把
Perl
的全部知识传授给你，会这么保证的书大概都撒了一
点谎。相对地，我们谨慎甄选了
Perl
中完整且实用的部分供你学习。这些材料足以编
写
128
行以内的小程序，而大约
90%
的
Perl
程序都不需要超过这个长度的篇幅。当
你准备继续深入时，建议阅读《
Intermediate Perl
》这本书，该书涵盖了许多本书略去
不讲的深入部分。此外我们还会纳入许多相关的知识点，方便读者延伸阅读和学习。 ...
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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.