October 2022
Beginner to intermediate
390 pages
7h 5m
Chinese
Content preview from Perl语言入门（第8版）
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12
｜
第
1
章
己用的小程序应该不在话下。我们对于每一个主题都不会深入到所有细节，会将有些主
题贯穿在几个章节中，结合相关内容做进一步介绍，你可以根据自己的需要选择。
我们希望读者至少能有一点基本的编程概念，并且确实是出于实际需要来学
Perl
语言
的。你应该至少用过命令行终端，编辑过文件，运行过一些哪怕不是用
Perl
写的程
序。你也应该知道变量、子程序等相关概念，而你现在要做的就是看看
Perl
是怎么做
的。
但这也绝不是说如果你从未接触过命令行程序，或者从来没写过一行代码，就一定会
茫然无措。第一次阅读这本书时，你可能会有些不太理解的东西，不过许多初学者在
使用这本书时只会碰到些小磕小绊的麻烦，其实关键在于不要一开始就担心那些你不
太明白的东西，只管专注于我们向你阐述的内容，以后你慢慢地就会明白。要成为经
验丰富的程序员还有很长的路要走，迈出第一步才是至关重要的。
我们希望你了解一些有关
Unicode
的知识，这样本书就不用讨论其中繁复的细节，专
注于问题本身。但作为基础铺垫，我们仍在附录
C
中稍加阐述。开始阅读正文前，你
可以先细读这部分内容，便于之后涉及相关概念时拿来参考。
我们已经包含了一个关于实验特性的附录（附录
D
）。一些令人兴奋的新事物等待着
你，但我们不会强迫你使用它们。只要有可能，我们将尝试向你展示如何以旧的无聊
方式做同样令人惊奇的事情。
而且，这不应该是你读过的唯一一本
Perl
图书。本书只是入门指引，无法包罗万
象。本书的目的是帮助你迈出第一步，走对路，接下来再读我们的其他书，比如 ...
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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.