Learning Perl
著者
書誌事項
Learning Perl
(A nutshell handbook)
O'Reilly, 2001
3rd ed
大学図書館所蔵 全10件
  青森
  岩手
  宮城
  秋田
  山形
  福島
  茨城
  栃木
  群馬
  埼玉
  千葉
  東京
  神奈川
  新潟
  富山
  石川
  福井
  山梨
  長野
  岐阜
  静岡
  愛知
  三重
  滋賀
  京都
  大阪
  兵庫
  奈良
  和歌山
  鳥取
  島根
  岡山
  広島
  山口
  徳島
  香川
  愛媛
  高知
  福岡
  佐賀
  長崎
  熊本
  大分
  宮崎
  鹿児島
  沖縄
  韓国
  中国
  タイ
  イギリス
  ドイツ
  スイス
  フランス
  ベルギー
  オランダ
  スウェーデン
  ノルウェー
  アメリカ
内容説明・目次
内容説明
Perl began as a tool for Unix system administrators, used for countless small tasks throughout the workday. It has since blossomed into a full-featured programming language on practically every computing platform, and is used for web programming, database manipulation, XML processing, and (of course) system administration - all the while remaining a tool for the small daily tasks it was designed for. The third edition of "Learning Perl" has not only been updated for Perl 5.6, but has also been rewritten to reflect the needs of programmers learning Perl in the 21st century. It includes an expanded and more gently-paced introduction to regular expressions, new exercises and solutions designed so readers can practise what they've learned while it is still fresh in their minds.
目次
Preface. 1. Introduction Questions and Answers What Does "Perl" Stand For? How Can I Get Perl? How Do I Make a Perl Program? A Whirlwind Tour of Perl Exercises. 2. Scalar Data What Is Scalar Data? Numbers Strings Perl's Built-in Warnings Scalar Variables Output with print The if Control Structure Getting User Input The chomp Operator The while Control Structure The undef Value The defined Function Exercises. 3. Lists and Arrays Accessing Elements of an Array Special Array Indices List Literals List Assignment Interpolating Arrays into Strings The foreach Control Structure Perl's Favorite Default: Scalar and List Context in List Context Exercises. 4. Subroutines System and User Functions Defining a Subroutine Invoking a Subroutine Return Values Arguments Private Variables in Subroutines The local Operator Variable-length Parameter Lists Notes on Lexical (my) Variables The use strict Pragma The return Operator Exercises. 5. Hashes What Is a Hash? Hash Element Access Hash Functions Typical Use of a Hash Exercises. 6. I/O Basics Input from Standard Input Input from the Diamond Operator The Invocation Arguments Output to Standard Output Formatted Output with printf Exercises. 7. Concepts of Regular Expressions What Are Regular Expressions? Using Simple Patterns A Pattern Test Program Exercises. 8. More About Regular Expressions Character Classes General Quantifiers Anchors Memory Parentheses Precedence Exercises. 9. Using Regular Expressions Matches with m// Option Modifiers The Binding Operator, =~ Interpolating into Patterns The Match Variables Substitutions with s/// The split Operator The join Function Exercises. 10. More Control Structures The unless Control Structure The until Control Structure Expression Modifiers The Naked Block Control Structure The elsif Clause Autoincrement and Autodecrement The for Control Structure Loop Controls Logical Operators Exercise. 11. Filehandles and File Tests What Is a Filehandle? Opening a Filehandle Fatal Errors with die Using Filehandles Reopening a Standard Filehandle File Tests Exercises. 12. Directory Operations Moving Around the Directory Tree Globbing An Alternate Syntax for Globbing Directory Handles Recursive Directory Listing Exercises. 13. Manipulating Files and Directories Removing Files Renaming Files Links and Files Making and Removing Directories Modifying Permissions Changing Ownership Changing Timestamps Using Simple Modules Exercises. 14. Process Management The system Function The exec Function The Environment Variables Using Backquotes to Capture Output Processes as Filehandles Getting Down and Dirty with Fork Sending and Receiving Signals Exercises. 15. Strings and Sorting Finding a Substring with index Manipulating a Substring with substr Formatting Data with sprintf Advanced Sorting Exercises. 16. Simple Databases DBM Files and DBM Hashes Manipulating Data with pack and unpack Fixed-length Random-access Databases Variable-length (Text) Databases Exercises. 17. Some Advanced Perl Techniques Trapping Errors with eval Picking Items from a List with grep Transforming Items from a List with map Unquoted Hash Keys More Powerful Regular Expressions Slices Exercise. A. Exercise Answers. B. Beyond the Llama. Index
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