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Perl Pocket Reference, Fifth Edition

Perl Pocket Reference, Fifth Edition

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Contents

Table of Contents

Ch. 1. Perl Pocket Reference

Conventions used in this book

Embedded Documentation

Quotes and Interpolation

Operators and Precedence

Packages and Modules

Pragmatic Modules

Special Subroutines

Object-Oriented Programming

Special Classes

Arithmetic Functions

Conversion Functions

Structure Conversion

String Functions

Array and List Functions

Regular Expression Patterns

Search and Replace Functions

File Operations

File Test Operators

Input and Output

Formatted Printing

Directory Reading Routines

System Interaction

Tying Variables

Information from System Databases

Special Variables

Environment Variables

Appx. A. Command-Line Options

Appx. B. The Perl Debugger

Appx. C. Perl Links

URL

Help

1.21. Structure Conversion

pack template, list: Packs the values in list into a sequence of bytes, using the specified template. Returns this sequence as a string.
unpack template, expr†: Unpacks the sequence of bytes in expr into a list, using template.

template is a sequence of characters as follows:

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