教程列表：

Perl:01 Introduction

Learning Perl:02 Scalar Data

Perl:03 Lists and Arrays

perl：04 Subroutines

perl:05 Input and Output

Perl:06 Hashes

Perl：07 In The World of Regular Expressions

perl ：08 Matching with Regular Expressions

Perl：09

Perl:10More Control Structures

Perl11  Perl Modules

perl:13 Directory Operations

perl: 14 File Operations

perl:15 Strings and Sorting

perl:16 Process Management

perl:17 In The Llama Book and More