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Basic perl syntax

I. Data Types(Data type): Perl has four data types: Scalar (variable), Scalar Array (Array), Hash Array (Hash), and References (pointer ), it seems to be rare, but it is more than enough to use it. Especially when writing Perl programs, you do not

Perl Basic Syntax Introduction _ Basics Tutorial

one. DataType (data type ):Perl's data types are roughly four: Scalar (variables), Scalar Array (array), hash array (hash), References (pointer), but they seem to be small but more than sufficient. In particular, you can write a Perl program without

Introduction to Perl syntax

Introduction to Perl syntax 1.PERL variables 1.1.Perl Variable Classification 1.2.Perl variables 1.2.1 Scalar variable 1.2.2 Array Variables 1.2.3 Scalar and array variables 1.2.4 Associative arrays 2

Introduction to Perl (1)

What is Perl? Perl is a free and open-source scripting language created by Larry Wall. This language is mainly intended for practical and rapid development, Structured Programming is incompatible with the popular object-oriented programming.

Learning Perl 4ed Reading Notes-Chapter3 lists and Arrays

1. List and array. The list mentioned in this book is a data structure. array is the data type used to store the list in Perl. In most cases, these two words can be exchanged, meaning the same. Unlike C, the Perl array does not need to define the

Perl Study Notes [not full version]

1. Simple Variables ============== 1. Integer$ X = 123456;Perl stores integer data in floating-point registers. In fact, integer variables are treated as floating-point numbers in Perl, but they are only a special column of floating-point data.The

[Perl learning] learning notes (continuously updated)

  Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ 1. Differences and relationships between Shell and PerlPerl is full of 10 thousand gold oil. It has implemented the functions of various system commands from its own interior, which is much more

Chapter 2 scalar data in Perl

Preface: Definition:The concept of singular and plural: Scalar is a single thing. perl uses scalar (the simplest data type in perl) to call a single thing. For most scalar values, it is either a number or a string composed of characters (perl does

Comparison of efficiency between C/C ++/perl/ASSEMBLY/Java

Incident I rummaged over the books that spread the case. These books are all about programming and system management. After so many years of working as a programmer, there have been countless projects and software. Every new friend asks me this

Getting Started with Perl (i) basic types and operators for Perl

Before studying the basics of Perl, we would like to have a chance to see the following Perl introduction. Baidu Encyclopedia First, basic types of Perl The basic type of per is divided into two types: numeric type and string type. Numeric types can

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