perl 2 dimensional array

Want to know perl 2 dimensional array? we have a huge selection of perl 2 dimensional array information on

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

Beginning Perl Reading Notes ~ Chapter 13

Chapter 2: References References are declared as scalar types (named variables starting with $), and reference is obtained using the \ operator. Modifying the referenced variable is equivalent to modifying the reference pointing to the

24 hours of Perl programming course questions

24 hours of Perl programming course questionsI. multiple choice questions1. Which of the following strings is incorrectly defined ()(1) 'Thank you'(2 )""(3) "A" friend "of yours"(4) "A/" friend/"of yours"2. Which of the following statements is

Basic Perl learning Memorandum

1. Perl array (1 ): 1) initialize the array @ array = ("stringA", "stringB", "stringC ");2) print $ array [-1]; # output the stringC with the index (-1 + 3) % 3 = 23) dynamic growth $ array [4] = "stringD"; # Although $ array [3] is not used yet, it

Perl basic Memorandum

1. Perl array (1): 1) initialize the array @ array = ("stringa", "stringb", "stringc "); 2) Print $ array [-1]; # output the stringc with the index (-1 + 3) % 3 = 2 3) dynamic growth $ array [4] = "stringd"; # Although $ array [3] is not used

Perl Learning Basic Memo _perl

1.Perl Array (1): 1 Initialize the array @array = ("Stringa", "StringB", "STRINGC");(2) using negative index loop to retrieve print $array [-1]; #输出索引为 (-1 + 3)% 3 = 2 STRINGC3 Dynamic growth $array [4] = "STRINGD"; #虽然 $array [3] has not yet been

Introduction to the creation and reference of Perl hashes _perl

GrammarThere are only two ways to create ' references ', and they are two. Creating references Create Rule 1If you add a '/' number in front of a variable, you get a ' reference ' to the variable. $aref =/@array; # $aref Keep a ' reference ' to

Perl-create and reference a hash

Syntax There are only two ways to create a 'quot. Create reference Create Rule 1If you add a '/' sign before a variable, you will get the 'quota' of the variable '. $ Aref = // @ array; # $ Aref saves the 'quot' pointing to @ Array'$ Href =/% hash;

Perl function Set Summary _perl

Process processing functions 1. Process Start functionFunction name EvalCall Syntax eval (string)The commentary considers a string as a Perl statement execution.When executed correctly, the system variable $@ is an empty string, and if there is an

Perl built-in special Variables

I. Special variables of Regular Expressions:1. $ N: contains the nth substring of the last pattern match.2. $ &: String matched in the previous successful mode3. $ ': Content Before the successful substring4. $ ': content after the child string that

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