Using the => operator. : Hash Definition « Hash « Perl

1.	Array
2.	CGI
3.	Class
4.	Data Type
5.	Database
6.	File
7.	GUI
8.	Hash
9.	Language Basics
10.	Network
11.	Regular Expression
12.	Report
13.	Statement
14.	String
15.	Subroutine
16.	System Functions
17.	Win32
18.	XML

Perl » Hash » Hash Definition

Using the => operator.

    

#!/usr/bin/perl 



%weekday = ( 

    '01' => 'Mon', 

    '02' => 'Tue', 

    '03' => 'Wed', 

    '04' => 'Thu', 

    '05' => 'Fri', 

    '06' => 'Sat', 

    '07' => 'Sun', 

); 

$pointer = \%weekday; 

$i = '05'; 



printf '$$pointer{$i} is '; 

printf "$$pointer{$i} \n"; 

printf '${$pointer}{$i} is '; 

printf "${$pointer}{$i} \n"; 

printf '$pointer->{$i} is '; 



printf "$pointer->{$i}\n"; 



printf '${$pointer{$i}} is '; 

printf "${$pointer{$i}} \n"; 

printf '${$pointer->{$i}} is '; 

printf "${$pointer->{$i}}";

Related examples in the same category

1.	An associative array, called a hash, is an unordered list of key/value pairs, indexed by strings.
2.	Associative arrays or hashes
3.	Create hash from scalar variable
4.	Create hash with => operator
5.	Create hash with qw
6.	Create hash without using the quotation marks
7.	Creating and accessing hash elements
8.	Hash example
9.	Hashes: An associative array
10.	Mix scalar, list and hash
11.	Pass key and get value
12.	Setting values into a hash named %hash
13.	Empty hash
14.	Converting a hash into an array by simple assignment
15.	List context and hash context

java2s.com | Contact Us | Privacy Policy

All other trademarks are property of their respective owners.