Increment and Decrement Operations : Arithmetic Operators « Language Basics « Perl

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Perl » Language Basics » Arithmetic Operators

Increment and Decrement Operations

   





#! /usr/local/bin/perl  

$a=15;  

$b = ++$a -15;  

$c = $a++ - 15; 



print "The increment operation occurs first on the left side\n"; 

print "$b = ++$a - 15 results in $b equal ";    

print "$b\n";    

print "The increment operation occurs after other operations when on the right side\n";

print "$c = $a- - 15 results in $c equal ";

print "$c\n";

Related examples in the same category

1.	Demonstrates the difference between pre- and postincrement
2.	Adding a number and a string
3.	You can combine operators such as +, -, and * with the assignment operator
4.	Power with **
5.	Minus power
6.	Float power
7.	Left shift
8.	After incrementing
9.	After pre-increment: ++$a * 2
10.	After pre-decrement
11.	Using auto-increment operator for a string with digits
12.	Using auto-increment operator for a string
13.	A program that uses the pre-increment operation.
14.	Post-increment operation.
15.	Operators demo: Arithmetic Operators
16.	Precedence and Associativity
17.	Add 3 to $var; same as $var=$var+3
18.	Subtract 1 from $var
19.	Square $var
20.	Modulus operator
21.	Arithmetic Operators in action
22.	Autoincrement and Autodecrement Operators and Assignment
23.	Numeric Operators
24.	Use parentheses wherever possible to force precedence.
25.	Remainder and power
26.	To force perl to perform an operation of lower precedence first, use brackets
27.	An example of exponentiation
28.	%, the remainder, or 'modulo' operator
29.	The autoincrement operator
30.	Basic Numeric Operations
31.	Increment and Decrement Operators
32.	Basic arithmetic operators.
33.	Built-in Perl Arithmetic Functions
34.	Pre-increment string value

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