Perl rand Function


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Description

This function returns a random fractional number between 0 and the positive number EXPR, or 1 if not specified. Automatically calls srand to seed the random number generator unless it has already been called.

Syntax

Following is the simple syntax for this function −

rand EXPR

rand

Return Value

This function returns a Floating point number.

Example

Following is the example code showing its basic usage −

#!/usr/bin/perl -w

# print a random number between 0 and 10.
print("Random Number:", rand(10), "\n");

When above code is executed, it produces the following result −

Random Number:2.2592476087539


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