Scope of Variables: Variables used in subroutines are global by default : Variable Scope « Language Basics « Perl

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

Java

Java Tutorial

Java Source Code / Java Documentation

Illustrator Tutorials

GIMP Tutorials

C# / C Sharp

C# / CSharp Tutorial

C# / CSharp Open Source

SQL Server / T-SQL Tutorial

Oracle PL / SQL

Oracle PL/SQL Tutorial

Flash / Flex / ActionScript

VBA / Excel / Access / Word

XML

XML Tutorial

Microsoft Office PowerPoint 2007 Tutorial

Microsoft Office Excel 2007 Tutorial

Microsoft Office Word 2007 Tutorial

Perl » Language Basics » Variable Scope

Scope of Variables: Variables used in subroutines are global by default


    



sub bye { 

   print "Bye $name\n"; 

   $name="Tom";

}

$name="Tom";

print "Hello to you and yours!\n";

&bye;

print "Out of the subroutine. Hello $name.\n";# $name is now Tom

&bye;

Related examples in the same category

1.	Auto local variable
2.	Local element
3.	Local variables.
4.	Forward Reference
5.	Uses the same name inside and outside a foreach statement.
6.	Creates a global variable $myvar and prints out the global instance of the variable and the package-specific variable:

www.java2java.com | Contact Us

All other trademarks are property of their respective owners.