Adding 10 to an undefined variable : Variable « Language Basics « Perl

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Perl » Language Basics » Variable

Adding 10 to an undefined variable


    





$undefAdd = 10 + $undefNumber;

print "Adding 10 to an undefined variable:  $undefAdd\n";



print "Printing an undefined variable:      $undefVariable(end)\n";

Related examples in the same category

1.	Variables and Arrays
2.	Assign value to a variable without declaration
3.	Assign a number to a single variable
4.	Assign new value to string variable
5.	Assign text to a single variable
6.	If variable defined
7.	Declare three variables in one statement
8.	Guess My Number
9.	Lexical variables
10.	Modifying a Variable
11.	Numeric Literals
12.	Perl variables
13.	Scalar, array, and hash output
14.	undef a variable
15.	Using defined.
16.	Stick with one variable and modify its value

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