Beginning Perl Programming: From Novice to Professional

© William "Bo" Rothwell of One Course Source, Inc. 2019

William "Bo" RothwellBeginning Perl Programminghttps://doi.org/10.1007/978-1-4842-5055-6_3

3. Array Variables

William “Bo” Rothwell¹ 

(1)

San Diego, CA, USA

 

Array Variables

Array variables are used to store lists (groups) of scalar data. The following describes important information about array variables:

• The variable starts with a “@” symbol (not a $ symbol like scalar variables).

• The variable name rules (start with an alpha or underscore character, use only alphanumeric & underscore chars) for scalar variables also apply to array variable names.

• Array sizes don’t have to be declared; Perl dynamically takes care of the size of the array.

• Individual scalar data within the array are referred to as ...