References in Perl
Introduction
References allow the programmer to store an aggregate data structure in a simple variable, which can be passed around more easily, to represent complex, nested data structures, and also serve as the basis of Perl's object system.
Tutorials
perlreftut
The built-in references tutorial in the Perl 5 distribution. Also see the following documents:
- perlref - Perl References and Nested Data Structures
- perldsc - Perl Data Structures
- perllol - Perl Lists of Lists
#perlcafe chat log about Perl References
This is a log of the #perlcafe IRC channel where we tried to explain about references to an inexperienced programmer who had problems understanding their concept. It may prove useful for some insights.
Beginning Perl
Chapter 7 of "Beginning Perl" discusses references.
Perl for Perl Newbies Series
The second presentation in the series discusses references.