http://qs1969.pair.com?node_id=635

Current Perl documentation can be found at perldoc.perl.org.

Here is our local, out-dated (pre-5.6) version:

Use references (documented in the perlref manpage). Examples of complex data structures are given in the perldsc manpage and the perllol manpage. Examples of structures and object-oriented classes are in the perltoot manpage.