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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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Besides the obvious documents, source code can be instructive. Some pathological examples of the use of references can be found in the t/op/ref.t regression test in the Perl source directory.

See also "Perl Data Structures Cookbook" (perldsc) in Perl Tutorials and "Manipulating Arrays of Arrays in Perl" (perllol) in Perl Tutorials for how to use references to create complex data structures, and "Tom's object-oriented tutorial for perl" (perltoot) in Perl Tutorials, 16, and "Bag'o Object Tricks (the BOT)" (perlbot) in Perl Tutorials for how to use them to create objects.

ISBN 9781906966027Perl Language Reference ManualSee the print edition