|Perl Language Reference Manual|
by Larry Wall and others
Paperback (6"x9"), 724 pages
RRP £29.95 ($39.95)
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Undefined subroutine called
(F) The anonymous subroutine you're trying to call hasn't been defined, or if it was, it has since been undefined.
|ISBN 9781906966027||Perl Language Reference Manual||See the print edition|