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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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Illegal declaration of anonymous subroutine

(F) When using the sub keyword to construct an anonymous subroutine, you must always specify a block of code. See 8.

ISBN 9781906966027Perl Language Reference ManualSee the print edition