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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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%^H

The %^H hash provides the same scoping semantic as $^H. This makes it useful for implementation of lexically scoped pragmas. See "How to write a user pragma" (perlpragma) in the Perl Library Reference Manual (Volume 1).

ISBN 9781906966027Perl Language Reference ManualSee the print edition