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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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% may not be used in pack

(F) You can't pack a string by supplying a checksum, because the checksumming process loses information, and you can't go the other way. See .

ISBN 9781906966027Perl Language Reference ManualSee the print edition