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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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-E commandline

behaves just like -e, except that it implicitly enables all optional features (in the main compilation unit). See "Perl pragma to enable new features" (feature) in the Perl Library Reference Manual (Volume 1).

ISBN 9781906966027Perl Language Reference ManualSee the print edition