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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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%ENV

$ENV{expr}

The hash %ENV contains your current environment. Setting a value in ENV changes the environment for any child processes you subsequently fork() off.

ISBN 9781906966027Perl Language Reference ManualSee the print edition