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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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That use of $[ is unsupported

(F) Assignment to $[ is now strictly circumscribed, and interpreted as a compiler directive. You may say only one of

$[ = 0;
$[ = 1;
...
local $[ = 0;
local $[ = 1;
...

This is to prevent the problem of one module changing the array base out from under another module inadvertently. See .

ISBN 9781906966027Perl Language Reference ManualSee the print edition