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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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Useless use of sort in scalar context

(W void) You used sort in scalar context, as in :

my $x = sort @y;

This is not very useful, and perl currently optimizes this away.

ISBN 9781906966027Perl Language Reference ManualSee the print edition