Beginning Perl

Beginning Perl

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You can understand why it prints 5 for wheel, but why 1 for the array and 3 for the hash? The mylength() with a $ prototype ... in the \ [] prototype syntax. This tells Perl to pass a single scalar or array or hash as a reference to the subroutine. sub anbsp;...

Title:Beginning Perl
Author:Curtis Poe
Publisher:John Wiley & Sons - 2012-09-27


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