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Explain the difference between "my" and "local" variable scope declarations. ?


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Explain the internal working of cgi

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Consider the following example #! /bin/perl use strict; sub sample { my @arr=(1,2,3,4); return @arr; } my ($a,$b,$c,$d) = &sample; print "$a\n$b\n$c\n$d\n"; In the above code, How can I get the $c without using the arguments such as $a,$b. I don't want to use any array to get the return values.

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What is the difference between having a parenthesis after module name and without parenthsis after module name?? i.e Package::Module(); and Package::Module;

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