Explain the internal working of cgi
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What are stdin, stdout and stderr?
Which feature of Perl provides code reusability ? Give any example of that feature.
How and what are closures implemented in perl?
Explain chomp, chop, cpan, tk.
What does init 5 and init 0 do?
what is Polymorphism in Perl?
What is hash?
Explain string comparison operators in perl.
What are numeric operators in perl?
What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?
What is the use of –w?
How do you debug a Perl scripting ( at the compile time error or run time error) in Unix environment ?