What is the use of -n and -p options?

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What is the closure in PERL?

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Explain perl one-liner?

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What are the benefits of perl in using it as a web-based application?

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What is the use of "stderr()"?

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package MYCALC; use Exporter; our @EXPORT = (); our @ISA = qw(Exporter); our @EXPORT_OK = qw(addition multi); our %EXPORT_TAGS = (DEFAULT => [qw(&addition)],Both => [qw(&addition & +multi)]); sub addition { return $_[0] + $_[1]; } sub multi { return $_[0] * $_[1]; } 1; Program: use strict; use warnings; my @list = qw (2 2); use Module qw(:DEFAULT); print addition(@list),"\n"; Above coding is my module MYCALC and the program which using this module, I have not exported any function using @EXPORT, but I have used the DEFAULT in %EXPORT_TAGS with the function addition, when I call this function from the main it says the error as,

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What are the options that can be used to avoid logic errors in perl?

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How do you open a file for writing?

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What interface used in PERL to connect to database? How do you connect to database in Perl?

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What does cgi program store?

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How to deleting an existing file in perl programming?

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What are the two ways to get private values inside a subroutine?

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