What elements of the Perl language could you use to structure your code to allow for maximum re-use and maximum readability?

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What is hash?

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How will you get the count of parameters passed to a perl subroutine?

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Write an example explaining the use of symbol tables.

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What is a perl references?

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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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How to find the length of an array in perl?

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What purpose does each of the following serve: -w, strict, - T ?

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Explain subroutine?

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Explain lexical variables.

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how to extract pin_code,phone_number,year from text file using regular expressions in perl

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How to count no of occurrence of a unique patterns in perl?

4 Answers   Ness Technologies,

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