Answer Posted / archana

http://perldoc.perl.org/index-functions.html

this page having all funtions in perl

Demonstrate subroutines in perl with a simple example.

919

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What is subroutine in perl?

992

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How to know whether a key exists or not in perl?

1021

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What does delete function do in perl?

1047

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Explain the different types of data perl can handle.

945

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what is the function of Return Value?

1123

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Does Perl have reference type?

1011

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How to read multi lines from a file in perl?

975

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What does file test operators do in perl?

987

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What are the steps involved when the cgi program starts running?

963

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What package you use to create a windows services?

930

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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,

2730

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What does this symbol mean '->'?

1078

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How do you turn on the perl warnings?

966

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What is the use of strict?

999

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