Answer Posted / shanth

123eng.com,File guru.com

What syntax is used for grep() function?

1189

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How to disable the mod_perl from apache_server as i have used perlfect search on the site and its pagination is not working and the remedy is to disable the mod_perl.

2234

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Explain string comparison operators in perl.

1014

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Explain lexical variables.

957

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What is the closure in PERL?

1028

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How would you ensure the re-use and maximum readability of your perl code?

939

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How to implement a stack in Perl?

1030

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Explain ivalue?

1012

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You want to open and read data files with perl. How would you do that?

882

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What is perl I used for?

965

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What is the tk module?

959

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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,

2683

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What is the difference between use and require in perl programming?

943

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What does redo statement do in perl?

1049

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Why -w argument is used with perl programs?

985

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