What $! In perl?

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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 is lexical variable in perl?

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What is 'rollback' command in perl?

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What is the difference between having a parenthesis after module name and without parenthsis after module name?? i.e Package::Module(); and Package::Module;

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What does undef function in perl?

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Give an example of the -i and 0s option usage.

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What can be done for efficient parameter passing in perl?

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How to close a directory in perl?

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my @array=('data1','data2'); my @array1=('data1','data2'); my ($i,$k); $i=7; $k=7; while($i){ $array [++$#array] = 'ree'; $i--; print "@array"; } while($k){ push(@array1,'ree'); $k--; print "@array1"; } Are these two while loop are doing the same functionality ? What may be the difference?

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What does redo statement do in perl?

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Name an instance where you used a CPAN module?

3 Answers   IBM, TCS,

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