What does redo statement do in perl?
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What are the different types of perl operators?
Explain string comparison operators in perl.
What is automatic error handling in perl?
What is perl push array function?
What is caller function in perl?
What is perl unshift array function?
There are some duplicate entries in an array and you want to remove them. How would you do that?
What does the q{ } operator do?
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,
How do I print the entire contents of an array with Perl?
If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?
Explain the different types of data perl can handle.