What is the use of now constructor in perl?

331

What is the use of –w?

324

Which feature of perl provides code reusability?

350

What is the usage of -i and 0s options?

350

How do I print the entire contents of an array with Perl?

327

How and what are closures implemented in perl?

300

Comment on data types and variables in perl.

332

What does Perl do if you try to exploit the execve(2) race involving setuid scripts?

323

How to replace perl array elements?

334

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,

1922

What does `$result = f() .. g()' really return?

365

What does this symbol mean '->'?

308

Explain what is STDIN, STDOUT and STDERR?

336

List the files in current directory sorted by size ?

343

How to check the status of airplane mode (enable/disable) in perl for Android mobile?

2381