Distinguish my and local?

911

Explain splicing of arrays?

865

Explain grooving and shortening of arrays?

1030

Explain chomp, chop, cpan, tk.

880

Write an example explaining the use of symbol tables.

904

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

859

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

891

What is a chop() function in perl?

953

I have one question regarding to eval function. I know eval function is use for error checking but I am not able to understand below line. eval \'exec perl -S $0 ${1+\"$@\"}\' if 0; $0 for script name $@ set if error occur

1991

Explain tk?

911

What is the use of -t?

908

What is perl I used for?

905

Explain the difference between declarations of 'my' and 'local' variable scope in perl?

871

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,

2622

Write a program to concatenate the $firststring and $secondstring and result of these strings should be separated by a single space.

1006