Answer Posted / satish

Hi i got job in PERL/LINUX.
please guide me if i will have good opportunities
economically and workwise after 3 years.

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

998

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What is the use of 'ne' operator?

1053

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How do you give functions private variables that retain their values between calls?

1008

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How can arrays be tied?

964

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Why Perl aliases are considered to be faster than references?

1004

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what is perl language?

977

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What does this symbol mean '->'?

1080

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Explain the arguments for perl interpreter.

1341

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Explain chop?

966

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What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?

1043

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How will you get the count of parameters passed to a perl subroutine?

997

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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,

2734

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Comment on the scope of variables in perl.

968

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What $! In perl?

1028

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What is it meants by '$_'?

951

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