CGI Perl Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

CGI Perl Interview Questions

Questions Answers Views Company eMail

how to connect cisco switch uisng perl script

ABC,

3847

Assuming both a local($var) and a my($var) exist, what's the difference between ${var} and ${"var"}?

986

If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?

1014

Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical?

926

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

1202

What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.)

944

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

989

What's the difference between /^Foo/s and /^Foo/?

1186

When would `local $_' in a function ruin your day?

953

Why aren't Perl's patterns regular expressions?

1169

Why is it hard to call this function: sub y { "because" } ?

962

How do I replace every character in a file with a comma?

988

Which of these is a difference between Perl and C++ ?

1052

How do I sort a hash by the hash value?

929

How do I sort a hash by the hash key?

920

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Un-Answered Questions { CGI Perl }

Which functions in perl allows you to include a module file.

1000

How can you define “my” variables scope in Perl and how it is different from “local” variable scope?

1132

What are the logical operators used for small scale operations? Explain them briefly.

988

How would you ensure the re-use and maximum readability of your perl code?

938

What are the arguements we normally use for perl interpreter?

964

What does a die() function do in perl?

980

what are steps to do to lock the sony ericsson mobile with password?

2205

Explain different types of perl operators.

941

Write a program to download the contents from www.perlinterview.com/answers.php website in Perl.

893

What is the use of now constructor in perl?

972

What is the main function of cookie server?

1086

When do you use perl programming?

1004

What is perl scripting?

945

How do I pass a command line argument in perl?

978

Is perl compiler or interpreter?

943

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