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CGI Perl Interview Questions
Questions Answers Views Company eMail

what r the future opportunities in PERL/LINUX after 3 years ??

3 6933

What is the Common Gateway Interface?

2 5678

I have created a CGI-based page,after entering all the values in to the fields, How to get the output on the web browser using Perl

4 5395

How to find out the version of PERL being installed on your LINUX machine.

Mind Tree,

4 9291

What arguments do you frequently use for the Perl interpreter and what do they mean?

4 13512

What does the command "use strict" do and why should you use it?

Symphony, TCS,

2 15022

What do the symbols $ @ and % mean when prefixing a variable?

Barclays,

1 10573

What elements of the Perl language could you use to structure your code to allow for maximum re-use and maximum readability?

1 8659

What are the characteristics of a project that is well suited to Perl?

1 6942

Why do you program in Perl?

4 10594

Explain the difference between my and local?

2 8370

Explain the difference between use and require?

Aspire,

5 29778

What?s your favorite module and why?

3 9108

Write a simple regular expression to match an IP address, e-mail address, city-state-zipcode combination.

15 52426

What purpose does each of the following serve: -w, strict, - T ?

2 7311


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Un-Answered Questions { CGI Perl }

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