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CGI Perl Interview Questions
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In CPAN module, name an instance you use.

 539

what is the function of Return Value?

 561

what is CPAN?

 545

Write syntax to use grep function?

 550

Write syntax to add two arrays together in perl?

 541

What does the’$_’ symbol mean?

 569

How can you call a subroutine and identify a subroutine?

 500

In Perl, what is grep function used for?

 525

In Perl, there are some arguments that are used frequently. What are that arguments and what do they mean?

 530

what are the two ways to get private values inside a subroutine or block?

 506

How can you use Perl warnings and what is the importance to use them?

 534

What does -> symbol indicates in Perl?

 559

Which feature of Perl provides code reusability ? Give any example of that feature.

 1 1758

For a situation in programming, how can you determine that Perl is a suitable?

 482

Explain what is STDIN, STDOUT and STDERR?

 539

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Un-Answered Questions { CGI Perl }

How many loop control keywords are there in perl?

557

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

566

Explain the execution of a program in perl.

500

How can information be put into hashes?

531

Explain arrays in perl.

516




How and what are closures implemented in perl?

488

What is subroutine in perl?

524

How does polymorphism work in perl?

516

What is the importance of perl warnings?

533

Why we use CGI?

2111

How do I sort a hash by the hash key?

567

What does -> symbol indicates in Perl?

559

What are the different types of perl operators?

528

Define perl scripting?

573

How to know whether a key exists or not in perl?

530

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