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CGI Perl Interview Questions
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How does polymorphism work in perl? Give an example.

 472

Explain perl. When do you use perl for programming?

 437

Explain perl one-liner?

 505

Show the use of sockets for the server and client side of a conversation?

 466

What is the importance of perl warnings?

 528

You want to open and read data files with perl. How would you do that?

 494

How and what are closures implemented in perl?

 480

Explain lists ?

 522

There are some duplicate entries in an array and you want to remove them. How would you do that?

 489

Explain splicing of arrays?

 507

What are the options that can be used to avoid logic errors in perl?

 513

You want to concatenate strings with perl. How would you do that?

 467

What are prefix dereferencer? List them.

 554

You want to read command-line arguements with perl. How would you do that?

 491

Explain cpan?

 523

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Un-Answered Questions { CGI Perl }

“The methods defined in the parent class will always override the methods defined in the base class”. What does this statement means?

524

What interface used in PERL to connect to database? How do you connect to database in Perl?

523

what are prefix dereferencer and list them out?

631

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

560

How can information be put into hashes?

525




How to deleting an existing file in perl programming?

490

How do you you check the return code of a command in perl?

568

What is the use of "stderr()"?

563

Explain use of ‘my’ keyword in perl?

563

How can arrays be tied?

511

What is a perl references?

516

If you want to empty an array then how would you do that?

559

Explain chomp?

507

How are parameters passed to subroutines in perl?

495

Explain lexical variables.

506

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