Un-Answered Questions { CGI Perl }

what is CPAN?

538


Write syntax to use grep function?

544


Write syntax to add two arrays together in perl?

534


What does the’$_’ symbol mean?

564


How can you call a subroutine and identify a subroutine?

497


In Perl, what is grep function used for?

517


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

525


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

500


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

529


What does -> symbol indicates in Perl?

555


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

476


Explain what is STDIN, STDOUT and STDERR?

534


Why Perl aliases are considered to be faster than references?

535


Does Perl have objects? If yes, then does it force you to use objects? If no, then why?

538


Difference between the variables in which chomp function work ?

592