Un-Answered Questions { CGI Perl }

Explain what is lvalue?

597


Remove the duplicate data from @array=(“perl”,”php”,”perl”,”asp”)

610


What is the use of -n and -p options?

594


Suppose an array contains @arraycontent=(‘ab’, ‘cd’, ‘ef’, ‘gh’). How to print all the contents of the given array?

593


Mention the difference between die and exit in Perl?

648


How many types of operators are used in the Perl?

574


In Perl we can show the warnings using some options in order to reduce or avoid the errors. What are that options?

577


Where the command line arguments are stored and if you want to read command-line arguments with Perl, how would you do that?

679


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

563


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

620


Explain what is the scalar data and scalar variables in Perl?

555


How many types of primary data structures in Perl and what do they mean?

838


what are prefix dereferencer and list them out?

631


Who created perl?

522


How to turn on Perl warnings? Why is that important?

570