Un-Answered Questions { CGI Perl }

Explain what is lvalue?

599


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

614


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

598


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

597


Mention the difference between die and exit in Perl?

654


How many types of operators are used in the Perl?

578


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

585


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

683


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

569


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

624


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

564


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

845


what are prefix dereferencer and list them out?

633


Who created perl?

524


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

576