Un-Answered Questions { CGI Perl }

Explain what is lvalue?

605


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

621


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

605


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

602


Mention the difference between die and exit in Perl?

659


How many types of operators are used in the Perl?

585


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

591


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

689


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

579


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

627


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

569


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

848


what are prefix dereferencer and list them out?

641


Who created perl?

531


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

583