explain the various functions/directives in perl that allow you to include/import a module. Also, state the differences between them.
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There are two types of eval statements i.e. Eval expr and eval block. Explain them.
What is boolean context?
How to know whether a key exists or not in perl?
Suppose an array contains @arraycontent=(‘ab’, ‘cd’, ‘ef’, ‘gh’). How to print all the contents of the given array?
what is CPAN?
What are scalar data and scalar variables?
Show the use of sockets for the server and client side of a conversation?
How many data types are there in perl?
You want to open and read data files with perl. How would you do that?
How to access parameters passed to a subroutine in perl?
Consider the following example #! /bin/perl use strict; sub sample { my @arr=(1,2,3,4); return @arr; } my ($a,$b,$c,$d) = &sample; print "$a\n$b\n$c\n$d\n"; In the above code, How can I get the $c without using the arguments such as $a,$b. I don't want to use any array to get the return values.
What is the difference between exec and system?