What is the use of command “use strict”?
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what are prefix dereferencer and list them out?
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What is the use of -t?
Explain lexical variables.
Explain the meaning of closure in perl.
what are the two ways to get private values inside a subroutine or block?
What does the q{ } operator do?
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.
Explain join function in perl?
How will you open a file in read-only mode in perl?
How many types of primary data structures in Perl and what do they mean?
What $! In perl?