What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?
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Explain about the applications of perl?
How many types of operators are used in the Perl?
How do find the length of an array?
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 warn function in perl?
while(my($key, $value) = each(%hash) ) { print "$key => $value\n"; } my($key, $value); while(($key, $value) = each(%hash) ) { print "$key => $value\n"; } What is the different between these two code in case of "my" usage ?
How to turn on Perl warnings? Why is that important?
What are the advantages of perl programming?
What does read () command do?
If you want to empty an array then how would you do that?
List the prefix dereferencer in Perl.
What are the advantages of programming in perl?