What are the various advantages and disadvantages of perl?
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How do I sort a hash by the hash key?
How do you find the length of an array?
Explain join function in perl?
Explain returning values from subroutines?
What is the difference between use and require in perl programming?
Write a program to concatenate the $firststring and $secondstring and result of these strings should be separated by a single space.
What does file test operators do in perl?
How to check the status of airplane mode (enable/disable) in perl for Android mobile?
Explain tk?
When does circular reference occur?
Consider the following example #! /bin/perl use strict; sub sample { my @arr=(1,2,3,4); return @arr; } my ($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 qq (double q)operator in perl?