Which feature of perl provides code reusability?
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What is the difference between exec and system?
How do I replace every character in a file with a comma?
What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?
What are the characteristics of a project that is well suited to Perl?
How to compare two strings in perl?
What is the difference between perl array and perl hash?
What do the symbols $ @ and % mean when prefixing a variable?
What is the use of strict?
What is the use of 'ne' operator?
What is Perl?
Explain what is the scalar data and scalar variables in Perl?
Write a program to concatenate the $firststring and $secondstring and result of these strings should be separated by a single space.