What is use of ‘->’ symbol?
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What does undef function in perl?
When does circular reference occur?
What is an interpolation in perl?
How do you set environment variables in perl?
How to turn on Perl warnings? Why is that important?
What is the difference between exec and system?
Write a script to reverse a string without using perl's built in functions?
What is eval function in perl?
Explain use of ‘my’ keyword in perl?
Explain goto label, goto name, and goto expr?
How does a “grep” function perform?
Write a script to reverse a string without using Perl's built in function