Perl Interview Questions

1. What is Perl and why is it useful?
2. How does Perl handle data types and variables?
3. Can you explain the difference between scalar, array, and hash variables in Perl?
4. How does Perl handle regular expressions and pattern matching?
5. How does Perl handle subroutines and functions?
6. Can you explain the difference between a for loop and a foreach loop in Perl?
7. How does Perl handle file input/output operations?
8. How does Perl handle exception handling and error handling?
9. Can you explain the difference between a package and a module in Perl?
10. How does Perl handle object-oriented programming and classes?
11. What is the difference between the use and require statements in Perl?
12. How do you use the Perl DBI module to connect to databases?
13. Can you give an example of using a Perl CGI script to process a web form?
14. How can you use Perl to interface with other programming languages?