Perl Interview Preparation Questions Posted by Unknown on 1:33 AM

Are you a developer? Need to update your software development knowledge or need to prepare for a job interview? Check out this collection of Perl Questions

• Why do you use Perl?
• How do I set environment variables in Perl programs?
• Which of these is a difference between C++ and Perl?
• How to open and read data files with Perl
• How do I do fill_in_the_blank for each file in a directory?
• How do I generate a list of all .html files in a directory?
• What is Perl one-liner?

Perl Q/A Part 1 Posted by Unknown on 4:20 AM

Introduction
What arguments do you frequently use for the Perl interpreter and what do they mean?
Full Content

1. What does the command ‘use strict’ do and why should you use it?
2. What do the symbols $ @ and % mean when prefixing a variable?
3. What elements of the Perl language could you use to structure your code to allow for maximum re-use and maximum readability?
4. What are the characteristics of a project that is well suited to Perl?
5. Why do you program in Perl?
6. Explain the difference between my and local.
7. Explain the difference between use and require.
8. What’s your favorite module and why?
9. What is a hash?
10. Write a simple (common) regular expression to match an IP address, e-mail address, city-state-zipcode combination.
11. What purpose does each of the following serve: -w, strict, -T ?
12. What is the difference between for & foreach, exec & system?
13. Where do you go for Perl help?
14. Name an instance where you used a CPAN module.
15. How do you open a file for writing?
16. How would you replace a char in string and how do you store the number of replacements?
17. When would you not use Perl for a project?