Learn Perl - 100 interview FAQ's

# What is CPAN ? What are the modules coming under this?
http://www.coolinte rview.com/ interview/ 6179

# what is a DataHash(). What does it mean? and for what purpose it is used??
http://www.coolinte rview.com/ interview/ 6180

# what is meant 'die' in a perl program?
http://www.coolinte rview.com/ interview/ 6181

# what's is the use of 'require' and what does this mean?
http://www.coolinte rview.com/ interview/ 6182

# what does this mean '$^0'? tell briefly plse..
http://www.coolinte rview.com/ interview/ 6183

# what is meant by 'chomp'? where do we require this ?
http://www.coolinte rview.com/ interview/ 6184

# what is meant by a 'pack' in perl?
http://www.coolinte rview.com/ interview/ 6185

# what does this symbol mean '->'
http://www.coolinte rview.com/ interview/ 6186

# what does 'qw(..)' mean? What's the use of it? when do we use it?
http://www.coolinte rview.com/ interview/ 6187

# what is a subroutine?
http://www.coolinte rview.com/ interview/ 6188

# what does the word '&myvariable' mean? what does the symbol '&' means? What's purpose of it?
http://www.coolinte rview.com/ interview/ 6189

# what does this mean : '$_' ?
http://www.coolinte rview.com/ interview/ 6190

# "perl regular expressions are greedy" what does this mean?
http://www.coolinte rview.com/ interview/ 6191

# Advantages of C over perl?
http://www.coolinte rview.com/ interview/ 6192

# what are the benefits of having global and local variables?
http://www.coolinte rview.com/ interview/ 6193

# what's your experience of interfacing perl to database?
http://www.coolinte rview.com/ interview/ 6194

# How do you connect to database in perl
http://www.coolinte rview.com/ interview/ 6195

# when do you not use PERL for a project?
http://www.coolinte rview.com/ interview/ 6196

# Name an instance you used in CPAN module?
http://www.coolinte rview.com/ interview/ 6197

# where do you go for perl help?
http://www.coolinte rview.com/ interview/ 6198

# Difference between for & foreach,exec & system?
http://www.coolinte rview.com/ interview/ 6199

# what's the purpose of -w.strict,-T?
http://www.coolinte rview.com/ interview/ 6200

# How to Connect with SqlServer from perl and how to display database table info?
http://www.coolinte rview.com/ interview/ 6201

# What's the significance of @ISA, @EXPORT @EXPORT_OK %EXPORT_TAGS list & hashes in a perl package? With example?
http://www.coolinte rview.com/ interview/ 6202

# I have a variable named $objref which is defined in main package. I want to make it as a Object of Class XYZ. How could I do it?
http://www.coolinte rview.com/ interview/ 6203

# What is difference between "Use" and "require". In which case should "Use" be used and not "Require"?
http://www.coolinte rview.com/ interview/ 6204

# Explain the difference between "my" and "local" variable scope declarations. ?
http://www.coolinte rview.com/ interview/ 6205

# Here is a Perl Problem that was posed to me. I was given one day time to solve. Unfortunately I did not know enough Perl to do it. And sadly, I did not get selected. However I wish to share this question with all. Please pose your answers or programs on this forum for the benefit of all friends. Submitted by ilangocal.
http://www.coolinte rview.com/ interview/ 6206

# What is hash in perl?
http://www.coolinte rview.com/ interview/ 10841