Quick Perl Interview Points


Some years ago when I was planning for job change one of my close friend Deepak told me if you want to crack Perl interview just revise these points. I called these as bullet points.

Just revising these points for my reference and for your help.

This is no particular order and written as mentioned by him over the phone🙂

  • Referencing – de-referencing of data types – scaler, hash, array
  • pack – unpack
  • string – split. while,
  • pop,push,shift,unshift
  • array – add variable..
  • hash print
  • data read from hash.
  • sorting – numeric or normal
  • file handing
  • DB connection.
  • path module.
  • use warning, use strict, dbi, cgi, dump
  • perl mysql connection
  • regular expression – all small example
  • adding module how to..
  • use
  • require
  • my or local diff.
  • package
  • why we use 1 in package.
  • little oops in perl
  • @ISA
  • command line in perl
  • /usr/bin/perl
  • CGI T
  • use dignostic
  • how to debug
  • perl -d
  • cpan to cgi.
  • pass by value , pass by reference
  • environment variable
  • data type of return value.
  • how to know that array has unique value
  • how to run system command from perl, how many ways. 4-5 ways. diff between each
  • spacial variable
  • comments in regular expression
  • what are the default error
  • what is slurp mode
  • file hander, opearion, third argument
  • how to escape
  • apache
  • sorting – numeric or normal
  • regular expression – all small example
  • adding module how to..

I will keep adding new point as and when I will get.
Comment your points.

Happy Perl.

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