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Perl Test Assessment

Topics Covered

  • Unix Shell Command in PERL
  • Nested Arrays
  • Anonymous Subroutine in PERL
  • Arithmetic Expressions in PERL
  • Numeric Literals in PERL

Useful for hiring

  • PERL Developer
  • PHP PERL Developer
  • Senior Software Engineer - Perl Programming

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Question

Which of the following codes reads directory "/var/log" contents into a list?

Answer
    • @files = readdir "/var/log";
       

    • opendir(DIR, "/var/log");
      @files = readdir DIR;
      closedir DIR;
       

    • opendir(DIR, "/var/log");
      @files = listdir DIR;
      closedir DIR;
       

    • None of the mentioned
       

Question

Which of the following functions is used to open a directory handle in Perl?

Answer
    • readdir

    • opendir

    • getidir

    • dir

Question

What is the result of the variable $a in the following expression $a = !(9 % 2) || 3 && 4 % 1;?

Answer
    • 0

    • 1

    • 2

    • 3

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