CGI Perl Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

CGI Perl Interview Questions

Questions Answers Views Company eMail

how to connect cisco switch uisng perl script

ABC,

3787

Assuming both a local($var) and a my($var) exist, what's the difference between ${var} and ${"var"}?

930

If EXPR is an arbitrary expression, what is the difference between $Foo::{EXPR} and *{"Foo::".EXPR}?

935

Perl uses single or double quotes to surround a zero or more characters. Are the single(' ') or double quotes (" ") identical?

878

What does `$result = f() .. g()' really return?

1081

What does `new $cur->{LINK}' do? (Assume the current package has no new() function of its own.)

891

What happens to objects lost in "unreachable" memory, such as the object returned by Ob->new() in `{ my $ap; $ap = [ Ob->new(), $ap ]; }' ?

928

What's the difference between /^Foo/s and /^Foo/?

1102

When would `local $_' in a function ruin your day?

896

Why aren't Perl's patterns regular expressions?

1082

Why is it hard to call this function: sub y { "because" } ?

877

How do I replace every character in a file with a comma?

928

Which of these is a difference between Perl and C++ ?

966

How do I sort a hash by the hash value?

870

How do I sort a hash by the hash key?

873

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Un-Answered Questions { CGI Perl }

Define print() function in perl?

866

How to disable the mod_perl from apache_server as i have used perlfect search on the site and its pagination is not working and the remedy is to disable the mod_perl.

2188

What are the steps involved in configuring a server using cgi programming?

850

What is q (single q) operator in perl?

1009

Create a function that is only available inside the scope where it is defined ?

952

Explain cpan?

910

You want to print the contents of an entire array. How would you do that?

893

How to copy a file in perl?

914

How to know whether a key exists or not in perl?

917

Explain arrays in perl.

882

What interface used in PERL to connect to database? How do you connect to database in Perl?

943

Give an example of the -i and 0s option usage.

834

How to renaming a file in perl programming?

973

Differentiate use and require?

883

How do I do fill_in_the_blank for each file in a directory?

911

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