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 dereference a reference?

1043

What is the easiest way to download the contents of a URL with Perl?

1001

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

1011

What does length(%HASH) produce if you have thirty-seven random keys in a newly created hash?

1071

How do you you check the return code of a command in perl?

HCL,

1039

What is -> symbol in perl?

HCL,

1060

What is the difference between die and exit in perl?

HCL,

1057

Explain the difference between "my" and "local" variable scope declarations. ?

HCL,

1149

How the interpreter is used in Perl?

994

What is use of ‘->’ symbol?

1064

How can memory be managed in Perl?

1122

How can information be put into hashes?

1032

“Perl regular expressions match the longest string possible”. What is the name of this match?

990

Which functions in Perl allows you to include a module file or a module and what is the difference between them?

1095

Which statement has an initialization, condition check and increment expressions in its body? Write a syntax to use that statement.

1076

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Un-Answered Questions { CGI Perl }

Mention the difference between die and exit in Perl?

1175

What do you mean by context of a subroutine?

1030

Explain lists and ivalue?

1015

What can be done for efficient parameter passing in perl? Explain.

1085

How are parameters passed to subroutines in perl?

1002

What are some of the key features of objects in perl?

994

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

972

Explain use of ‘my’ keyword in perl?

985

I have one question regarding to eval function. I know eval function is use for error checking but I am not able to understand below line. eval \'exec perl -S $0 ${1+\"$@\"}\' if 0; $0 for script name $@ set if error occur

2098

How to check the status of airplane mode (enable/disable) in perl for Android mobile?

3137

what is the function that is used to identify how many characters are there in a string?

1011

Why to use perl scripting?

1070

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

1017

In CPAN module, name an instance you use.

1008

Distinguish my and local?

1038

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