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

CGI Perl Interview Questions

Questions Answers Views Company eMail

In CPAN module, name an instance you use.

951

what is the function of Return Value?

1056

what is CPAN?

969

Write syntax to use grep function?

956

Write syntax to add two arrays together in perl?

917

What does the’$_’ symbol mean?

997

How can you call a subroutine and identify a subroutine?

980

In Perl, what is grep function used for?

1068

In Perl, there are some arguments that are used frequently. What are that arguments and what do they mean?

899

what are the two ways to get private values inside a subroutine or block?

921

How can you use Perl warnings and what is the importance to use them?

957

What does -> symbol indicates in Perl?

969

Which feature of Perl provides code reusability ? Give any example of that feature.

1 2525

For a situation in programming, how can you determine that Perl is a suitable?

877

Explain what is STDIN, STDOUT and STDERR?

1027

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Un-Answered Questions { CGI Perl }

Which feature of perl provides code reusability?

980

how to create a flat file database as shown below s.no name age city phone 0 hema 22 Calcutta 4312542 1 hema 21 Bangalore 2344345 2 ganesh 25 delhi 2445454 3 kartik 45 pune 4312121 4 santosh 25 Hyderabad 2254231 5 kumar 25 mysore 2344567 6 gita 34 mangalore 6532123 7 gita 32 pune 2213456 Q1.print the details of the person who r from bangalore q2.Replace the city name managlore to pune q3.prints no of person having name gita and hema q4.print how many are of age 25.

2050

Explain 'grep' function.

970

How to convert arrays into a string in perl?

933

what are the steps involved in reading a cgi script on the server?

926

What are the options that can be used to avoid logic errors in perl?

948

Write a program to decode the data in the form using cgi programming

1034

How to change a directory in perl?

917

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

2031

What are scalar data and scalar variables?

1112

Explain the execution of a program in perl.

979

What package you use to create a windows services?

881

what is Polymorphism in Perl?

957

How to code in perl to implement the tail function in unix?

925

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

974

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