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

CGI Perl Interview Questions

Questions Answers Views Company eMail

What is the difference between for & foreach, exec & system?

Photon, Wipro,

9 35414

Name an instance where you used a CPAN module?

IBM, TCS,

3 11323

How do you open a file for writing?

6 12430

How would you replace a char in string and how do you store the number of replacements?

2 13166

When would you not use Perl for a project?

IBM,

1 10600

What is a hash?

Photon, Satyam, Wipro,

6 14337

What is the difference between chop & chomp functions in perl?

Cap Gemini, DELL, Electronic Data, TCS,

10 46085

Write a script for 'count the no.of digits using regular expressions in perl..

AppLabs,

6 16076

i have a folder called 'error' and in that, i have error log files which are generated by the build, now i want to findout the string 'error' from each log file and that error has to be copied into the another file called 'analysis'. how do you do this in perl?

HP,

5 10249

Can any1 tell me 2 write the script using perl script 2 looking at a log file 2 see wheather the test has passed or not.

TCS,

3 7848

What is the difference between module and package?

EDS, IBM, Symantec,

4 30114

How can you create an object of a class in a package?

IBM,

4 9047

what is the procedure to define a user define module in your perl application?

IBM,

2 6680

How would you trap error occurred in the perl program/file?

IBM,

3 10518

what r the different type of function in perl ???

ABC, Symphony,

1 7128

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Un-Answered Questions { CGI Perl }

What are the advantages of c over Perl?

993

How to start perl in interactive mode?

1120

what is the main function of fork() in cgi programming?

1221

Explain about typeglobs?

997

Is perl a case sensitive language?

1163

What does init 5 and init 0 do?

1071

How we can navigate the xml documents?

1070

How interpreter is used in perl?

996

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

1071

Explain subroutine in perl?

1009

Mention what is cpan?

1082

Where do we require ‘chomp’ and what does it mean?

1057

How can arrays be tied?

966

What is the difference between perl list and perl array?

912

Explain goto label?

979

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