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 34697

Name an instance where you used a CPAN module?

IBM, TCS,

3 11070

How do you open a file for writing?

6 11871

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

2 12927

When would you not use Perl for a project?

IBM,

1 10380

What is a hash?

Photon, Satyam, Wipro,

6 13819

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

Cap Gemini, DELL, Electronic Data, TCS,

10 45295

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

AppLabs,

6 15627

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 9766

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 7578

What is the difference between module and package?

EDS, IBM, Symantec,

4 29649

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

IBM,

4 8712

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

IBM,

2 6483

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

IBM,

3 10218

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

ABC, Symphony,

1 6970

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Un-Answered Questions { CGI Perl }

What is a chop() function in perl?

953

How to deleting an existing file in perl programming?

852

What are stdin, stdout and stderr?

1014

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

917

What is 'commit' command in perl?

1038

You want to read command-line arguements with perl. How would you do that?

846

How many types of operators are used in the Perl?

977

Explain goto label, goto name, and goto expr?

881

How to prevent file truncation in perl?

939

Give an example of using the -n and -p option.

944

Difference between the variables in which chomp function work ?

1014

Explain grooving and shortening of arrays?

1030

How do you find the length of an array?

906

Which has the highest precedence, List or Terms? Explain?

851

How do you turn on the perl warnings?

859

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