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 35099

Name an instance where you used a CPAN module?

IBM, TCS,

3 11203

How do you open a file for writing?

6 12178

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

2 13055

When would you not use Perl for a project?

IBM,

1 10494

What is a hash?

Photon, Satyam, Wipro,

6 14092

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

Cap Gemini, DELL, Electronic Data, TCS,

10 45753

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

AppLabs,

6 15879

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 10033

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 7717

What is the difference between module and package?

EDS, IBM, Symantec,

4 29898

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

IBM,

4 8881

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

IBM,

2 6580

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

IBM,

3 10370

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

ABC, Symphony,

1 7067

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Un-Answered Questions { CGI Perl }

Write a cgi program to show the header part?

975

When does circular reference occur?

908

Does Perl have reference type?

934

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

952

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

1025

What is the difference between single (') and double (") quote in a string in perl?

1007

What is lexical variable in perl?

937

How to open a directory in perl?

1110

Explain chomp?

927

what is Perl one liner?

899

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

986

How many ways can we express string in Perl?

965

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

1132

Difference between the variables in which chomp function work ?

1068

What do you mean by context of a subroutine?

980

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