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CGI Perl Interview Questions
Questions Answers Views Company eMail

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

Photon, Wipro,

9 29239

Name an instance where you used a CPAN module?

IBM, TCS,

3 8636

How do you open a file for writing?

6 8247

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

2 11241

When would you not use Perl for a project?

IBM,

1 8868

What is a hash?

Photon, Satyam, Wipro,

6 9739

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

Cap Gemini, DELL, Electronic Data, TCS,

10 37852

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

AppLabs,

6 12443

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 6433

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 5182

What is the difference between module and package?

EDS, IBM, Symantec,

4 25701

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

IBM,

4 5860

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

IBM,

2 4595

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

IBM,

3 7651

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

ABC, Symphony,

1 5452


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Un-Answered Questions { CGI Perl }

Where the command line arguments are stored and if you want to read command-line arguments with Perl, how would you do that?

223


What are stdin, stdout and stderr?

128


Can inheritance be used in perl? Explain with the help of an example.

132


What are prefix dereferencer?

118


What is perl? What is the basic command to print a string in perl?

112






Explain the functioning of conditional structures in perl.

118


How to find the length of an array in perl?

135


Can we load binary extension dynamically?

172


What is the difference between exec and system?

143


Explain lists in perl?

150


What is the closure in PERL?

157


what are the three groups involved in information sharing?

133


Write a script to reverse a string without using perl's built in functions?

144


What does cgi program store?

132


How many ways can we express string in Perl?

159