Perl Interview Questions and Answers

Perl Interview Questions and Answers

Top Perl Interview Questions and answers: Here, we highlight some common questions you might be asked during a job interview for Perl related positions. All the best for your interview Preparation.

What is Perl?

Difference between the variables in which chomp function work?

What are the features of Perl programming?

What are the benefits of Perl programming in using it in web based applications?

Is perl a case sensitive language?

What is a perl identifier?

Which functions in Perl allows you to include a module file or a module and what is the difference between them?

What are data types that perl supports?

What are scalar data types in perl?

What are Arrays in perl?

What are Hashes in perl?

How will you declare a variable in perl?

What is variable context in perl?

What is scalar context?

What is a list context?

What is boolean context?

What is void context?

What is interpolative context?

What is the difference between single quoted string and double quoted string?

What is V-Strings?

What is the purpose of _FILE_ literal?

What is the purpose of _LINE_ literal?

What is the purpose of _PACKAGE_ literal?

How will you access an element of a perl array?

What is the purpose of next statement?

What is the purpose of last statement?

What is the purpose of continue statement?

What is the purpose of redo statement?

What is the purpose of goto Label statement?

What is the purpose of goto Expr statement?

What is the purpose of goto &NAME statement?

How many types of operators are used in the Perl?

What is the purpose of ** operator?

What is the purpose of <=> operator?

What is the purpose of lt operator?

What is the purpose of gt operator?

What is the purpose of le operator?

What is the purpose of ge operator?

What is the purpose of eq operator?

What is the purpose of ne operator?

What is the purpose of cmp operator?

What is the purpose of **= operator?

What is the purpose of q{ } operator?

What is the purpose of qq{ } operator?

What is the purpose of qx{ } operator?

What is the purpose of . operator?

What is the purpose of x operator?

What is the purpose of .. operator?

What is the purpose of ++ operator?

What is the purpose of −− operator?

What is the purpose of −> operator?

What is the purpose of localtime() function?

What is the purpose of gmtime() function?

What is the difference between localtime() and gmtime() functions?

What is the purpose of time() function?

What is the purpose of strftime() function?

How will you define a subroutine in perl?

How will you call a subroutine in perl?

How will you access the parameters passed to a perl subroutine?

How will you get the count of parameters passed to a perl subroutine?

What is the purpose of my operator?

What is the default scope of perl variables?

What are lexical variables in perl?

What is purpose of local operator in perl?

What is dynamic scoping?

What is lexical scoping?

What are state variables in perl?

What is Subroutine Call Context?

What is a Perl references?

How will you create a reference for a variable?

How will you create a reference for a array?

How will you create a reference for a hash?

How will you create a reference for a subrouting?

What is dereferencing?

How will you dereference a reference?

What is circular reference?

How will you open a file in read-only mode?

How will you open a file in writing mode?

How will you open a file in writing mode without truncating it?

What is the purpose of close() function?

What is the purpose of getc() function?

What is the purpose of read() function?