Perl Interview Questions For Experienced 1. How do I generate a list of all .html files in a directory ? Ans: Here’s a snippet of code that just prints a listing of every file in the current directory that ends with the extension . html: #!/usr/bin/perl -w opendir(DIR, “.”); @files = grep(/\.html$/,readdir(DIR)); closedir(DIR); foreach $file […]
Perl Interview Questions & Answers Freshers 1. How to open and read data files with Perl? Ans: Data files are opened in Perl using the open () function. When you open a data file, all you have to do is specify (a) a file handle and (b) the name of the file you want to […]
Top 10 perl interview questions and answers 1.Why do you use Perl ? Ans: Perl is portable, flexible and easy to learn. Perl is a powerful free interpreter. 2. what is the difference between ‘use’ and ‘require’ function ? Ans: 1. the method is used only for modules (only to include .pm type file) 2. […]
Python Training Institutes Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to combine “remarkable power with very clear syntax”, and its standard library is large and comprehensive. Python supports multiple programming paradigms, primarily but not limited to object-oriented, imperative and, to a lesser extent, functional programming styles. It […]
CGI Perl Interview Question and Answers 1. What is CGI? ANS: The Common Gateway Interface, or CGI, is a standard for external gateway programs to interface with information servers such as HTTP servers. A plain HTML document that the Web daemon retrieves is static, which means it exists in a constant state: a text file […]
Perl Scripting Interview Questions and Answers 1. When do you use Perl for programming? ANS: PERL is a free open source language. PERL is used to develop web based applications even though libraries are available to program web server applications, database interfaces and networking components 2. What are the advantages of programming in Perl? ANS: […]
Perl Scripting Training Institutes Perl means the Practical Extraction Report Language. However, programmers also refer to is as the Pathologically Eclectic Rubbish Lister. Or even, Practically Everything Really Likable. Perl is a programming language which can be used for a large variety of tasks. A typical simple use of Perl would be for extracting information […]
Perl Interview Questions and Answers 1) Explain Perl ? A) PERL is Practical Extraction and Reporting language, which is a high level programming language written by Larry Wall. PERL is a free open source language. Generally PERL is used to develop web based applications even though libraries are available to program web server applications, database […]
Perl Basics for Beginners Perl was the first popular solution for writing CGI scripts and even large scale web applications, and is still very popular. It is extensively used by such large, highly scalable sites. Perl is a great first language for people with no programming experience. It is easy to install, and actually comes […]
What are Perl Modules and Step for Creating Modules Perl modules external link are a set of related functions in a library file. They are specifically designed to be reusable by other modules or programs. A Perl module is a discrete component of software for the Perl programming language. Technically, it is a particular set […]
Features of Perl programming Language Perl programming language is very helpful to develop dynamic websites, web applications and various kinds of software. It’s also used in graphics programming, database application, system administration, network programming as well as CGI programming on the web. Perl is a general-purpose, programming language. Perl was initially developed as a Unix […]