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Using the OO interface for files

Using the OO interface for files - Perl Tutorial

From the course: Perl 5 Essential Training

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Using the OO interface for files

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- [Voiceover] The IO::File module provides an object-oriented interface for the standard file and stream functions. This is the most common way to work with files in Perl. So here's a working copy of iofile.pl from chapter 12 of the exercise files. And you'll notice down here on line 6, I import the IO::File module, and we'll talk about modules a little bit more later on, but this is how you import a module. And with the two colons there, it indicates that the IO::File module is part of a set of modules that share the IO namespace. So down here in line 10, we create our file handle using the IO::File module. And in this case, our file handle is actually referenced to an object. So we have IO::File here with the dereferencing arrow, which is how you access methods and properties inside of a class or an object, and here we're using the class IO::File and the new method as a constructor, to construct this new object. And so the constructor returns the reference, and in the constructor…

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