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Thinking in C++ Vol 2 - Practical Programming
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4: Iostreams

You can do much more with the general I/O problem than just take standard I/O and turn it into a class.

Wouldn t it be nice if you could make all the usual receptacles standard I/O, files, and even blocks of memory look the same so that you need to remember only one interface? That s the idea behind iostreams. They re much easier, safer, and sometimes even more efficient than the assorted functions from the Standard C stdio library.

The iostreams classes are usually the first part of the C++ library that new C++ programmers learn to use. This chapter discusses how iostreams are an improvement over C s stdio facilities and explores the behavior of file and string streams in addition to the standard console streams.

Thinking in C++ Vol 2 - Practical Programming
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   Reproduced courtesy of Bruce Eckel, MindView, Inc. Design by Interspire