C++ for Lazy Programmers: Quick, Easy, and Fun C++ for Beginners

© Will Briggs 2019

W. BriggsC++ for Lazy Programmershttps://doi.org/10.1007/978-1-4842-5187-4_13

13. Standard I/O and File Operations

Will Briggs¹ 

(1)

Lynchburg, VA, USA

 

We’ve had too much fun. It’s time to get serious.

Or, maybe, it’s time to learn how to program when you aren't using a graphics and game library. One reason is, you usually aren’t. Another is that even if you were, you might want to access files (for loading a game level, say), and in C++ we handle files much as we do usual user interaction.

Standard I/O programs

Example 13-1 is a program that uses standard I/O. It may look familiar.

//Hello, world! program, for _C++ for Lazy Programmers_

//      -- from _C++ for Lazy Programmers_

//It prints "Hello, world!" on the screen.

//  Quite an ...