How Can I Get Single Character Input Across Different Operating Systems?

Cross-Platform Single Character Input

Seeking a method to retrieve a single character from user input across multiple operating systems? This cross-platform approach provides a solution.

The ActiveState Recipes site offers an effective implementation: "getch()-like unbuffered character reading from stdin on both Windows and Unix." It defines two classes, _GetchWindows and _GetchUnix, which handle the character retrieval process for different operating systems.

Utilizing the _GetchUnix class in POSIX-compliant systems, the code establishes a raw terminal input mode, reads a single character, and restores the terminal to its original state. For Windows, the _GetchWindows class employs the msvcrt.getch() function to retrieve a single character.

By instantiating the _Getch class and calling its callable object, you can access a cross-platform mechanism for reading a single character from user input without echoing it to the screen.

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