Hands-On WebAssembly for C++ Programmers - Handling Input and Output

The video tutorial explains the concept of file systems in POSIX environments, highlighting that everything is represented as a file. It introduces Emscripten's file system types, focusing on IDFS for persistent data storage in browsers. The tutorial demonstrates how to implement a save and restore function for a Pong game, ensuring scores are saved even after closing the browser. It covers reading and writing scores using file streams and emphasizes the importance of syncing data for persistence. Finally, it provides steps to compile and run the application with IDFS linked.

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