File I/O

Contents

• File I/O: Basics
• O_RDONLY: Reading a File
• O_WRONLY: Writing A File (Which Must Exist)
• O_CREAT: Creating A File
• O_EXCL: Creating A File, But Failing If It Already Exists
• Exercise: Copy A File
• Exercise: Create File With Hole
• Exercise: Read Temperature From Onewire Sensor
• Duplicating (Whats Going On?)
• Miscellaneous